3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface If { function bar(stdClass $arg); } class Foo implements If { function bar(stdClass $arg) { var_dump($arg); } } $foo = new Foo; $foo->bar(new DateTime());
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected 'If' (T_IF), expecting identifier (T_STRING) in /in/hRCLK on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_IF, expecting T_STRING in /in/hRCLK on line 3
Process exited with code 255.
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177.9 ms | 1394 KiB | 57 Q