3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public $b = 'B'; } class B { public static $c = 'Hello world!'; } $a = new A; var_dump(${${$a->b} = $a->b}::$c); // about as close to $a->b::$c you can get
Output for 5.3.0 - 7.1.0
string(12) "Hello world!"
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/PnFVc on line 19
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/PnFVc on line 19
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/PnFVc on line 6
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/PnFVc on line 6
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/PnFVc on line 6
Process exited with code 255.