3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class a { public $a; function __construct($a = 0) { $this->this = &$this; $this->a = $a; if ($a !== 0) { $this->this = new a(); } echo __METHOD__." :: ".$this->a."\n"; } } $a = new a(10); echo "a = ".$a->a."\n";
Output for 5.0.0 - 7.1.0
a::__construct :: 0 a::__construct :: 10 a = 10
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/h5oIM 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/h5oIM 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/h5oIM on line 4
Process exited with code 255.