3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); if(PHP_MAJOR_VERSION < 7 or PHP_MINOR_VERSION < 1) && __HALT_COMPILER(); function testParam(?string $arg){ var_dump($arg); } testParam(null); testParam("hi"); testParam();
based on 8vtCH
Output for 7.0.0 - 7.1.7
Parse error: syntax error, unexpected '&&' (T_BOOLEAN_AND) in /in/iiVWc on line 5
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_BOOLEAN_AND in /in/iiVWc:5 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Warning: Unsupported declare 'strict_types' in /in/iiVWc on line 3 Parse error: syntax error, unexpected '&&' (T_BOOLEAN_AND) in /in/iiVWc on line 5
Process exited with code 255.