When you GET data in the form of $ _ GET ["xx"], if you do not add a judgment before, the following warning will appear when $ _ GET ["xx"] does not exist: PHP Notice: undefined index xxx.
Although you can hide this prompt by setting the error
Several solutions to undefined index in PHP
I. Related information
$_post[''] $_get[''] It appears when you use or get the parameters in the formNotice: Undefined index: --------;And we often receive the form post come over the data times Undefined
Although it is possible to hide this hint by setting the error display, there is a hidden danger that these prompts are logged in the server's log, causing the log file to be unusually large
Usually use $_post['],$_get['] to get the parameters in
Php: several solutions for undefined index: undefinedindex
When $ _ post [''] and $ _ get [''] are used to obtain parameters in the formNotice: Undefined index :--------;
Although you can hide this prompt by setting the error display mode,
Use $_get["XX"] this form to obtain data, if not previously judged, $_get["XX" does not exist when the warning appears: PHP notice:undefined index XXX.
Although it is possible to hide this hint by setting the error display, there is a hidden
Although you can hide this prompt by setting the error display mode, there is also a risk that these prompts will be recorded in the server logs, resulting in a huge Log File exception.
First, this is not an error, it is warning. Therefore, if
Although you can hide this prompt by setting the error display mode, there is also a risk that these prompts will be recorded in the server logs, resulting in a huge Log File exception.First, this is not an error, it is warning. Therefore, if the
Although you can set the error display to hide the hint, but there are also hidden dangers, that is, in the log of the server will be recorded in these prompts, resulting in unusually large log files.
First of all, this is not a mistake, it is
Error message about PHPUndefinedindex. When you GET data in the form of $ _ GET [xx], if you do not add a judgment before, $ _ GET [xx] will receive the following warning when it does not exist: PHPNotice: undefinedindexxxx. Although you can GET
This article will introduce the implementation of pagination using PHP + JQuery + Ajax. For more information about JQuery, I decided to write pages by myself.
Final Effect
After clicking a letter, all words with the letter as the first letter are
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