3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract Foo { abstract protected function getValue(); } class Bar extends Foo { function getValue() {return "Bar";} }
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected 'Foo' (T_STRING), expecting class (T_CLASS) in /in/us6R6 on line 2
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING, expecting T_CLASS in /in/us6R6 on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting T_CLASS in /in/us6R6 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/us6R6 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/us6R6 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/us6R6 on line 2
Process exited with code 255.

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