php Undefined variable and Undefined index_PHP tutorial

php tutorial undefined variable and undefined index

This problem occurs because the variable is undefined. We only need to add a verification such as

$a =isset($_get['aa'])?$_get['aa']:'Variable is undefined';

In this way, undefined variables will not appear undefined variable and undefined index
Yes, we also provide methods to set error not prompting in php ini or php

Solution:
1) error_reporting settings:
Find error_reporting = e_all
Modify to error_reporting = e_all & ~e_notice

2) register_globals settings:
Find register_globals = off
Modify to register_globals = on

http://www.bkjia.com/PHPjc/632357.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/632357.htmlTechArticlephp tutorial undefined variable and undefined index This problem occurs because the variable is undefined. We only need to add a verification such as $a =isset($_get['aa'])?$_get['aa']:'Variable is not defined'; This is not...