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run code in 150+ php & hhvm versions
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<?php class Foo { public function bar() { $name = 'this'; $$name = 'herpderp'; var_dump($$name); var_dump($this); var_dump(self); } } $d = new Foo; $d->bar();
Output for 7.1.0
Fatal error: Uncaught Error: Cannot re-assign $this in /in/AIR4Q:6 Stack trace: #0 /in/AIR4Q(14): Foo->bar() #1 {main} thrown in /in/AIR4Q on line 6
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
string(8) "herpderp" string(8) "herpderp" Notice: Use of undefined constant self - assumed 'self' in /in/AIR4Q on line 10 string(4) "self"
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/AIR4Q on line 4
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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/AIR4Q 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/AIR4Q on line 4
Process exited with code 255.