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<?php
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/**
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* PEAR, the PHP Extension and Application Repository
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*
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* PEAR class and PEAR_Error class
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category pear
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* @package PEAR
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* @author Sterling Hughes <sterling@php.net>
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* @author Stig Bakken <ssb@php.net>
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* @author Tomas V.V.Cox <cox@idecnet.com>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id$
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* @link http://pear.php.net/package/PEAR
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* @since File available since Release 0.1
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*/
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/**#@+
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* ERROR constants
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*/
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define('PEAR_ERROR_RETURN', 1);
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define('PEAR_ERROR_PRINT', 2);
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define('PEAR_ERROR_TRIGGER', 4);
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define('PEAR_ERROR_DIE', 8);
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define('PEAR_ERROR_CALLBACK', 16);
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/**
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* WARNING: obsolete
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* @deprecated
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*/
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define('PEAR_ERROR_EXCEPTION', 32);
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/**#@-*/
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define('PEAR_ZE2', (function_exists('version_compare') &&
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version_compare(zend_version(), "2-dev", "ge")));
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if (substr(PHP_OS, 0, 3) == 'WIN') {
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define('OS_WINDOWS', true);
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define('OS_UNIX', false);
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define('PEAR_OS', 'Windows');
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} else {
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define('OS_WINDOWS', false);
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define('OS_UNIX', true);
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define('PEAR_OS', 'Unix'); // blatant assumption
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}
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// instant backwards compatibility
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if (!defined('PATH_SEPARATOR')) {
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if (OS_WINDOWS) {
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define('PATH_SEPARATOR', ';');
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} else {
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define('PATH_SEPARATOR', ':');
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}
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}
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$GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_RETURN;
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$GLOBALS['_PEAR_default_error_options'] = E_USER_NOTICE;
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$GLOBALS['_PEAR_destructor_object_list'] = array();
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$GLOBALS['_PEAR_shutdown_funcs'] = array();
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$GLOBALS['_PEAR_error_handler_stack'] = array();
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@ini_set('track_errors', true);
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/**
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* Base class for other PEAR classes. Provides rudimentary
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* emulation of destructors.
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*
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* If you want a destructor in your class, inherit PEAR and make a
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* destructor method called _yourclassname (same name as the
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* constructor, but with a "_" prefix). Also, in your constructor you
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* have to call the PEAR constructor: $this->PEAR();.
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* The destructor method will be called without parameters. Note that
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* at in some SAPI implementations (such as Apache), any output during
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* the request shutdown (in which destructors are called) seems to be
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* discarded. If you need to get any debug information from your
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* destructor, use error_log(), syslog() or something similar.
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*
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* IMPORTANT! To use the emulated destructors you need to create the
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* objects by reference: $obj =& new PEAR_child;
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*
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* @category pear
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* @package PEAR
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* @author Stig Bakken <ssb@php.net>
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* @author Tomas V.V. Cox <cox@idecnet.com>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.4.6
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* @link http://pear.php.net/package/PEAR
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* @see PEAR_Error
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* @since Class available since PHP 4.0.2
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* @link http://pear.php.net/manual/en/core.pear.php#core.pear.pear
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*/
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class PEAR
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{
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// {{{ properties
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/**
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* Whether to enable internal debug messages.
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*
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* @var bool
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* @access private
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*/
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var $_debug = false;
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/**
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* Default error mode for this object.
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*
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* @var int
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* @access private
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*/
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var $_default_error_mode = null;
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/**
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* Default error options used for this object when error mode
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* is PEAR_ERROR_TRIGGER.
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*
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* @var int
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* @access private
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*/
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var $_default_error_options = null;
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/**
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* Default error handler (callback) for this object, if error mode is
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* PEAR_ERROR_CALLBACK.
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*
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* @var string
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* @access private
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*/
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var $_default_error_handler = '';
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/**
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* Which class to use for error objects.
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*
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* @var string
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* @access private
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*/
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var $_error_class = 'PEAR_Error';
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/**
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* An array of expected errors.
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*
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* @var array
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* @access private
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*/
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var $_expected_errors = array();
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// }}}
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// {{{ constructor
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/**
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* Constructor. Registers this object in
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* $_PEAR_destructor_object_list for destructor emulation if a
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* destructor object exists.
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*
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* @param string $error_class (optional) which class to use for
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* error objects, defaults to PEAR_Error.
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* @access public
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* @return void
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*/
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function PEAR($error_class = null)
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{
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$classname = strtolower(get_class($this));
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if ($this->_debug) {
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print "PEAR constructor called, class=$classname\n";
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}
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if ($error_class !== null) {
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$this->_error_class = $error_class;
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}
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while ($classname && strcasecmp($classname, "pear")) {
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$destructor = "_$classname";
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if (method_exists($this, $destructor)) {
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global $_PEAR_destructor_object_list;
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$_PEAR_destructor_object_list[] = &$this;
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if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
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register_shutdown_function("_PEAR_call_destructors");
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$GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
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}
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break;
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} else {
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$classname = get_parent_class($classname);
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}
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}
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}
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// }}}
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// {{{ destructor
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/**
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* Destructor (the emulated type of...). Does nothing right now,
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* but is included for forward compatibility, so subclass
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* destructors should always call it.
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*
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* See the note in the class desciption about output from
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* destructors.
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*
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* @access public
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* @return void
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*/
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function _PEAR() {
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if ($this->_debug) {
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printf("PEAR destructor called, class=%s\n", strtolower(get_class($this)));
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}
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}
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// }}}
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// {{{ getStaticProperty()
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/**
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* If you have a class that's mostly/entirely static, and you need static
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* properties, you can use this method to simulate them. Eg. in your method(s)
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* do this: $myVar = &PEAR::getStaticProperty('myclass', 'myVar');
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* You MUST use a reference, or they will not persist!
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*
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* @access public
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* @param string $class The calling classname, to prevent clashes
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* @param string $var The variable to retrieve.
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* @return mixed A reference to the variable. If not set it will be
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* auto initialised to NULL.
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*/
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function &getStaticProperty($class, $var)
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{
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static $properties;
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return $properties[$class][$var];
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}
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// }}}
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// {{{ registerShutdownFunc()
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239
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/**
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240
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* Use this function to register a shutdown method for static
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* classes.
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*
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243
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* @access public
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244
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* @param mixed $func The function name (or array of class/method) to call
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* @param mixed $args The arguments to pass to the function
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* @return void
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*/
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function registerShutdownFunc($func, $args = array())
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{
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$GLOBALS['_PEAR_shutdown_funcs'][] = array($func, $args);
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}
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252
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253
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// }}}
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254
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// {{{ isError()
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255
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256
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/**
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257
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* Tell whether a value is a PEAR error.
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258
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*
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259
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* @param mixed $data the value to test
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260
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* @param int $code if $data is an error object, return true
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* only if $code is a string and
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262
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* $obj->getMessage() == $code or
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* $code is an integer and $obj->getCode() == $code
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264
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* @access public
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265
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* @return bool true if parameter is an error
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266
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*/
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267
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function isError($data, $code = null)
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{
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269
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if (is_a($data, 'PEAR_Error')) {
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270
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if (is_null($code)) {
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return true;
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} elseif (is_string($code)) {
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return $data->getMessage() == $code;
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} else {
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275
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return $data->getCode() == $code;
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276
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}
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277
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}
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278
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return false;
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279
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}
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280
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281
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// }}}
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282
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// {{{ setErrorHandling()
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283
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284
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/**
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285
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* Sets how errors generated by this object should be handled.
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286
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* Can be invoked both in objects and statically. If called
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287
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* statically, setErrorHandling sets the default behaviour for all
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288
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* PEAR objects. If called in an object, setErrorHandling sets
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289
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* the default behaviour for that object.
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290
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*
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291
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* @param int $mode
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292
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* One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
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293
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* PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
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294
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* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION.
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295
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*
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296
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* @param mixed $options
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297
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* When $mode is PEAR_ERROR_TRIGGER, this is the error level (one
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298
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* of E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
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299
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*
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300
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* When $mode is PEAR_ERROR_CALLBACK, this parameter is expected
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301
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* to be the callback function or method. A callback
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302
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* function is a string with the name of the function, a
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303
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* callback method is an array of two elements: the element
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304
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* at index 0 is the object, and the element at index 1 is
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305
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* the name of the method to call in the object.
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306
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*
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307
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* When $mode is PEAR_ERROR_PRINT or PEAR_ERROR_DIE, this is
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308
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* a printf format string used when printing the error
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309
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* message.
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310
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*
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311
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* @access public
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312
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* @return void
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313
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* @see PEAR_ERROR_RETURN
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314
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* @see PEAR_ERROR_PRINT
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315
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* @see PEAR_ERROR_TRIGGER
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316
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* @see PEAR_ERROR_DIE
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317
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* @see PEAR_ERROR_CALLBACK
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318
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* @see PEAR_ERROR_EXCEPTION
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319
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*
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320
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* @since PHP 4.0.5
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321
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*/
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322
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323
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function setErrorHandling($mode = null, $options = null)
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324
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{
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325
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if (isset($this) && is_a($this, 'PEAR')) {
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326
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$setmode = &$this->_default_error_mode;
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327
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$setoptions = &$this->_default_error_options;
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328
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} else {
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329
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$setmode = &$GLOBALS['_PEAR_default_error_mode'];
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330
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$setoptions = &$GLOBALS['_PEAR_default_error_options'];
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331
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}
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332
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|
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333
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switch ($mode) {
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334
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case PEAR_ERROR_EXCEPTION:
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335
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case PEAR_ERROR_RETURN:
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336
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case PEAR_ERROR_PRINT:
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337
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case PEAR_ERROR_TRIGGER:
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338
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case PEAR_ERROR_DIE:
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339
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case null:
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340
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$setmode = $mode;
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341
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$setoptions = $options;
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342
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break;
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343
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|
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344
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case PEAR_ERROR_CALLBACK:
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345
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$setmode = $mode;
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346
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// class/object method callback
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347
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if (is_callable($options)) {
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348
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$setoptions = $options;
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349
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} else {
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350
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trigger_error("invalid error callback", E_USER_WARNING);
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351
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}
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352
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break;
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353
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354
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default:
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355
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trigger_error("invalid error mode", E_USER_WARNING);
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356
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break;
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357
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}
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358
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}
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359
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|
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360
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// }}}
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361
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// {{{ expectError()
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|
362
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|
|
363
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/**
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364
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* This method is used to tell which errors you expect to get.
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365
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* Expected errors are always returned with error mode
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366
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* PEAR_ERROR_RETURN. Expected error codes are stored in a stack,
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367
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* and this method pushes a new element onto it. The list of
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368
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* expected errors are in effect until they are popped off the
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369
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* stack with the popExpect() method.
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370
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*
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371
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* Note that this method can not be called statically
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372
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*
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|
373
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* @param mixed $code a single error code or an array of error codes to expect
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374
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*
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375
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* @return int the new depth of the "expected errors" stack
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376
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* @access public
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377
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*/
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378
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function expectError($code = '*')
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|
379
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{
|
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380
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if (is_array($code)) {
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381
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array_push($this->_expected_errors, $code);
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382
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} else {
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383
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array_push($this->_expected_errors, array($code));
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384
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}
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|
385
|
return sizeof($this->_expected_errors);
|
|
386
|
}
|
|
387
|
|
|
388
|
// }}}
|
|
389
|
// {{{ popExpect()
|
|
390
|
|
|
391
|
/**
|
|
392
|
* This method pops one element off the expected error codes
|
|
393
|
* stack.
|
|
394
|
*
|
|
395
|
* @return array the list of error codes that were popped
|
|
396
|
*/
|
|
397
|
function popExpect()
|
|
398
|
{
|
|
399
|
return array_pop($this->_expected_errors);
|
|
400
|
}
|
|
401
|
|
|
402
|
// }}}
|
|
403
|
// {{{ _checkDelExpect()
|
|
404
|
|
|
405
|
/**
|
|
406
|
* This method checks unsets an error code if available
|
|
407
|
*
|
|
408
|
* @param mixed error code
|
|
409
|
* @return bool true if the error code was unset, false otherwise
|
|
410
|
* @access private
|
|
411
|
* @since PHP 4.3.0
|
|
412
|
*/
|
|
413
|
function _checkDelExpect($error_code)
|
|
414
|
{
|
|
415
|
$deleted = false;
|
|
416
|
|
|
417
|
foreach ($this->_expected_errors AS $key => $error_array) {
|
|
418
|
if (in_array($error_code, $error_array)) {
|
|
419
|
unset($this->_expected_errors[$key][array_search($error_code, $error_array)]);
|
|
420
|
$deleted = true;
|
|
421
|
}
|
|
422
|
|
|
423
|
// clean up empty arrays
|
|
424
|
if (0 == count($this->_expected_errors[$key])) {
|
|
425
|
unset($this->_expected_errors[$key]);
|
|
426
|
}
|
|
427
|
}
|
|
428
|
return $deleted;
|
|
429
|
}
|
|
430
|
|
|
431
|
// }}}
|
|
432
|
// {{{ delExpect()
|
|
433
|
|
|
434
|
/**
|
|
435
|
* This method deletes all occurences of the specified element from
|
|
436
|
* the expected error codes stack.
|
|
437
|
*
|
|
438
|
* @param mixed $error_code error code that should be deleted
|
|
439
|
* @return mixed list of error codes that were deleted or error
|
|
440
|
* @access public
|
|
441
|
* @since PHP 4.3.0
|
|
442
|
*/
|
|
443
|
function delExpect($error_code)
|
|
444
|
{
|
|
445
|
$deleted = false;
|
|
446
|
|
|
447
|
if ((is_array($error_code) && (0 != count($error_code)))) {
|
|
448
|
// $error_code is a non-empty array here;
|
|
449
|
// we walk through it trying to unset all
|
|
450
|
// values
|
|
451
|
foreach($error_code as $key => $error) {
|
|
452
|
if ($this->_checkDelExpect($error)) {
|
|
453
|
$deleted = true;
|
|
454
|
} else {
|
|
455
|
$deleted = false;
|
|
456
|
}
|
|
457
|
}
|
|
458
|
return $deleted ? true : PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
|
|
459
|
} elseif (!empty($error_code)) {
|
|
460
|
// $error_code comes alone, trying to unset it
|
|
461
|
if ($this->_checkDelExpect($error_code)) {
|
|
462
|
return true;
|
|
463
|
} else {
|
|
464
|
return PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
|
|
465
|
}
|
|
466
|
} else {
|
|
467
|
// $error_code is empty
|
|
468
|
return PEAR::raiseError("The expected error you submitted is empty"); // IMPROVE ME
|
|
469
|
}
|
|
470
|
}
|
|
471
|
|
|
472
|
// }}}
|
|
473
|
// {{{ raiseError()
|
|
474
|
|
|
475
|
/**
|
|
476
|
* This method is a wrapper that returns an instance of the
|
|
477
|
* configured error class with this object's default error
|
|
478
|
* handling applied. If the $mode and $options parameters are not
|
|
479
|
* specified, the object's defaults are used.
|
|
480
|
*
|
|
481
|
* @param mixed $message a text error message or a PEAR error object
|
|
482
|
*
|
|
483
|
* @param int $code a numeric error code (it is up to your class
|
|
484
|
* to define these if you want to use codes)
|
|
485
|
*
|
|
486
|
* @param int $mode One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
|
|
487
|
* PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
|
|
488
|
* PEAR_ERROR_CALLBACK, PEAR_ERROR_EXCEPTION.
|
|
489
|
*
|
|
490
|
* @param mixed $options If $mode is PEAR_ERROR_TRIGGER, this parameter
|
|
491
|
* specifies the PHP-internal error level (one of
|
|
492
|
* E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
|
|
493
|
* If $mode is PEAR_ERROR_CALLBACK, this
|
|
494
|
* parameter specifies the callback function or
|
|
495
|
* method. In other error modes this parameter
|
|
496
|
* is ignored.
|
|
497
|
*
|
|
498
|
* @param string $userinfo If you need to pass along for example debug
|
|
499
|
* information, this parameter is meant for that.
|
|
500
|
*
|
|
501
|
* @param string $error_class The returned error object will be
|
|
502
|
* instantiated from this class, if specified.
|
|
503
|
*
|
|
504
|
* @param bool $skipmsg If true, raiseError will only pass error codes,
|
|
505
|
* the error message parameter will be dropped.
|
|
506
|
*
|
|
507
|
* @access public
|
|
508
|
* @return object a PEAR error object
|
|
509
|
* @see PEAR::setErrorHandling
|
|
510
|
* @since PHP 4.0.5
|
|
511
|
*/
|
|
512
|
function &raiseError($message = null,
|
|
513
|
$code = null,
|
|
514
|
$mode = null,
|
|
515
|
$options = null,
|
|
516
|
$userinfo = null,
|
|
517
|
$error_class = null,
|
|
518
|
$skipmsg = false)
|
|
519
|
{
|
|
520
|
// The error is yet a PEAR error object
|
|
521
|
if (is_object($message)) {
|
|
522
|
$code = $message->getCode();
|
|
523
|
$userinfo = $message->getUserInfo();
|
|
524
|
$error_class = $message->getType();
|
|
525
|
$message->error_message_prefix = '';
|
|
526
|
$message = $message->getMessage();
|
|
527
|
}
|
|
528
|
|
|
529
|
if (isset($this) && isset($this->_expected_errors) && sizeof($this->_expected_errors) > 0 && sizeof($exp = end($this->_expected_errors))) {
|
|
530
|
if ($exp[0] == "*" ||
|
|
531
|
(is_int(reset($exp)) && in_array($code, $exp)) ||
|
|
532
|
(is_string(reset($exp)) && in_array($message, $exp))) {
|
|
533
|
$mode = PEAR_ERROR_RETURN;
|
|
534
|
}
|
|
535
|
}
|
|
536
|
// No mode given, try global ones
|
|
537
|
if ($mode === null) {
|
|
538
|
// Class error handler
|
|
539
|
if (isset($this) && isset($this->_default_error_mode)) {
|
|
540
|
$mode = $this->_default_error_mode;
|
|
541
|
$options = $this->_default_error_options;
|
|
542
|
// Global error handler
|
|
543
|
} elseif (isset($GLOBALS['_PEAR_default_error_mode'])) {
|
|
544
|
$mode = $GLOBALS['_PEAR_default_error_mode'];
|
|
545
|
$options = $GLOBALS['_PEAR_default_error_options'];
|
|
546
|
}
|
|
547
|
}
|
|
548
|
|
|
549
|
if ($error_class !== null) {
|
|
550
|
$ec = $error_class;
|
|
551
|
} elseif (isset($this) && isset($this->_error_class)) {
|
|
552
|
$ec = $this->_error_class;
|
|
553
|
} else {
|
|
554
|
$ec = 'PEAR_Error';
|
|
555
|
}
|
|
556
|
if ($skipmsg) {
|
|
557
|
$a = &new $ec($code, $mode, $options, $userinfo);
|
|
558
|
return $a;
|
|
559
|
} else {
|
|
560
|
$a = &new $ec($message, $code, $mode, $options, $userinfo);
|
|
561
|
return $a;
|
|
562
|
}
|
|
563
|
}
|
|
564
|
|
|
565
|
// }}}
|
|
566
|
// {{{ throwError()
|
|
567
|
|
|
568
|
/**
|
|
569
|
* Simpler form of raiseError with fewer options. In most cases
|
|
570
|
* message, code and userinfo are enough.
|
|
571
|
*
|
|
572
|
* @param string $message
|
|
573
|
*
|
|
574
|
*/
|
|
575
|
function &throwError($message = null,
|
|
576
|
$code = null,
|
|
577
|
$userinfo = null)
|
|
578
|
{
|
|
579
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
580
|
$a = &$this->raiseError($message, $code, null, null, $userinfo);
|
|
581
|
return $a;
|
|
582
|
} else {
|
|
583
|
$a = &PEAR::raiseError($message, $code, null, null, $userinfo);
|
|
584
|
return $a;
|
|
585
|
}
|
|
586
|
}
|
|
587
|
|
|
588
|
// }}}
|
|
589
|
function staticPushErrorHandling($mode, $options = null)
|
|
590
|
{
|
|
591
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
592
|
$def_mode = &$GLOBALS['_PEAR_default_error_mode'];
|
|
593
|
$def_options = &$GLOBALS['_PEAR_default_error_options'];
|
|
594
|
$stack[] = array($def_mode, $def_options);
|
|
595
|
switch ($mode) {
|
|
596
|
case PEAR_ERROR_EXCEPTION:
|
|
597
|
case PEAR_ERROR_RETURN:
|
|
598
|
case PEAR_ERROR_PRINT:
|
|
599
|
case PEAR_ERROR_TRIGGER:
|
|
600
|
case PEAR_ERROR_DIE:
|
|
601
|
case null:
|
|
602
|
$def_mode = $mode;
|
|
603
|
$def_options = $options;
|
|
604
|
break;
|
|
605
|
|
|
606
|
case PEAR_ERROR_CALLBACK:
|
|
607
|
$def_mode = $mode;
|
|
608
|
// class/object method callback
|
|
609
|
if (is_callable($options)) {
|
|
610
|
$def_options = $options;
|
|
611
|
} else {
|
|
612
|
trigger_error("invalid error callback", E_USER_WARNING);
|
|
613
|
}
|
|
614
|
break;
|
|
615
|
|
|
616
|
default:
|
|
617
|
trigger_error("invalid error mode", E_USER_WARNING);
|
|
618
|
break;
|
|
619
|
}
|
|
620
|
$stack[] = array($mode, $options);
|
|
621
|
return true;
|
|
622
|
}
|
|
623
|
|
|
624
|
function staticPopErrorHandling()
|
|
625
|
{
|
|
626
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
627
|
$setmode = &$GLOBALS['_PEAR_default_error_mode'];
|
|
628
|
$setoptions = &$GLOBALS['_PEAR_default_error_options'];
|
|
629
|
array_pop($stack);
|
|
630
|
list($mode, $options) = $stack[sizeof($stack) - 1];
|
|
631
|
array_pop($stack);
|
|
632
|
switch ($mode) {
|
|
633
|
case PEAR_ERROR_EXCEPTION:
|
|
634
|
case PEAR_ERROR_RETURN:
|
|
635
|
case PEAR_ERROR_PRINT:
|
|
636
|
case PEAR_ERROR_TRIGGER:
|
|
637
|
case PEAR_ERROR_DIE:
|
|
638
|
case null:
|
|
639
|
$setmode = $mode;
|
|
640
|
$setoptions = $options;
|
|
641
|
break;
|
|
642
|
|
|
643
|
case PEAR_ERROR_CALLBACK:
|
|
644
|
$setmode = $mode;
|
|
645
|
// class/object method callback
|
|
646
|
if (is_callable($options)) {
|
|
647
|
$setoptions = $options;
|
|
648
|
} else {
|
|
649
|
trigger_error("invalid error callback", E_USER_WARNING);
|
|
650
|
}
|
|
651
|
break;
|
|
652
|
|
|
653
|
default:
|
|
654
|
trigger_error("invalid error mode", E_USER_WARNING);
|
|
655
|
break;
|
|
656
|
}
|
|
657
|
return true;
|
|
658
|
}
|
|
659
|
|
|
660
|
// {{{ pushErrorHandling()
|
|
661
|
|
|
662
|
/**
|
|
663
|
* Push a new error handler on top of the error handler options stack. With this
|
|
664
|
* you can easily override the actual error handler for some code and restore
|
|
665
|
* it later with popErrorHandling.
|
|
666
|
*
|
|
667
|
* @param mixed $mode (same as setErrorHandling)
|
|
668
|
* @param mixed $options (same as setErrorHandling)
|
|
669
|
*
|
|
670
|
* @return bool Always true
|
|
671
|
*
|
|
672
|
* @see PEAR::setErrorHandling
|
|
673
|
*/
|
|
674
|
function pushErrorHandling($mode, $options = null)
|
|
675
|
{
|
|
676
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
677
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
678
|
$def_mode = &$this->_default_error_mode;
|
|
679
|
$def_options = &$this->_default_error_options;
|
|
680
|
} else {
|
|
681
|
$def_mode = &$GLOBALS['_PEAR_default_error_mode'];
|
|
682
|
$def_options = &$GLOBALS['_PEAR_default_error_options'];
|
|
683
|
}
|
|
684
|
$stack[] = array($def_mode, $def_options);
|
|
685
|
|
|
686
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
687
|
$this->setErrorHandling($mode, $options);
|
|
688
|
} else {
|
|
689
|
PEAR::setErrorHandling($mode, $options);
|
|
690
|
}
|
|
691
|
$stack[] = array($mode, $options);
|
|
692
|
return true;
|
|
693
|
}
|
|
694
|
|
|
695
|
// }}}
|
|
696
|
// {{{ popErrorHandling()
|
|
697
|
|
|
698
|
/**
|
|
699
|
* Pop the last error handler used
|
|
700
|
*
|
|
701
|
* @return bool Always true
|
|
702
|
*
|
|
703
|
* @see PEAR::pushErrorHandling
|
|
704
|
*/
|
|
705
|
function popErrorHandling()
|
|
706
|
{
|
|
707
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
708
|
array_pop($stack);
|
|
709
|
list($mode, $options) = $stack[sizeof($stack) - 1];
|
|
710
|
array_pop($stack);
|
|
711
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
712
|
$this->setErrorHandling($mode, $options);
|
|
713
|
} else {
|
|
714
|
PEAR::setErrorHandling($mode, $options);
|
|
715
|
}
|
|
716
|
return true;
|
|
717
|
}
|
|
718
|
|
|
719
|
// }}}
|
|
720
|
// {{{ loadExtension()
|
|
721
|
|
|
722
|
/**
|
|
723
|
* OS independant PHP extension load. Remember to take care
|
|
724
|
* on the correct extension name for case sensitive OSes.
|
|
725
|
*
|
|
726
|
* @param string $ext The extension name
|
|
727
|
* @return bool Success or not on the dl() call
|
|
728
|
*/
|
|
729
|
function loadExtension($ext)
|
|
730
|
{
|
|
731
|
if (!extension_loaded($ext)) {
|
|
732
|
// if either returns true dl() will produce a FATAL error, stop that
|
|
733
|
if ((ini_get('enable_dl') != 1) || (ini_get('safe_mode') == 1)) {
|
|
734
|
return false;
|
|
735
|
}
|
|
736
|
if (OS_WINDOWS) {
|
|
737
|
$suffix = '.dll';
|
|
738
|
} elseif (PHP_OS == 'HP-UX') {
|
|
739
|
$suffix = '.sl';
|
|
740
|
} elseif (PHP_OS == 'AIX') {
|
|
741
|
$suffix = '.a';
|
|
742
|
} elseif (PHP_OS == 'OSX') {
|
|
743
|
$suffix = '.bundle';
|
|
744
|
} else {
|
|
745
|
$suffix = '.so';
|
|
746
|
}
|
|
747
|
return @dl('php_'.$ext.$suffix) || @dl($ext.$suffix);
|
|
748
|
}
|
|
749
|
return true;
|
|
750
|
}
|
|
751
|
|
|
752
|
// }}}
|
|
753
|
}
|
|
754
|
|
|
755
|
// {{{ _PEAR_call_destructors()
|
|
756
|
|
|
757
|
function _PEAR_call_destructors()
|
|
758
|
{
|
|
759
|
global $_PEAR_destructor_object_list;
|
|
760
|
if (is_array($_PEAR_destructor_object_list) &&
|
|
761
|
sizeof($_PEAR_destructor_object_list))
|
|
762
|
{
|
|
763
|
reset($_PEAR_destructor_object_list);
|
|
764
|
if (@PEAR::getStaticProperty('PEAR', 'destructlifo')) {
|
|
765
|
$_PEAR_destructor_object_list = array_reverse($_PEAR_destructor_object_list);
|
|
766
|
}
|
|
767
|
while (list($k, $objref) = each($_PEAR_destructor_object_list)) {
|
|
768
|
$classname = get_class($objref);
|
|
769
|
while ($classname) {
|
|
770
|
$destructor = "_$classname";
|
|
771
|
if (method_exists($objref, $destructor)) {
|
|
772
|
$objref->$destructor();
|
|
773
|
break;
|
|
774
|
} else {
|
|
775
|
$classname = get_parent_class($classname);
|
|
776
|
}
|
|
777
|
}
|
|
778
|
}
|
|
779
|
// Empty the object list to ensure that destructors are
|
|
780
|
// not called more than once.
|
|
781
|
$_PEAR_destructor_object_list = array();
|
|
782
|
}
|
|
783
|
|
|
784
|
// Now call the shutdown functions
|
|
785
|
if (is_array($GLOBALS['_PEAR_shutdown_funcs']) AND !empty($GLOBALS['_PEAR_shutdown_funcs'])) {
|
|
786
|
foreach ($GLOBALS['_PEAR_shutdown_funcs'] as $value) {
|
|
787
|
call_user_func_array($value[0], $value[1]);
|
|
788
|
}
|
|
789
|
}
|
|
790
|
}
|
|
791
|
|
|
792
|
// }}}
|
|
793
|
/**
|
|
794
|
* Standard PEAR error class for PHP 4
|
|
795
|
*
|
|
796
|
* This class is supserseded by {@link PEAR_Exception} in PHP 5
|
|
797
|
*
|
|
798
|
* @category pear
|
|
799
|
* @package PEAR
|
|
800
|
* @author Stig Bakken <ssb@php.net>
|
|
801
|
* @author Tomas V.V. Cox <cox@idecnet.com>
|
|
802
|
* @author Gregory Beaver <cellog@php.net>
|
|
803
|
* @copyright 1997-2006 The PHP Group
|
|
804
|
* @license http://www.php.net/license/3_0.txt PHP License 3.0
|
|
805
|
* @version Release: 1.4.6
|
|
806
|
* @link http://pear.php.net/manual/en/core.pear.pear-error.php
|
|
807
|
* @see PEAR::raiseError(), PEAR::throwError()
|
|
808
|
* @since Class available since PHP 4.0.2
|
|
809
|
*/
|
|
810
|
class PEAR_Error
|
|
811
|
{
|
|
812
|
// {{{ properties
|
|
813
|
|
|
814
|
var $error_message_prefix = '';
|
|
815
|
var $mode = PEAR_ERROR_RETURN;
|
|
816
|
var $level = E_USER_NOTICE;
|
|
817
|
var $code = -1;
|
|
818
|
var $message = '';
|
|
819
|
var $userinfo = '';
|
|
820
|
var $backtrace = null;
|
|
821
|
|
|
822
|
// }}}
|
|
823
|
// {{{ constructor
|
|
824
|
|
|
825
|
/**
|
|
826
|
* PEAR_Error constructor
|
|
827
|
*
|
|
828
|
* @param string $message message
|
|
829
|
*
|
|
830
|
* @param int $code (optional) error code
|
|
831
|
*
|
|
832
|
* @param int $mode (optional) error mode, one of: PEAR_ERROR_RETURN,
|
|
833
|
* PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER,
|
|
834
|
* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION
|
|
835
|
*
|
|
836
|
* @param mixed $options (optional) error level, _OR_ in the case of
|
|
837
|
* PEAR_ERROR_CALLBACK, the callback function or object/method
|
|
838
|
* tuple.
|
|
839
|
*
|
|
840
|
* @param string $userinfo (optional) additional user/debug info
|
|
841
|
*
|
|
842
|
* @access public
|
|
843
|
*
|
|
844
|
*/
|
|
845
|
function PEAR_Error($message = 'unknown error', $code = null,
|
|
846
|
$mode = null, $options = null, $userinfo = null)
|
|
847
|
{
|
|
848
|
if ($mode === null) {
|
|
849
|
$mode = PEAR_ERROR_RETURN;
|
|
850
|
}
|
|
851
|
$this->message = $message;
|
|
852
|
$this->code = $code;
|
|
853
|
$this->mode = $mode;
|
|
854
|
$this->userinfo = $userinfo;
|
|
855
|
if (function_exists("debug_backtrace")) {
|
|
856
|
if (@!PEAR::getStaticProperty('PEAR_Error', 'skiptrace')) {
|
|
857
|
$this->backtrace = debug_backtrace();
|
|
858
|
}
|
|
859
|
}
|
|
860
|
if ($mode & PEAR_ERROR_CALLBACK) {
|
|
861
|
$this->level = E_USER_NOTICE;
|
|
862
|
$this->callback = $options;
|
|
863
|
} else {
|
|
864
|
if ($options === null) {
|
|
865
|
$options = E_USER_NOTICE;
|
|
866
|
}
|
|
867
|
$this->level = $options;
|
|
868
|
$this->callback = null;
|
|
869
|
}
|
|
870
|
if ($this->mode & PEAR_ERROR_PRINT) {
|
|
871
|
if (is_null($options) || is_int($options)) {
|
|
872
|
$format = "%s";
|
|
873
|
} else {
|
|
874
|
$format = $options;
|
|
875
|
}
|
|
876
|
printf($format, $this->getMessage());
|
|
877
|
}
|
|
878
|
if ($this->mode & PEAR_ERROR_TRIGGER) {
|
|
879
|
trigger_error($this->getMessage(), $this->level);
|
|
880
|
}
|
|
881
|
if ($this->mode & PEAR_ERROR_DIE) {
|
|
882
|
$msg = $this->getMessage();
|
|
883
|
if (is_null($options) || is_int($options)) {
|
|
884
|
$format = "%s";
|
|
885
|
if (substr($msg, -1) != "\n") {
|
|
886
|
$msg .= "\n";
|
|
887
|
}
|
|
888
|
} else {
|
|
889
|
$format = $options;
|
|
890
|
}
|
|
891
|
die(sprintf($format, $msg));
|
|
892
|
}
|
|
893
|
if ($this->mode & PEAR_ERROR_CALLBACK) {
|
|
894
|
if (is_callable($this->callback)) {
|
|
895
|
call_user_func($this->callback, $this);
|
|
896
|
}
|
|
897
|
}
|
|
898
|
if ($this->mode & PEAR_ERROR_EXCEPTION) {
|
|
899
|
trigger_error("PEAR_ERROR_EXCEPTION is obsolete, use class PEAR_Exception for exceptions", E_USER_WARNING);
|
|
900
|
eval('$e = new Exception($this->message, $this->code);throw($e);');
|
|
901
|
}
|
|
902
|
}
|
|
903
|
|
|
904
|
// }}}
|
|
905
|
// {{{ getMode()
|
|
906
|
|
|
907
|
/**
|
|
908
|
* Get the error mode from an error object.
|
|
909
|
*
|
|
910
|
* @return int error mode
|
|
911
|
* @access public
|
|
912
|
*/
|
|
913
|
function getMode() {
|
|
914
|
return $this->mode;
|
|
915
|
}
|
|
916
|
|
|
917
|
// }}}
|
|
918
|
// {{{ getCallback()
|
|
919
|
|
|
920
|
/**
|
|
921
|
* Get the callback function/method from an error object.
|
|
922
|
*
|
|
923
|
* @return mixed callback function or object/method array
|
|
924
|
* @access public
|
|
925
|
*/
|
|
926
|
function getCallback() {
|
|
927
|
return $this->callback;
|
|
928
|
}
|
|
929
|
|
|
930
|
// }}}
|
|
931
|
// {{{ getMessage()
|
|
932
|
|
|
933
|
|
|
934
|
/**
|
|
935
|
* Get the error message from an error object.
|
|
936
|
*
|
|
937
|
* @return string full error message
|
|
938
|
* @access public
|
|
939
|
*/
|
|
940
|
function getMessage()
|
|
941
|
{
|
|
942
|
return ($this->error_message_prefix . $this->message);
|
|
943
|
}
|
|
944
|
|
|
945
|
|
|
946
|
// }}}
|
|
947
|
// {{{ getCode()
|
|
948
|
|
|
949
|
/**
|
|
950
|
* Get error code from an error object
|
|
951
|
*
|
|
952
|
* @return int error code
|
|
953
|
* @access public
|
|
954
|
*/
|
|
955
|
function getCode()
|
|
956
|
{
|
|
957
|
return $this->code;
|
|
958
|
}
|
|
959
|
|
|
960
|
// }}}
|
|
961
|
// {{{ getType()
|
|
962
|
|
|
963
|
/**
|
|
964
|
* Get the name of this error/exception.
|
|
965
|
*
|
|
966
|
* @return string error/exception name (type)
|
|
967
|
* @access public
|
|
968
|
*/
|
|
969
|
function getType()
|
|
970
|
{
|
|
971
|
return get_class($this);
|
|
972
|
}
|
|
973
|
|
|
974
|
// }}}
|
|
975
|
// {{{ getUserInfo()
|
|
976
|
|
|
977
|
/**
|
|
978
|
* Get additional user-supplied information.
|
|
979
|
*
|
|
980
|
* @return string user-supplied information
|
|
981
|
* @access public
|
|
982
|
*/
|
|
983
|
function getUserInfo()
|
|
984
|
{
|
|
985
|
return $this->userinfo;
|
|
986
|
}
|
|
987
|
|
|
988
|
// }}}
|
|
989
|
// {{{ getDebugInfo()
|
|
990
|
|
|
991
|
/**
|
|
992
|
* Get additional debug information supplied by the application.
|
|
993
|
*
|
|
994
|
* @return string debug information
|
|
995
|
* @access public
|
|
996
|
*/
|
|
997
|
function getDebugInfo()
|
|
998
|
{
|
|
999
|
return $this->getUserInfo();
|
|
1000
|
}
|
|
1001
|
|
|
1002
|
// }}}
|
|
1003
|
// {{{ getBacktrace()
|
|
1004
|
|
|
1005
|
/**
|
|
1006
|
* Get the call backtrace from where the error was generated.
|
|
1007
|
* Supported with PHP 4.3.0 or newer.
|
|
1008
|
*
|
|
1009
|
* @param int $frame (optional) what frame to fetch
|
|
1010
|
* @return array Backtrace, or NULL if not available.
|
|
1011
|
* @access public
|
|
1012
|
*/
|
|
1013
|
function getBacktrace($frame = null)
|
|
1014
|
{
|
|
1015
|
if (defined('PEAR_IGNORE_BACKTRACE')) {
|
|
1016
|
return null;
|
|
1017
|
}
|
|
1018
|
if ($frame === null) {
|
|
1019
|
return $this->backtrace;
|
|
1020
|
}
|
|
1021
|
return $this->backtrace[$frame];
|
|
1022
|
}
|
|
1023
|
|
|
1024
|
// }}}
|
|
1025
|
// {{{ addUserInfo()
|
|
1026
|
|
|
1027
|
function addUserInfo($info)
|
|
1028
|
{
|
|
1029
|
if (empty($this->userinfo)) {
|
|
1030
|
$this->userinfo = $info;
|
|
1031
|
} else {
|
|
1032
|
$this->userinfo .= " ** $info";
|
|
1033
|
}
|
|
1034
|
}
|
|
1035
|
|
|
1036
|
// }}}
|
|
1037
|
// {{{ toString()
|
|
1038
|
|
|
1039
|
/**
|
|
1040
|
* Make a string representation of this object.
|
|
1041
|
*
|
|
1042
|
* @return string a string with an object summary
|
|
1043
|
* @access public
|
|
1044
|
*/
|
|
1045
|
function toString() {
|
|
1046
|
$modes = array();
|
|
1047
|
$levels = array(E_USER_NOTICE => 'notice',
|
|
1048
|
E_USER_WARNING => 'warning',
|
|
1049
|
E_USER_ERROR => 'error');
|
|
1050
|
if ($this->mode & PEAR_ERROR_CALLBACK) {
|
|
1051
|
if (is_array($this->callback)) {
|
|
1052
|
$callback = (is_object($this->callback[0]) ?
|
|
1053
|
strtolower(get_class($this->callback[0])) :
|
|
1054
|
$this->callback[0]) . '::' .
|
|
1055
|
$this->callback[1];
|
|
1056
|
} else {
|
|
1057
|
$callback = $this->callback;
|
|
1058
|
}
|
|
1059
|
return sprintf('[%s: message="%s" code=%d mode=callback '.
|
|
1060
|
'callback=%s prefix="%s" info="%s"]',
|
|
1061
|
strtolower(get_class($this)), $this->message, $this->code,
|
|
1062
|
$callback, $this->error_message_prefix,
|
|
1063
|
$this->userinfo);
|
|
1064
|
}
|
|
1065
|
if ($this->mode & PEAR_ERROR_PRINT) {
|
|
1066
|
$modes[] = 'print';
|
|
1067
|
}
|
|
1068
|
if ($this->mode & PEAR_ERROR_TRIGGER) {
|
|
1069
|
$modes[] = 'trigger';
|
|
1070
|
}
|
|
1071
|
if ($this->mode & PEAR_ERROR_DIE) {
|
|
1072
|
$modes[] = 'die';
|
|
1073
|
}
|
|
1074
|
if ($this->mode & PEAR_ERROR_RETURN) {
|
|
1075
|
$modes[] = 'return';
|
|
1076
|
}
|
|
1077
|
return sprintf('[%s: message="%s" code=%d mode=%s level=%s '.
|
|
1078
|
'prefix="%s" info="%s"]',
|
|
1079
|
strtolower(get_class($this)), $this->message, $this->code,
|
|
1080
|
implode("|", $modes), $levels[$this->level],
|
|
1081
|
$this->error_message_prefix,
|
|
1082
|
$this->userinfo);
|
|
1083
|
}
|
|
1084
|
|
|
1085
|
// }}}
|
|
1086
|
}
|
|
1087
|
|
|
1088
|
/*
|
|
1089
|
* Local Variables:
|
|
1090
|
* mode: php
|
|
1091
|
* tab-width: 4
|
|
1092
|
* c-basic-offset: 4
|
|
1093
|
* End:
|
|
1094
|
*/
|
|
1095
|
?>
|