3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1) function foo(string $bar = null) { var_dump($bar); } foo('');
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 5.5.24 - 5.5.30, 5.6.8 - 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.

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