3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class a { public function __constructor() { $that = & $this; $that = new b(); var_dump('#1 that = '.get_class($that)); } public function change() { global $this; $that = & $this; $that = new b(); var_dump('#2 that = '.get_class($that)); var_dump('#2 this = '.get_class($this)); } } class b { } $class = new a(); var_dump(get_class($class)); $class->change(); var_dump(get_class($class));
Output for 7.1.0
Fatal error: Cannot use $this as global variable in /in/7jO0P on line 13
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
string(1) "a" string(11) "#2 that = b" string(11) "#2 this = b" string(1) "a"
Output for 5.0.0 - 5.6.28
Fatal error: Cannot re-assign $this in /in/7jO0P on line 13
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/7jO0P on line 5
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/7jO0P on line 5
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/7jO0P on line 5
Process exited with code 255.