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run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public $event; public function __call($name, $args) { var_dump($name); var_dump($args); } public function test() { $this->event && $this->event(1); $this->event[] = 'callback'; $this->event && $this->event(2); } } $a = new A(); $a->test();
Output for 5.0.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
string(5) "event" array(1) { [0]=> int(2) }
Output for hhvm-3.10.0

Process exited with code 153.
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/35MTa 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/35MTa 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/35MTa on line 5
Process exited with code 255.