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run code in 150+ php & hhvm versions
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<?php // 为避免污染全局命名空间,已对所有标识符加 `e` 前缀 /** * 运行模式 * * debug 调试模式, 会开启详细的日志记录和错误提示 * * default 默认模式, 会输出错误提示 * * production 生产模式, 不会执行任何额外操作, 最高效地执行代码 */ ob_start(); const eDebug = 2; const eDefault = 1; const eProduction = 0; const eRunMode = eDebug; // 默认关掉所有错误提示 error_reporting(0); // 如果是默认模式,打开致命错误和解析错误的报告 if(eRunMode >= eDefault) error_reporting(E_ERROR | E_PARSE); // 如果是调试模式,打开全部错误提示,并启用修改建议提示 if(eRunMode >= eDebug) error_reporting(E_ALL | E_STRICT); class ePHPException extends Exception { protected $severity; protected $varList; public function __construct($message = "", $code = 0, $severity = 1, $filename = __FILE__, $lineno = __LINE__, Exception $previous = null, $varList = []) { $this->severity = $severity; $this->file = $filename; $this->line = $lineno; $this->varList = $varList; // 调用父类的构造函数 parent::__construct($message, $code, $previous); } public function getSeverity() { return $this->severity; } public function getVarList() { return $this->varList; } } set_error_handler(function($no, $str, $file, $line, $varList) { throw new ePHPException($str, 0, $no, $file, $line, null, $varList); }); register_shutdown_function(function() { $error = error_get_last(); if($error['type'] === E_ERROR) throw new ePHPException($error['message'], 0, $error['type'], $error['file'], $error['line']); }); if(eRunMode <= eProduction) { set_exception_handler(function(Exception $exception) { header("Content-Type: text/plant; charset=UTF-8"); die(header("HTTP/1.1 500 Internal Server Error")); }); } else { echo "+++"; set_exception_handler(function(Exception $exception) { echo "---"; // 暂时我们只打算以纯文本的形式展示信息 header("Content-Type: text/plant; charset=UTF-8"); // 整体模版 $msg = "Exception `%s`: %s\nStack trace:\n%s\n thrown in %s on line %s"; // 栈的每一行的模版 $traceline = "#%s %s (%s): %s(%s)"; // 从异常对象获取运行栈 $trace = $exception->getTrace(); // 只有在调试模式才会显示参数的值,其他模式下只显示参数类型 if(eRunMode < eDebug) foreach ($trace as $key => $stackPoint) $trace[$key]['args'] = array_map('gettype', $trace[$key]['args']); $result = []; // 对运行栈的每一项应用模版 foreach ($trace as $key => $stackPoint) { print_r($stackPoint) $result[] = sprintf( $traceline, $key, $stackPoint['file'], $stackPoint['line'], $stackPoint['function'], implode(', ', $stackPoint['args']) ); } $result[] = '#' . ++$key . ' {main}'; // 应用整体模版 $msg = sprintf( $msg, get_class($exception), $exception->getMessage(), implode("\n", $result), $exception->getFile(), $exception->getLine() ); // 打印运行栈等信息 print $msg; // 如果当前是调试模式,且异常对象是我们构造的 ePHPException 类型,打印符号表 if(eRunMode >= eDebug && $exception instanceof ePHPException) print_r($exception->getVarList()); }); } array_keys(1);
Output for 5.4.0 - 5.4.16
Parse error: syntax error, unexpected '$result' (T_VARIABLE) in /in/JEanf on line 102
Process exited with code 255.
Output for 5.3.0 - 5.3.26
Parse error: syntax error, unexpected '[' in /in/JEanf on line 34
Process exited with code 255.