php抛出异常 1. [代码] [PHP]代码 ?php/** * 错误异常处理 */$arr = ['data' = 'hello world',];$res = '123';printData(check($res));printData(check($arr));/** * Array([line] = 21[file] = 21[msg] = not is array)Array([data] = hello w
1. [代码][PHP]代码
<?php /** * 错误异常处理 */ $arr = [ 'data' => 'hello world', ]; $res = '123'; printData(check($res)); printData(check($arr)); /** * Array ( [line] => 21 [file] => 21 [msg] => not is array ) Array ( [data] => hello world ) * */ function check($x){ try{ if(!is_array($x)) { throw new Exception('not is array'); } }catch(Exception $e){ $data['line'] = $e->getLine(); $data['file'] = $e->getLine(); $data['msg'] = $e->getMessage(); return $data; } return $x; } $item = '123'; $row = [ '0'=>1, ]; print_r(checkString($item)); print_r(checkString($row)); /* * Fatal error: Uncaught Exception: 不是字符串 in D:\xampp\htdocs\phperror.php:77 Stack trace: #0 D:\xampp\htdocs\phperror.php(62): checkString(Array) #1 {main} thrown in D:\xampp\htdocs\phperror.php on line 82 Array ( [0] => 1 ) */ function checkString($y){ if(!is_string($y)){ throw new Exception('不是字符串'); } return $y; } function printData($data){ echo '<pre>'; print_r($data); }