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run code in 200+ php & hhvm versions
Bugs & Features
<?php function bind($cb) { $bound_args = func_get_args(); array_shift($bound_args); $bound_exec = function () use ($bound_args, $cb) { var_dump(func_get_args()); $args = $bound_args + func_get_args(); var_dump($args); call_user_func_array($cb, $args); }; return $bound_exec; } $fn = bind(function ($a, $b) { return $a . $b; }, 'hello '); echo $fn('world');
based on CUU6u
Output for 7.1.0 - 7.2.6
array(1) { [0]=> string(5) "world" } array(1) { [0]=> string(6) "hello " } Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed in /in/gKsv8 on line 10 and exactly 2 expected in /in/gKsv8:14 Stack trace: #0 /in/gKsv8(10): {closure}('hello ') #1 /in/gKsv8(15): {closure}('world') #2 {main} thrown in /in/gKsv8 on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20
array(1) { [0]=> string(5) "world" } array(1) { [0]=> string(6) "hello " } Warning: Missing argument 2 for {closure}(), called in /in/gKsv8 on line 10 and defined in /in/gKsv8 on line 14 Notice: Undefined variable: b in /in/gKsv8 on line 14
Output for 5.3.0 - 5.6.28
array(1) { [0]=> string(5) "world" } array(1) { [0]=> string(6) "hello " } Warning: Missing argument 2 for {closure}() in /in/gKsv8 on line 14 Notice: Undefined variable: b in /in/gKsv8 on line 14
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/gKsv8 on line 6
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/gKsv8 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gKsv8 on line 6
Process exited with code 255.