Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > php,该如何处理

php,该如何处理

WBOY
Release： 2016-06-13 12:08:42
Original
923 people have browsed it

php
$searchFlg = @$form['searchFlg'];
[email protected]？
------解决思路----------------------
@是錯誤抑制符。
@$form['searchFlg']; 表示$form['searchFlg'];不存在時，不會提示警告信息。
------解决思路----------------------
错误控制运算符：@。当将其放置在一个 PHP 表达式之前，该表达式可能产生的任何错误信息都被忽略掉


上面语句如果不用@ 并且  $form中没有searchFlg项   会出现一个notice的报错



Related labels：
form nbsp php protected
source：php.cn
Previous article：如何去除数组指定下标元素 Next article：php中sesiion有关问题
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1429
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1284
PX automatic conversion to REM error  <style>html {   font-size: calc(100vw / 3.75);      }...
From 2024-04-16 09:34:16
0
0
4687
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template