Add PEAR/Exception.php to HTTP/Request2 to evade hoster error
See https://board.s9y.org/viewtopic.php?f=10&t=23815&p=10453266
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bundled-libs/HTTP/Request2/PEAR/Exception.php
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456
bundled-libs/HTTP/Request2/PEAR/Exception.php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */
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/**
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* PEAR_Exception
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*
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* PHP version 5
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*
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* @category PEAR
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* @package PEAR_Exception
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* @author Tomas V. V. Cox <cox@idecnet.com>
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* @author Hans Lellelid <hans@velum.net>
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* @author Bertrand Mansion <bmansion@mamasam.com>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2009 The Authors
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @link http://pear.php.net/package/PEAR_Exception
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* @since File available since Release 1.0.0
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*/
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/**
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* Base PEAR_Exception Class
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*
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* 1) Features:
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*
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* - Nestable exceptions (throw new PEAR_Exception($msg, $prev_exception))
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* - Definable triggers, shot when exceptions occur
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* - Pretty and informative error messages
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* - Added more context info available (like class, method or cause)
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* - cause can be a PEAR_Exception or an array of mixed
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* PEAR_Exceptions/PEAR_ErrorStack warnings
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* - callbacks for specific exception classes and their children
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*
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* 2) Ideas:
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*
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* - Maybe a way to define a 'template' for the output
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*
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* 3) Inherited properties from PHP Exception Class:
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*
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* protected $message
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* protected $code
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* protected $line
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* protected $file
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* private $trace
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*
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* 4) Inherited methods from PHP Exception Class:
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*
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* __clone
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* __construct
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* getMessage
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* getCode
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* getFile
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* getLine
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* getTraceSafe
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* getTraceSafeAsString
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* __toString
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*
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* 5) Usage example
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*
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* <code>
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* require_once 'PEAR/Exception.php';
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*
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* class Test {
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* function foo() {
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* throw new PEAR_Exception('Error Message', ERROR_CODE);
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* }
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* }
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*
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* function myLogger($pear_exception) {
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* echo $pear_exception->getMessage();
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* }
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* // each time a exception is thrown the 'myLogger' will be called
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* // (its use is completely optional)
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* PEAR_Exception::addObserver('myLogger');
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* $test = new Test;
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* try {
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* $test->foo();
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* } catch (PEAR_Exception $e) {
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* print $e;
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* }
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* </code>
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*
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* @category PEAR
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* @package PEAR_Exception
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* @author Tomas V.V.Cox <cox@idecnet.com>
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* @author Hans Lellelid <hans@velum.net>
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* @author Bertrand Mansion <bmansion@mamasam.com>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2009 The Authors
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @version Release: @package_version@
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* @link http://pear.php.net/package/PEAR_Exception
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* @since Class available since Release 1.0.0
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*/
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class PEAR_Exception extends Exception
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{
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const OBSERVER_PRINT = -2;
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const OBSERVER_TRIGGER = -4;
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const OBSERVER_DIE = -8;
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protected $cause;
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private static $_observers = array();
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private static $_uniqueid = 0;
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private $_trace;
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/**
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* Supported signatures:
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* - PEAR_Exception(string $message);
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* - PEAR_Exception(string $message, int $code);
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* - PEAR_Exception(string $message, Exception $cause);
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* - PEAR_Exception(string $message, Exception $cause, int $code);
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* - PEAR_Exception(string $message, PEAR_Error $cause);
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* - PEAR_Exception(string $message, PEAR_Error $cause, int $code);
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* - PEAR_Exception(string $message, array $causes);
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* - PEAR_Exception(string $message, array $causes, int $code);
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*
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* @param string $message exception message
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* @param int|Exception|PEAR_Error|array|null $p2 exception cause
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* @param int|null $p3 exception code or null
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*/
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public function __construct($message, $p2 = null, $p3 = null)
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{
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if (is_int($p2)) {
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$code = $p2;
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$this->cause = null;
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} elseif (is_object($p2) || is_array($p2)) {
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// using is_object allows both Exception and PEAR_Error
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if (is_object($p2) && !($p2 instanceof Exception)) {
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if (!class_exists('PEAR_Error') || !($p2 instanceof PEAR_Error)) {
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throw new PEAR_Exception(
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'exception cause must be Exception, ' .
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'array, or PEAR_Error'
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);
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}
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}
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$code = $p3;
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if (is_array($p2) && isset($p2['message'])) {
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// fix potential problem of passing in a single warning
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$p2 = array($p2);
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}
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$this->cause = $p2;
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} else {
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$code = null;
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$this->cause = null;
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}
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parent::__construct($message, $code);
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$this->signal();
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}
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/**
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* Add an exception observer
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*
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* @param mixed $callback - A valid php callback, see php func is_callable()
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* - A PEAR_Exception::OBSERVER_* constant
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* - An array(const PEAR_Exception::OBSERVER_*,
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* mixed $options)
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* @param string $label The name of the observer. Use this if you want
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* to remove it later with removeObserver()
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*
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* @return void
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*/
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public static function addObserver($callback, $label = 'default')
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{
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self::$_observers[$label] = $callback;
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}
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/**
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* Remove an exception observer
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*
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* @param string $label Name of the observer
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*
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* @return void
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*/
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public static function removeObserver($label = 'default')
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{
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unset(self::$_observers[$label]);
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}
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/**
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* Generate a unique ID for an observer
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*
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* @return int unique identifier for an observer
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*/
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public static function getUniqueId()
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{
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return self::$_uniqueid++;
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}
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/**
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* Send a signal to all observers
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*
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* @return void
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*/
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protected function signal()
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{
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foreach (self::$_observers as $func) {
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if (is_callable($func)) {
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call_user_func($func, $this);
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continue;
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}
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settype($func, 'array');
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switch ($func[0]) {
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case self::OBSERVER_PRINT :
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$f = (isset($func[1])) ? $func[1] : '%s';
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printf($f, $this->getMessage());
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break;
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case self::OBSERVER_TRIGGER :
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$f = (isset($func[1])) ? $func[1] : E_USER_NOTICE;
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trigger_error($this->getMessage(), $f);
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break;
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case self::OBSERVER_DIE :
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$f = (isset($func[1])) ? $func[1] : '%s';
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die(printf($f, $this->getMessage()));
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break;
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default:
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trigger_error('invalid observer type', E_USER_WARNING);
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}
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}
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}
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/**
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* Return specific error information that can be used for more detailed
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* error messages or translation.
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*
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* This method may be overridden in child exception classes in order
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* to add functionality not present in PEAR_Exception and is a placeholder
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* to define API
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*
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* The returned array must be an associative array of parameter => value like so:
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* <pre>
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* array('name' => $name, 'context' => array(...))
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* </pre>
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*
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* @return array
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*/
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public function getErrorData()
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{
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return array();
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}
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/**
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* Returns the exception that caused this exception to be thrown
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*
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* @return Exception|array The context of the exception
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*/
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public function getCause()
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{
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return $this->cause;
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}
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/**
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* Function must be public to call on caused exceptions
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*
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* @param array $causes Array that gets filled.
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*
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* @return void
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*/
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public function getCauseMessage(&$causes)
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{
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$trace = $this->getTraceSafe();
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$cause = array('class' => get_class($this),
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'message' => $this->message,
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'file' => 'unknown',
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'line' => 'unknown');
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if (isset($trace[0])) {
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if (isset($trace[0]['file'])) {
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$cause['file'] = $trace[0]['file'];
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$cause['line'] = $trace[0]['line'];
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}
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}
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$causes[] = $cause;
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if ($this->cause instanceof PEAR_Exception) {
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$this->cause->getCauseMessage($causes);
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} elseif ($this->cause instanceof Exception) {
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$causes[] = array('class' => get_class($this->cause),
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'message' => $this->cause->getMessage(),
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'file' => $this->cause->getFile(),
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'line' => $this->cause->getLine());
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} elseif (class_exists('PEAR_Error') && $this->cause instanceof PEAR_Error) {
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$causes[] = array('class' => get_class($this->cause),
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'message' => $this->cause->getMessage(),
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'file' => 'unknown',
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'line' => 'unknown');
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} elseif (is_array($this->cause)) {
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foreach ($this->cause as $cause) {
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if ($cause instanceof PEAR_Exception) {
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$cause->getCauseMessage($causes);
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} elseif ($cause instanceof Exception) {
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$causes[] = array('class' => get_class($cause),
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'message' => $cause->getMessage(),
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'file' => $cause->getFile(),
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'line' => $cause->getLine());
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} elseif (class_exists('PEAR_Error')
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&& $cause instanceof PEAR_Error
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) {
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$causes[] = array('class' => get_class($cause),
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'message' => $cause->getMessage(),
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'file' => 'unknown',
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'line' => 'unknown');
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} elseif (is_array($cause) && isset($cause['message'])) {
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// PEAR_ErrorStack warning
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$causes[] = array(
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'class' => $cause['package'],
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'message' => $cause['message'],
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'file' => isset($cause['context']['file']) ?
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$cause['context']['file'] :
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'unknown',
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'line' => isset($cause['context']['line']) ?
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$cause['context']['line'] :
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'unknown',
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);
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}
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}
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}
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}
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/**
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* Build a backtrace and return it
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*
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* @return array Backtrace
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*/
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public function getTraceSafe()
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{
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if (!isset($this->_trace)) {
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$this->_trace = $this->getTrace();
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if (empty($this->_trace)) {
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$backtrace = debug_backtrace();
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$this->_trace = array($backtrace[count($backtrace)-1]);
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}
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}
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return $this->_trace;
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}
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/**
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* Gets the first class of the backtrace
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*
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* @return string Class name
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*/
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public function getErrorClass()
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{
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$trace = $this->getTraceSafe();
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return $trace[0]['class'];
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}
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/**
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* Gets the first method of the backtrace
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*
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* @return string Method/function name
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*/
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public function getErrorMethod()
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{
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$trace = $this->getTraceSafe();
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return $trace[0]['function'];
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}
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/**
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* Converts the exception to a string (HTML or plain text)
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*
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* @return string String representation
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*
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* @see toHtml()
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* @see toText()
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*/
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public function __toString()
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{
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if (isset($_SERVER['REQUEST_URI'])) {
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return $this->toHtml();
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}
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return $this->toText();
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}
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/**
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* Generates a HTML representation of the exception
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*
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* @return string HTML code
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*/
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public function toHtml()
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{
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$trace = $this->getTraceSafe();
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$causes = array();
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$this->getCauseMessage($causes);
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$html = '<table style="border: 1px" cellspacing="0">' . "\n";
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foreach ($causes as $i => $cause) {
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$html .= '<tr><td colspan="3" style="background: #ff9999">'
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. str_repeat('-', $i) . ' <b>' . $cause['class'] . '</b>: '
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. htmlspecialchars($cause['message'])
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. ' in <b>' . $cause['file'] . '</b> '
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. 'on line <b>' . $cause['line'] . '</b>'
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. "</td></tr>\n";
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}
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$html .= '<tr><td colspan="3" style="background-color: #aaaaaa; text-align: center; font-weight: bold;">Exception trace</td></tr>' . "\n"
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. '<tr><td style="text-align: center; background: #cccccc; width:20px; font-weight: bold;">#</td>'
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. '<td style="text-align: center; background: #cccccc; font-weight: bold;">Function</td>'
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. '<td style="text-align: center; background: #cccccc; font-weight: bold;">Location</td></tr>' . "\n";
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foreach ($trace as $k => $v) {
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$html .= '<tr><td style="text-align: center;">' . $k . '</td>'
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. '<td>';
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if (!empty($v['class'])) {
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$html .= $v['class'] . $v['type'];
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}
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$html .= $v['function'];
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$args = array();
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if (!empty($v['args'])) {
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foreach ($v['args'] as $arg) {
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if (is_null($arg)) {
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$args[] = 'null';
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} else if (is_array($arg)) {
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$args[] = 'Array';
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} else if (is_object($arg)) {
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$args[] = 'Object('.get_class($arg).')';
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} else if (is_bool($arg)) {
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$args[] = $arg ? 'true' : 'false';
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} else if (is_int($arg) || is_double($arg)) {
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$args[] = $arg;
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} else {
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$arg = (string)$arg;
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$str = htmlspecialchars(substr($arg, 0, 16));
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if (strlen($arg) > 16) {
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$str .= '…';
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}
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$args[] = "'" . $str . "'";
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}
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}
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}
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$html .= '(' . implode(', ', $args) . ')'
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. '</td>'
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. '<td>' . (isset($v['file']) ? $v['file'] : 'unknown')
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. ':' . (isset($v['line']) ? $v['line'] : 'unknown')
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. '</td></tr>' . "\n";
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}
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$html .= '<tr><td style="text-align: center;">' . ($k+1) . '</td>'
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. '<td>{main}</td>'
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. '<td> </td></tr>' . "\n"
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. '</table>';
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return $html;
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}
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/**
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* Generates text representation of the exception and stack trace
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*
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* @return string
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*/
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public function toText()
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{
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$causes = array();
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$this->getCauseMessage($causes);
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$causeMsg = '';
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foreach ($causes as $i => $cause) {
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$causeMsg .= str_repeat(' ', $i) . $cause['class'] . ': '
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. $cause['message'] . ' in ' . $cause['file']
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. ' on line ' . $cause['line'] . "\n";
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}
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return $causeMsg . $this->getTraceAsString();
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}
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}
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?>
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