3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public static function ii(){ var_dump($this); } } class b { public function ii(){ $a = new a(); $a->ii(); } } $bb = new b(); $bb->ii();
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Using $this when not in object context in /in/4qcDn:2 Stack trace: #0 /in/4qcDn(3): a::ii() #1 /in/4qcDn(5): b->ii() #2 {main} thrown in /in/4qcDn on line 2
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
Notice: Undefined variable: this in /in/4qcDn on line 2 NULL
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: this in /in/4qcDn on line 2 NULL
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/4qcDn 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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4qcDn on line 2
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/4qcDn on line 2
Process exited with code 255.

preferences:
270.8 ms | 401 KiB | 451 Q