1 | <?php
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2 |
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3 | class ErrorHandler
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4 | {
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5 | public string $Encoding;
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6 | public bool $ShowError;
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7 | public int $UserErrors;
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8 | public $OnError;
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9 |
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10 | function __construct()
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11 | {
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12 | $this->Encoding = 'utf-8';
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13 | $this->ShowError = false;
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14 | $this->UserErrors = E_ALL; //E_ERROR | E_WARNING | E_PARSE;
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15 | $this->OnError = array(array($this, 'ShowDefaultError'));
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16 | }
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17 |
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18 | function Start(): void
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19 | {
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20 | set_error_handler(array($this, 'ErrorHandler'));
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21 | set_exception_handler(array($this, 'ExceptionHandler'));
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22 | }
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23 |
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24 | function Stop(): void
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25 | {
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26 | restore_error_handler();
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27 | restore_exception_handler();
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28 | }
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29 |
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30 | function ErrorHandler(int $Number, string $Message, string $FileName, int $LineNumber, array $Variables = array()): bool
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31 | {
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32 | $ErrorType = array
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33 | (
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34 | 1 => 'Error',
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35 | 2 => 'Warning',
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36 | 4 => 'Parsing Error',
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37 | 8 => 'Notice',
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38 | 16 => 'Core Error',
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39 | 32 => 'Core Warning',
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40 | 64 => 'Compile Error',
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41 | 128 => 'Compile Warning',
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42 | 256 => 'User Error',
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43 | 512 => 'User Warning',
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44 | 1024 => 'User Notice'
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45 | );
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46 |
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47 | if (($this->UserErrors & $Number))
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48 | {
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49 | // Error was suppressed with the @-operator
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50 | if (0 === error_reporting())
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51 | {
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52 | return false;
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53 | }
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54 | $Backtrace = debug_backtrace();
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55 | $Backtrace[0]['function'] = $Message;
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56 | $Backtrace[0]['args'] = '';
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57 | $Backtrace[0]['file'] = $FileName;
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58 | $Backtrace[0]['line'] = $LineNumber;
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59 | $this->Report($Backtrace);
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60 | //if ((E_ERROR | E_PARSE) & $Number)
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61 | die();
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62 | }
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63 | }
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64 |
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65 | function ExceptionHandler(Throwable $Exception): void
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66 | {
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67 | $Backtrace = $Exception->getTrace();
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68 | array_unshift($Backtrace, array(
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69 | 'function' => $Exception->getMessage(),
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70 | 'file' => $Exception->getFile(),
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71 | 'line' => $Exception->getLine(),
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72 | ));
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73 | $this->Report($Backtrace);
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74 | die();
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75 | }
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76 |
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77 | function ShowDefaultError(string $Message): void
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78 | {
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79 | $Output = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head>'."\n".
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80 | '<meta http-equiv="Content-Language" content="en">'."\n".
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81 | '<meta http-equiv="Content-Type" content="text/html; charset='.$this->Encoding.'"></head><body>'."\n".
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82 | 'An internal error occurred!<br/>'.
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83 | 'Administrator will be notified and the problem will be investigated and fixed soon.'.'<br/><br/>';
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84 | if ($this->ShowError == true)
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85 | $Output .= '<pre>'.$Message.'</pre><br/>';
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86 | $Output .= '</body></html>';
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87 | echo($Output);
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88 | }
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89 |
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90 | function Report(array $Backtrace): void
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91 | {
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92 | $Date = date('Y-m-d H:i:s');
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93 | $Error = '# '.$Date."\n";
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94 | foreach ($Backtrace as $Item)
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95 | {
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96 | if (!array_key_exists('line', $Item)) $Item['line'] = '';
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97 | if (!array_key_exists('file', $Item)) $Item['file'] = '';
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98 |
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99 | $Error .= ' '.$Item['file'].'('.$Item['line'].")\t".$Item['function'];
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100 | $Arguments = '';
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101 | if (array_key_exists('args', $Item) and is_array($Item['args']))
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102 | foreach ($Item['args'] as $Item)
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103 | {
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104 | if (is_object($Item)) ;
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105 | else if (is_array($Item)) $Arguments .= "'".serialize($Item)."',";
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106 | else $Arguments .= "'".$Item."',";
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107 | }
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108 | if (strlen($Arguments) > 0) $Error .= '('.substr($Arguments, 0, -1).')';
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109 | $Error .= "\n";
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110 | }
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111 | $Error .= "\n";
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112 |
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113 | foreach ($this->OnError as $OnError)
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114 | call_user_func($OnError, $Error);
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115 | }
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116 | }
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