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<?php $type = 'login'; $edit = 'wolf'; echo FormValid($data,$type); function FormValid($data,$type){ switch($type){ case 'login': $edit = preg_replace("/[^A-Za-z0-9]/u", "", $data); break; case 'password': $edit = preg_replace("/[^A-Za-z0-9-_.,]/", "", $data); break; } if($data != $edit){ return false; } else{ return $data; }; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $data in /in/6Vc7Z on line 4 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/6Vc7Z on line 8
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $data in /in/6Vc7Z on line 4
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: data in /in/6Vc7Z on line 4
Output for 7.3.32 - 7.3.33
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: data in /in/6Vc7Z on line 4
preferences:
216.3 ms | 402 KiB | 384 Q