3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function bar() { $name = 'this'; $$name = & 'herpderp'; var_dump($$name); var_dump($this); } } $d = new Foo; $d->bar(); var_dump($d);
Output for 5.4.18 - 5.4.19
Parse error: syntax error, unexpected ''herpderp'' (T_CONSTANT_ENCAPSED_STRING) in /in/P0EmD on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected ''herpderp'' (T_CONSTANT_ENCAPSED_STRING) in /in/BBJCr on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/BBJCr on line 6
Process exited with code 255.
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