3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Image {} class Headed extends Image { class Dimension { function __construct(Image $image) { } } $h = new Headed; $d = new Dimension($h); ?>
Output for 5.4.0 - 5.4.11
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting function (T_FUNCTION) in /in/dLsqQ on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.21
Parse error: syntax error, unexpected T_CLASS, expecting T_FUNCTION in /in/dLsqQ on line 7
Process exited with code 255.
preferences:
173.53 ms | 1395 KiB | 41 Q