3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (filter_var('http://example.com', FILTER_VALIDATE_URL)) echo 'valid'; else echo 'invalid';
based on gnlJU
Output for 5.2.0 - 7.1.0
valid
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/I3rcF on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/I3rcF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/I3rcF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/I3rcF on line 3