php抛出异常
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2022-05-11 22:43:14
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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); }
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