@ 2013-06-14T12:45:15Z <?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
*/
const eDebug = 2;
const eDefault = 1;
const eProduction = 0;
const eRunMode = eDefault;
// 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);
});
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
{
set_exception_handler(function(Exception $exception) {
// 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)
$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_keys1();
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Output for git.master , git.master_jit , rfc.property-hooks Fatal error: Uncaught TypeError: {closure}(): Argument #1 ($exception) must be of type Exception, Error given in /in/R6paW:69
Stack trace:
#0 [internal function]: {closure}(Object(Error))
#1 {main}
thrown in /in/R6paW on line 69
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