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PHP7中异常与错误处理与之前版本对比
先上代码
ECHO PHP_VERSION.PHP_EOL;
function add (int $left,int $right){
return $left+$right;
}
try {
echo add('left', 'right');
} catch (Exception $e) {
// Handle exception
} catch (Error $e) { // Clearly a different type of object
// Log error and end gracefully
var_dump($e->getMessage());
}
echo PHP_EOL."helloword".PHP_EOL;PHP v5.6.1结果
5.6.1 PHP Catchable fatal error: Argument 1 passed to add() must be an instance of int, string given, called in C:\usertb\shareubuntu\Workerman\fortest.php on line 8 and defined in C:\usertb\shareubuntu\Workerman\fortest.php on line 3 Catchable fatal error: Argument 1 passed to add() must be an instance of int, string given, called in C:\usertb\shareubuntu\Workerman\fortest.php on line 8 and defined in C:\usertb\shareubuntu\Workerman\fortest.php on line 3 [Finished in 0.0s]
PHP v7.0.15结果
7.0.15-0ubuntu0.16.04.4 string(131) "Argument 1 passed to add() must be of the type integer, string given, called in /home/tb/win10share/Workerman/fortest.php on line 8" helloword
区别
在于后者可以捕获fatal error，并且可以正常输出helloword
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