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devthejodevthejo
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‎ErrorHandler.php‎

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<?php
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/*
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* ErrorHandler - Error and Exception hanlder with syntax highlighting
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*
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* @package Debug
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* @version 1.0
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* @link http://github.com/surikat/Debug/
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* @author Jo Surikat <jo@surikat.pro>
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* @website http://wildsurikat.com
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*/
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namespace Wild\Debug;
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class ErrorHandler{
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private static $errorType;
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private $handle;
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private $registeredErrorHandler;
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private $debugLines;
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private $debugStyle;
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public $debugWrapInlineCSS;
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public $html_errors;
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public $loadFunctions;
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function __construct(
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$html_errors=false,
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$debugLines=5,
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$debugStyle='<style>code br{line-height:0.1em;}pre.error{display:block;position:relative;z-index:99999;}pre.error span:first-child{color:#d00;}</style>',
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$debugWrapInlineCSS='margin:4px;padding:4px;border:solid 1px #ccc;border-radius:5px;overflow-x:auto;background-color:#fff;',
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$loadFunctions=true
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){
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$this->html_errors = $html_errors;
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$this->debugLines = $debugLines;
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$this->debugStyle = $debugStyle;
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$this->debugWrapInlineCSS = $debugWrapInlineCSS;
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$this->loadFunctions = $loadFunctions;
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}
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function handle(){
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$this->handle = true;
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error_reporting(-1);
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ini_set('display_startup_errors',true);
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ini_set('display_errors','stdout');
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ini_set('html_errors',$this->html_errors);
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if(!$this->registeredErrorHandler){
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$this->registeredErrorHandler = true;
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set_error_handler([$this,'errorHandle']);
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register_shutdown_function([$this,'fatalErrorHandle']);
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set_exception_handler([$this,'catchException']);
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if($this->loadFunctions)
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include_once __DIR__.'/functions.inc.php';
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}
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}
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function catchException($e){
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$html = false;
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if(!headers_sent()){
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header("Content-Type: text/html; charset=utf-8");
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$html = true;
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}
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$msg = 'Exception: '.htmlentities($e->getMessage());
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if($html){
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echo $this->debugStyle;
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echo '<pre class="error" style="'.$this->debugWrapInlineCSS.'"><span>'.$msg."</span>\nStackTrace:\n";
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echo '#'.get_class($e);
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if(method_exists($e,'getData')){
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echo ':';
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var_dump($e->getData());
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}
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echo htmlentities($e->getTraceAsString());
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echo '</pre>';
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}
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else{
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echo strip_tags($msg);
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}
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return false;
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}
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function errorHandle($code, $message, $file, $line){
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if(!$this->handle||!ini_get('error_reporting'))
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return;
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$html = false;
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if(!headers_sent()){
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header("Content-Type: text/html; charset=utf-8");
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$html = true;
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}
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$msg = self::$errorType[$code]."\t$message\nFile\t$file\nLine\t$line";
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if(is_file($file)){
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if($html){
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echo $this->debugStyle;
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echo "<pre class=\"error\" style=\"".$this->debugWrapInlineCSS."\"><span>".$msg."</span>\nContext:\n";
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$f = explode("\n",str_replace(["\r\n","\r"],"\n",file_get_contents($file)));
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foreach($f as &$x)
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$x .= "\n";
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$c = count($f);
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$start = $line-$this->debugLines;
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$end = $line+$this->debugLines;
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if($start<0)
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$start = 0;
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if($end>($c-1))
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$end = $c-1;
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$e = '';
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for($i=$start;$i<=$end;$i++){
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$e .= $f[$i];
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}
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$e = highlight_string('<?php '.$e,true);
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$e = str_replace('<br />',"\n",$e);
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$e = substr($e,35);
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$x = explode("\n",$e);
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$e = '<code><span style="color: #000000">';
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$count = count($x);
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for($i=0;$i<$count;$i++){
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$y = $start+$i;
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$e .= '<span style="color:#'.($y==$line?'d00':'070').';">'.$y."\t</span>";
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$e .= $x[$i]."\n";
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}
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$p = strpos($e,'&lt;?php');
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$e = substr($e,0,$p).substr($e,$p+8);
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echo $e;
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echo '</pre>';
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}
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else{
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echo strip_tags($msg);
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}
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}
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//else{
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//echo "$message in $file on line $line";
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//}
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return true;
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}
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function fatalErrorHandle(){
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if(!$this->handle)
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return;
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$error = error_get_last();
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if($error['type']===E_ERROR){
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self::errorHandle(E_ERROR,$error['message'],$error['file'],$error['line']);
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}
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}
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static function initialize(){
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self::$errorType = [
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E_ERROR => 'error',
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E_WARNING => 'warning',
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E_PARSE => 'parsing error',
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E_NOTICE => 'notice',
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E_CORE_ERROR => 'core error',
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E_CORE_WARNING => 'core warning',
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E_COMPILE_ERROR => 'compile error',
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E_COMPILE_WARNING => 'compile warning',
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E_USER_ERROR => 'user error',
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E_USER_WARNING => 'user warning',
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E_USER_NOTICE => 'user notice',
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E_STRICT => 'strict standard error',
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E_RECOVERABLE_ERROR => 'recoverable error',
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E_DEPRECATED => 'deprecated error',
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E_USER_DEPRECATED => 'user deprecated error',
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];
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if(defined('E_STRICT'))
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self::$errorType[E_STRICT] = 'runtime notice';
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}
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static function errorType($code){
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return isset(self::$errorType[$code])?self::$errorType[$code]:null;
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}
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}
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ErrorHandler::initialize();

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