3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php /** * Why can't I chain with just () ? */ class Foo { public $count = 0; public function __invoke() { $this->count += 1; return $this; } } $foo = new Foo(); $foo->__invoke()->__invoke()->__invoke(); echo "\n$foo->count\n";
Output for 5.0.0 - 7.2.0
3
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/Be51U on line 8
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/Be51U on line 8
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/Be51U on line 8
Process exited with code 255.