3v4l.org

run code in 300+ PHP versions simultaneously
<?php class derp implements Iterator { public current() {} public key() {} public next() {} public rewind() {} public valid() {} } $d = new Derp; var_dump(is_array($d);4
Output for 5.4.0 - 5.4.28, 5.5.0 - 5.5.12
Parse error: syntax error, unexpected 'current' (T_STRING), expecting variable (T_VARIABLE) in /in/R6ErG on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE in /in/R6ErG on line 5
Process exited with code 255.
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193.89 ms | 1395 KiB | 78 Q