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run code in 150+ php & hhvm versions
Bugs & Features
<?php $_SERVER['REMOTE_ADDR'] = '127.0.0.1'; if (filter_var($ip = $_SERVER['REMOTE_ADDR'], FILTER_FLAG_IPV4)) { echo $ip; }
based on 54bgZ
Output for 5.2.1 - 7.1.0
Output for 5.2.0
127.0.0.1
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/RJlCL on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/RJlCL on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/RJlCL on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/RJlCL on line 5