3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ public $a; public function __construct( $this->a = 'a'; ); } $foo = new Foo(); $newFoo = unserialize(serialize($foo)); $newFoo->a();
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Fatal error: Cannot re-assign $this in /in/2PAv0 on line 6
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Parse error: syntax error, unexpected T_OBJECT_OPERATOR, expecting ')' in /in/2PAv0 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR, expecting ')' in /in/2PAv0 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/2PAv0 on line 4
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/2PAv0 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/2PAv0 on line 4
Process exited with code 255.
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