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Editing: ErrorStack.php

<?php /** * Error Stack Implementation * * This is an incredibly simple implementation of a very complex error handling * facility. It contains the ability * to track multiple errors from multiple packages simultaneously. In addition, * it can track errors of many levels, save data along with the error, context * information such as the exact file, line number, class and function that * generated the error, and if necessary, it can raise a traditional PEAR_Error. * It has built-in support for PEAR::Log, to log errors as they occur * * Since version 0.2alpha, it is also possible to selectively ignore errors, * through the use of an error callback, see {@link pushCallback()} * * Since version 0.3alpha, it is possible to specify the exception class * returned from {@link push()} * * Since version PEAR1.3.2, ErrorStack no longer instantiates an exception class. This can * still be done quite handily in an error callback or by manipulating the returned array * @category Debugging * @package PEAR_ErrorStack * @author Greg Beaver <cellog@php.net> * @copyright 2004-2008 Greg Beaver * @license http://opensource.org/licenses/bsd-license.php New BSD License * @link http://pear.php.net/package/PEAR_ErrorStack */ /** * Singleton storage * * Format: * <pre> * array( * 'package1' => PEAR_ErrorStack object, * 'package2' => PEAR_ErrorStack object, * ... * ) * </pre> * @access private * @global array $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'] */ $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'] = array(); /** * Global error callback (default) * * This is only used if set to non-false. * is the default callback for * all packages, whereas specific packages may set a default callback * for all instances, regardless of whether they are a singleton or not. * * To exclude non-singletons, only set the local callback for the singleton * @see PEAR_ErrorStack::setDefaultCallback() * @access private * @global array $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_CALLBACK'] */ $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_CALLBACK'] = array( '*' => false, ); /** * Global Log object (default) * * This is only used if set to non-false. Use to set a default log object for * all stacks, regardless of instantiation order or location * @see PEAR_ErrorStack::setDefaultLogger() * @access private * @global array $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_LOGGER'] */ $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_LOGGER'] = false; /** * Global Overriding Callback * * This callback will override any error callbacks that specific loggers have set. * Use with EXTREME caution * @see PEAR_ErrorStack::staticPushCallback() * @access private * @global array $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_LOGGER'] */ $GLOBALS['_PEAR_ERRORSTACK_OVERRIDE_CALLBACK'] = array(); /**#@+ * One of four possible return values from the error Callback * @see PEAR_ErrorStack::_errorCallback() */ /** * If this is returned, then the error will be both pushed onto the stack * and logged. */ define('PEAR_ERRORSTACK_PUSHANDLOG', 1); /** * If this is returned, then the error will only be pushed onto the stack, * and not logged. */ define('PEAR_ERRORSTACK_PUSH', 2); /** * If this is returned, then the error will only be logged, but not pushed * onto the error stack. */ define('PEAR_ERRORSTACK_LOG', 3); /** * If this is returned, then the error is completely ignored. */ define('PEAR_ERRORSTACK_IGNORE', 4); /** * If this is returned, then the error is logged and die() is called. */ define('PEAR_ERRORSTACK_DIE', 5); /**#@-*/ /** * Error code for an attempt to instantiate a non-class as a PEAR_ErrorStack in * the singleton method. */ define('PEAR_ERRORSTACK_ERR_NONCLASS', 1); /** * Error code for an attempt to pass an object into {@link PEAR_ErrorStack::getMessage()} * that has no __toString() method */ define('PEAR_ERRORSTACK_ERR_OBJTOSTRING', 2); /** * Error Stack Implementation * * Usage: * <code> * // global error stack * $global_stack = &PEAR_ErrorStack::singleton('MyPackage'); * // local error stack * $local_stack = new PEAR_ErrorStack('MyPackage'); * </code> * @author Greg Beaver <cellog@php.net> * @version 1.10.11 * @package PEAR_ErrorStack * @category Debugging * @copyright 2004-2008 Greg Beaver * @license http://opensource.org/licenses/bsd-license.php New BSD License * @link http://pear.php.net/package/PEAR_ErrorStack */ class PEAR_ErrorStack { /** * Errors are stored in the order that they are pushed on the stack. * @since 0.4alpha Errors are no longer organized by error level. * This renders pop() nearly unusable, and levels could be more easily * handled in a callback anyway * @var array * @access private */ var $_errors = array(); /** * Storage of errors by level. * * Allows easy retrieval and deletion of only errors from a particular level * @since PEAR 1.4.0dev * @var array * @access private */ var $_errorsByLevel = array(); /** * Package name this error stack represents * @var string * @access protected */ var $_package; /** * Determines whether a PEAR_Error is thrown upon every error addition * @var boolean * @access private */ var $_compat = false; /** * If set to a valid callback, this will be used to generate the error * message from the error code, otherwise the message passed in will be * used * @var false|string|array * @access private */ var $_msgCallback = false; /** * If set to a valid callback, this will be used to generate the error * context for an error. For PHP-related errors, this will be a file * and line number as retrieved from debug_backtrace(), but can be * customized for other purposes. The error might actually be in a separate * configuration file, or in a database query. * @var false|string|array * @access protected */ var $_contextCallback = false; /** * If set to a valid callback, this will be called every time an error * is pushed onto the stack. The return value will be used to determine * whether to allow an error to be pushed or logged. * * The return value must be one an PEAR_ERRORSTACK_* constant * @see PEAR_ERRORSTACK_PUSHANDLOG, PEAR_ERRORSTACK_PUSH, PEAR_ERRORSTACK_LOG * @var false|string|array * @access protected */ var $_errorCallback = array(); /** * PEAR::Log object for logging errors * @var false|Log * @access protected */ var $_logger = false; /** * Error messages - designed to be overridden * @var array * @abstract */ var $_errorMsgs = array(); /** * Set up a new error stack * * @param string $package name of the package this error stack represents * @param callback $msgCallback callback used for error message generation * @param callback $contextCallback callback used for context generation, * defaults to {@link getFileLine()} * @param boolean $throwPEAR_Error */ function __construct($package, $msgCallback = false, $contextCallback = false, $throwPEAR_Error = false) { $this->_package = $package; $this->setMessageCallback($msgCallback); $this->setContextCallback($contextCallback); $this->_compat = $throwPEAR_Error; } /** * Return a single error stack for this package. * * Note that all parameters are ignored if the stack for package $package * has already been instantiated * @param string $package name of the package this error stack represents * @param callback $msgCallback callback used for error message generation * @param callback $contextCallback callback used for context generation, * defaults to {@link getFileLine()} * @param boolean $throwPEAR_Error * @param string $stackClass class to instantiate * * @return PEAR_ErrorStack */ public static function &singleton( $package, $msgCallback = false, $contextCallback = false, $throwPEAR_Error = false, $stackClass = 'PEAR_ErrorStack' ) { if (isset($GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package])) { return $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package]; } if (!class_exists($stackClass)) { if (function_exists('debug_backtrace')) { $trace = debug_backtrace(); } PEAR_ErrorStack::staticPush('PEAR_ErrorStack', PEAR_ERRORSTACK_ERR_NONCLASS, 'exception', array('stackclass' => $stackClass), 'stack class "%stackclass%" is not a valid class name (should be like PEAR_ErrorStack)', false, $trace); } $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package] = new $stackClass($package, $msgCallback, $contextCallback, $throwPEAR_Error); return $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package]; } /** * Internal error handler for PEAR_ErrorStack class * * Dies if the error is an exception (and would have died anyway) * @access private */ function _handleError($err) { if ($err['level'] == 'exception') { $message = $err['message']; if (isset($_SERVER['REQUEST_URI'])) { echo '<br />'; } else { echo "\n"; } var_dump($err['context']); die($message); } } /** * Set up a PEAR::Log object for all error stacks that don't have one * @param Log $log */ public static function setDefaultLogger(&$log) { if (is_object($log) && method_exists($log, 'log') ) { $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_LOGGER'] = &$log; } elseif (is_callable($log)) { $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_LOGGER'] = &$log; } } /** * Set up a PEAR::Log object for this error stack * @param Log $log */ function setLogger(&$log) { if (is_object($log) && method_exists($log, 'log') ) { $this->_logger = &$log; } elseif (is_callable($log)) { $this->_logger = &$log; } } /** * Set an error code => error message mapping callback * * This method sets the callback that can be used to generate error * messages for any instance * @param array|string Callback function/method */ function setMessageCallback($msgCallback) { if (!$msgCallback) { $this->_msgCallback = array(&$this, 'getErrorMessage'); } else { if (is_callable($msgCallback)) { $this->_msgCallback = $msgCallback; } } } /** * Get an error code => error message mapping callback * * This method returns the current callback that can be used to generate error * messages * @return array|string|false Callback function/method or false if none */ function getMessageCallback() { return $this->_msgCallback; } /** * Sets a default callback to be used by all error stacks * * This method sets the callback that can be used to generate error * messages for a singleton * @param array|string Callback function/method * @param string Package name, or false for all packages */ public static function setDefaultCallback($callback = false, $package = false) { if (!is_callable($callback)) { $callback = false; } $package = $package ? $package : '*'; $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_CALLBACK'][$package] = $callback; } /** * Set a callback that generates context information (location of error) for an error stack * * This method sets the callback that can be used to generate context * information for an error. Passing in NULL will disable context generation * and remove the expensive call to debug_backtrace() * @param array|string|null Callback function/method */ function setContextCallback($contextCallback) { if ($contextCallback === null) { return $this->_contextCallback = false; } if (!$contextCallback) { $this->_contextCallback = array(&$this, 'getFileLine'); } else { if (is_callable($contextCallback)) { $this->_contextCallback = $contextCallback; } } } /** * Set an error Callback * If set to a valid callback, this will be called every time an error * is pushed onto the stack. The return value will be used to determine * whether to allow an error to be pushed or logged. * * The return value must be one of the ERRORSTACK_* constants. * * This functionality can be used to emulate PEAR's pushErrorHandling, and * the PEAR_ERROR_CALLBACK mode, without affecting the integrity of * the error stack or logging * @see PEAR_ERRORSTACK_PUSHANDLOG, PEAR_ERRORSTACK_PUSH, PEAR_ERRORSTACK_LOG * @see popCallback() * @param string|array $cb */ function pushCallback($cb) { array_push($this->_errorCallback, $cb); } /** * Remove a callback from the error callback stack * @see pushCallback() * @return array|string|false */ function popCallback() { if (!count($this->_errorCallback)) { return false; } return array_pop($this->_errorCallback); } /** * Set a temporary overriding error callback for every package error stack * * Use this to temporarily disable all existing callbacks (can be used * to emulate the @ operator, for instance) * @see PEAR_ERRORSTACK_PUSHANDLOG, PEAR_ERRORSTACK_PUSH, PEAR_ERRORSTACK_LOG * @see staticPopCallback(), pushCallback() * @param string|array $cb */ public static function staticPushCallback($cb) { array_push($GLOBALS['_PEAR_ERRORSTACK_OVERRIDE_CALLBACK'], $cb); } /** * Remove a temporary overriding error callback * @see staticPushCallback() * @return array|string|false */ public static function staticPopCallback() { $ret = array_pop($GLOBALS['_PEAR_ERRORSTACK_OVERRIDE_CALLBACK']); if (!is_array($GLOBALS['_PEAR_ERRORSTACK_OVERRIDE_CALLBACK'])) { $GLOBALS['_PEAR_ERRORSTACK_OVERRIDE_CALLBACK'] = array(); } return $ret; } /** * Add an error to the stack * * If the message generator exists, it is called with 2 parameters. * - the current Error Stack object * - an array that is in the same format as an error. Available indices * are 'code', 'package', 'time', 'params', 'level', and 'context' * * Next, if the error should contain context information, this is * handled by the context grabbing method. * Finally, the error is pushed onto the proper error stack * @param int $code Package-specific error code * @param string $level Error level. This is NOT spell-checked * @param array $params associative array of error parameters * @param string $msg Error message, or a portion of it if the message * is to be generated * @param array $repackage If this error re-packages an error pushed by * another package, place the array returned from * {@link pop()} in this parameter * @param array $backtrace Protected parameter: use this to pass in the * {@link debug_backtrace()} that should be used * to find error context * @return PEAR_Error|array if compatibility mode is on, a PEAR_Error is also * thrown. If a PEAR_Error is returned, the userinfo * property is set to the following array: * * <code> * array( * 'code' => $code, * 'params' => $params, * 'package' => $this->_package, * 'level' => $level, * 'time' => time(), * 'context' => $context, * 'message' => $msg, * //['repackage' => $err] repackaged error array/Exception class * ); * </code> * * Normally, the previous array is returned. */ function push($code, $level = 'error', $params = array(), $msg = false, $repackage = false, $backtrace = false) { $context = false; // grab error context if ($this->_contextCallback) { if (!$backtrace) { $backtrace = debug_backtrace(); } $context = call_user_func($this->_contextCallback, $code, $params, $backtrace); } // save error $time = explode(' ', microtime()); $time = $time[1] + $time[0]; $err = array( 'code' => $code, 'params' => $params, 'package' => $this->_package, 'level' => $level, 'time' => $time, 'context' => $context, 'message' => $msg, ); if ($repackage) { $err['repackage'] = $repackage; } // set up the error message, if necessary if ($this->_msgCallback) { $msg = call_user_func_array($this->_msgCallback, array(&$this, $err)); $err['message'] = $msg; } $push = $log = true; $die = false; // try the overriding callback first $callback = $this->staticPopCallback(); if ($callback) { $this->staticPushCallback($callback); } if (!is_callable($callback)) { // try the local callback next $callback = $this->popCallback(); if (is_callable($callback)) { $this->pushCallback($callback); } else { // try the default callback $callback = isset($GLOBALS['_PEAR_ERRORSTACK_DEFAULT_CALLBACK'][$this->_package]) ? $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_CALLBACK'][$this->_package] : $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_CALLBACK']['*']; } } if (is_callable($callback)) { switch(call_user_func($callback, $err)){ case PEAR_ERRORSTACK_IGNORE: return $err; break; case PEAR_ERRORSTACK_PUSH: $log = false; break; case PEAR_ERRORSTACK_LOG: $push = false; break; case PEAR_ERRORSTACK_DIE: $die = true; break; // anything else returned has the same effect as pushandlog } } if ($push) { array_unshift($this->_errors, $err); if (!isset($this->_errorsByLevel[$err['level']])) { $this->_errorsByLevel[$err['level']] = array(); } $this->_errorsByLevel[$err['level']][] = &$this->_errors[0]; } if ($log) { if ($this->_logger || $GLOBALS['_PEAR_ERRORSTACK_DEFAULT_LOGGER']) { $this->_log($err); } } if ($die) { die(); } if ($this->_compat && $push) { return $this->raiseError($msg, $code, null, null, $err); } return $err; } /** * Static version of {@link push()} * * @param string $package Package name this error belongs to * @param int $code Package-specific error code * @param string $level Error level. This is NOT spell-checked * @param array $params associative array of error parameters * @param string $msg Error message, or a portion of it if the message * is to be generated * @param array $repackage If this error re-packages an error pushed by * another package, place the array returned from * {@link pop()} in this parameter * @param array $backtrace Protected parameter: use this to pass in the * {@link debug_backtrace()} that should be used * to find error context * @return PEAR_Error|array if compatibility mode is on, a PEAR_Error is also * thrown. see docs for {@link push()} */ public static function staticPush( $package, $code, $level = 'error', $params = array(), $msg = false, $repackage = false, $backtrace = false ) { $s = &PEAR_ErrorStack::singleton($package); if ($s->_contextCallback) { if (!$backtrace) { if (function_exists('debug_backtrace')) { $backtrace = debug_backtrace(); } } } return $s->push($code, $level, $params, $msg, $repackage, $backtrace); } /** * Log an error using PEAR::Log * @param array $err Error array * @param array $levels Error level => Log constant map * @access protected */ function _log($err) { if ($this->_logger) { $logger = &$this->_logger; } else { $logger = &$GLOBALS['_PEAR_ERRORSTACK_DEFAULT_LOGGER']; } if (is_a($logger, 'Log')) { $levels = array( 'exception' => PEAR_LOG_CRIT, 'alert' => PEAR_LOG_ALERT, 'critical' => PEAR_LOG_CRIT, 'error' => PEAR_LOG_ERR, 'warning' => PEAR_LOG_WARNING, 'notice' => PEAR_LOG_NOTICE, 'info' => PEAR_LOG_INFO, 'debug' => PEAR_LOG_DEBUG); if (isset($levels[$err['level']])) { $level = $levels[$err['level']]; } else { $level = PEAR_LOG_INFO; } $logger->log($err['message'], $level, $err); } else { // support non-standard logs call_user_func($logger, $err); } } /** * Pop an error off of the error stack * * @return false|array * @since 0.4alpha it is no longer possible to specify a specific error * level to return - the last error pushed will be returned, instead */ function pop() { $err = @array_shift($this->_errors); if (!is_null($err)) { @array_pop($this->_errorsByLevel[$err['level']]); if (!count($this->_errorsByLevel[$err['level']])) { unset($this->_errorsByLevel[$err['level']]); } } return $err; } /** * Pop an error off of the error stack, static method * * @param string package name * @return boolean * @since PEAR1.5.0a1 */ static function staticPop($package) { if ($package) { if (!isset($GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package])) { return false; } return $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package]->pop(); } } /** * Determine whether there are any errors on the stack * @param string|array Level name. Use to determine if any errors * of level (string), or levels (array) have been pushed * @return boolean */ function hasErrors($level = false) { if ($level) { return isset($this->_errorsByLevel[$level]); } return count($this->_errors); } /** * Retrieve all errors since last purge * * @param boolean set in order to empty the error stack * @param string level name, to return only errors of a particular severity * @return array */ function getErrors($purge = false, $level = false) { if (!$purge) { if ($level) { if (!isset($this->_errorsByLevel[$level])) { return array(); } else { return $this->_errorsByLevel[$level]; } } else { return $this->_errors; } } if ($level) { $ret = $this->_errorsByLevel[$level]; foreach ($this->_errorsByLevel[$level] as $i => $unused) { // entries are references to the $_errors array $this->_errorsByLevel[$level][$i] = false; } // array_filter removes all entries === false $this->_errors = array_filter($this->_errors); unset($this->_errorsByLevel[$level]); return $ret; } $ret = $this->_errors; $this->_errors = array(); $this->_errorsByLevel = array(); return $ret; } /** * Determine whether there are any errors on a single error stack, or on any error stack * * The optional parameter can be used to test the existence of any errors without the need of * singleton instantiation * @param string|false Package name to check for errors * @param string Level name to check for a particular severity * @return boolean */ public static function staticHasErrors($package = false, $level = false) { if ($package) { if (!isset($GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package])) { return false; } return $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package]->hasErrors($level); } foreach ($GLOBALS['_PEAR_ERRORSTACK_SINGLETON'] as $package => $obj) { if ($obj->hasErrors($level)) { return true; } } return false; } /** * Get a list of all errors since last purge, organized by package * @since PEAR 1.4.0dev BC break! $level is now in the place $merge used to be * @param boolean $purge Set to purge the error stack of existing errors * @param string $level Set to a level name in order to retrieve only errors of a particular level * @param boolean $merge Set to return a flat array, not organized by package * @param array $sortfunc Function used to sort a merged array - default * sorts by time, and should be good for most cases * * @return array */ public static function staticGetErrors( $purge = false, $level = false, $merge = false, $sortfunc = array('PEAR_ErrorStack', '_sortErrors') ) { $ret = array(); if (!is_callable($sortfunc)) { $sortfunc = array('PEAR_ErrorStack', '_sortErrors'); } foreach ($GLOBALS['_PEAR_ERRORSTACK_SINGLETON'] as $package => $obj) { $test = $GLOBALS['_PEAR_ERRORSTACK_SINGLETON'][$package]->getErrors($purge, $level); if ($test) { if ($merge) { $ret = array_merge($ret, $test); } else { $ret[$package] = $test; } } } if ($merge) { usort($ret, $sortfunc); } return $ret; } /** * Error sorting function, sorts by time * @access private */ public static function _sortErrors($a, $b) { if ($a['time'] == $b['time']) { return 0; } if ($a['time'] < $b['time']) { return 1; } return -1; } /** * Standard file/line number/function/class context callback * * This function uses a backtrace generated from {@link debug_backtrace()} * and so will not work at all in PHP < 4.3.0. The frame should * reference the frame that contains the source of the error. * @return array|false either array('file' => file, 'line' => line, * 'function' => function name, 'class' => class name) or * if this doesn't work, then false * @param unused * @param integer backtrace frame. * @param array Results of debug_backtrace() */ public static function getFileLine($code, $params, $backtrace = null) { if ($backtrace === null) { return false; } $frame = 0; $functionframe = 1; if (!isset($backtrace[1])) { $functionframe = 0; } else { while (isset($backtrace[$functionframe]['function']) && $backtrace[$functionframe]['function'] == 'eval' && isset($backtrace[$functionframe + 1])) { $functionframe++; } } if (isset($backtrace[$frame])) { if (!isset($backtrace[$frame]['file'])) { $frame++; } $funcbacktrace = $backtrace[$functionframe]; $filebacktrace = $backtrace[$frame]; $ret = array('file' => $filebacktrace['file'], 'line' => $filebacktrace['line']); // rearrange for eval'd code or create function errors if (strpos($filebacktrace['file'], '(') && preg_match(';^(.*?)\((\d+)\) : (.*?)\\z;', $filebacktrace['file'], $matches)) { $ret['file'] = $matches[1]; $ret['line'] = $matches[2] + 0; } if (isset($funcbacktrace['function']) && isset($backtrace[1])) { if ($funcbacktrace['function'] != 'eval') { if ($funcbacktrace['function'] == '__lambda_func') { $ret['function'] = 'create_function() code'; } else { $ret['function'] = $funcbacktrace['function']; } } } if (isset($funcbacktrace['class']) && isset($backtrace[1])) { $ret['class'] = $funcbacktrace['class']; } return $ret; } return false; } /** * Standard error message generation callback * * This method may also be called by a custom error message generator * to fill in template values from the params array, simply * set the third parameter to the error message template string to use * * The special variable %__msg% is reserved: use it only to specify * where a message passed in by the user should be placed in the template, * like so: * * Error message: %msg% - internal error * * If the message passed like so: * * <code> * $stack->push(ERROR_CODE, 'error', array(), 'server error 500'); * </code> * * The returned error message will be "Error message: server error 500 - * internal error" * @param PEAR_ErrorStack * @param array * @param string|false Pre-generated error message template * * @return string */ public static function getErrorMessage(&$stack, $err, $template = false) { if ($template) { $mainmsg = $template; } else { $mainmsg = $stack->getErrorMessageTemplate($err['code']); } $mainmsg = str_replace('%__msg%', $err['message'], $mainmsg); if (is_array($err['params']) && count($err['params'])) { foreach ($err['params'] as $name => $val) { if (is_array($val)) { // @ is needed in case $val is a multi-dimensional array $val = @implode(', ', $val); } if (is_object($val)) { if (method_exists($val, '__toString')) { $val = $val->__toString(); } else { PEAR_ErrorStack::staticPush('PEAR_ErrorStack', PEAR_ERRORSTACK_ERR_OBJTOSTRING, 'warning', array('obj' => get_class($val)), 'object %obj% passed into getErrorMessage, but has no __toString() method'); $val = 'Object'; } } $mainmsg = str_replace('%' . $name . '%', $val, $mainmsg); } } return $mainmsg; } /** * Standard Error Message Template generator from code * @return string */ function getErrorMessageTemplate($code) { if (!isset($this->_errorMsgs[$code])) { return '%__msg%'; } return $this->_errorMsgs[$code]; } /** * Set the Error Message Template array * * The array format must be: * <pre> * array(error code => 'message template',...) * </pre> * * Error message parameters passed into {@link push()} will be used as input * for the error message. If the template is 'message %foo% was %bar%', and the * parameters are array('foo' => 'one', 'bar' => 'six'), the error message returned will * be 'message one was six' * @return string */ function setErrorMessageTemplate($template) { $this->_errorMsgs = $template; } /** * emulate PEAR::raiseError() * * @return PEAR_Error */ function raiseError() { require_once 'PEAR.php'; $args = func_get_args(); return call_user_func_array(array('PEAR', 'raiseError'), $args); } } $stack = &PEAR_ErrorStack::singleton('PEAR_ErrorStack'); $stack->pushCallback(array('PEAR_ErrorStack', '_handleError')); ?>
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