3v4l.org

run code in 300+ PHP versions simultaneously
<?php absract class parent { abstract function childMethod(); function parentMethod(){ $this->childMethod(); } } class foo extends parent { function childMethod(){ return 'I am child'; } } $o = new foo(); echo $o->parentMethod()->childMethod();
Output for 5.4.0 - 5.4.19, 5.5.0 - 5.5.3
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/1h5YM on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CLASS in /in/1h5YM on line 3
Process exited with code 255.
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