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run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class File { } abstract class DataFile extends File {} class jordi extends DataFile{ public $naam='jordi'; } function a(File $f) { return $f; } print_r(a(new jordi)); ?>
Output for 5.0.0 - 7.1.0
jordi Object ( [naam] => jordi )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/jpmQ9 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/jpmQ9 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jpmQ9 on line 2
Process exited with code 255.