3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1) function foo(string $bar = null) { var_dump($bar); } foo('');
based on gDJDv
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected 'foo' (T_STRING), expecting '(' in /in/sqmgJ on line 3
Process exited with code 255.
Output for 5.4.11 - 5.6.16
Warning: Unsupported declare 'strict_types' in /in/sqmgJ on line 1 Parse error: syntax error, unexpected 'foo' (T_STRING), expecting '(' in /in/sqmgJ on line 3
Process exited with code 255.
Output for 5.3.21 - 5.3.29
Warning: Unsupported declare 'strict_types' in /in/sqmgJ on line 1 Parse error: syntax error, unexpected T_STRING, expecting '(' in /in/sqmgJ on line 3
Process exited with code 255.