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run code in 200+ php & hhvm versions
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<?php $closures = array(); $simple_closure = function($msg="hello world") { return $msg;}; for ($x=0; $x < 2; $x++) { $closures[$x] = $simple_closure; } $obj1 = new stdClass; $obj1->msg = "top of the morning"; $obj2 = new stdClass; $obj2->msg = "joy to the world"; $c1 = Closure::bind($closures[0], $obj1); $c2 = Closure::bind($closures[1], $obj2); var_dump($c1,$c2); echo $c1($this->msg); echo $c2($this->msg);
Output for 7.0.0 - 7.2.0
object(Closure)#4 (2) { ["this"]=> object(stdClass)#2 (1) { ["msg"]=> string(18) "top of the morning" } ["parameter"]=> array(1) { ["$msg"]=> string(10) "<optional>" } } object(Closure)#5 (2) { ["this"]=> object(stdClass)#3 (1) { ["msg"]=> string(16) "joy to the world" } ["parameter"]=> array(1) { ["$msg"]=> string(10) "<optional>" } } Fatal error: Uncaught Error: Using $this when not in object context in /in/tMPCh:22 Stack trace: #0 {main} thrown in /in/tMPCh on line 22
Process exited with code 255.
Output for 5.4.0 - 5.6.28
object(Closure)#4 (2) { ["this"]=> object(stdClass)#2 (1) { ["msg"]=> string(18) "top of the morning" } ["parameter"]=> array(1) { ["$msg"]=> string(10) "<optional>" } } object(Closure)#5 (2) { ["this"]=> object(stdClass)#3 (1) { ["msg"]=> string(16) "joy to the world" } ["parameter"]=> array(1) { ["$msg"]=> string(10) "<optional>" } } Fatal error: Using $this when not in object context in /in/tMPCh on line 22
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method Closure::bind() in /in/tMPCh on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/tMPCh on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/tMPCh on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tMPCh on line 5
Process exited with code 255.