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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(\FILTER_SANITIZE_EMAIL);
Output for 5.3.0 - 7.2.0
int(517)
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/NZcou on line 3 int(517)
Output for 4.3.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/NZcou on line 3 Notice: Use of undefined constant FILTER_SANITIZE_EMAIL - assumed 'FILTER_SANITIZE_EMAIL' in /in/NZcou on line 3 string(21) "FILTER_SANITIZE_EMAIL"