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<?php class Foo { private $a = 1; } function deprivatise($obj, $callback) { $thief = function($obj) { call_user_func($callback, $obj); }; $objTheif = Closure::bind($thief, null, $obj); return $objTheif($obj); } $bar = new Foo; echo deprivatise($bar, function($ths) { return $ths->a; }) . PHP_EOL;
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined variable $callback in /in/1FDF7 on line 11 Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, no array or string given in /in/1FDF7:11 Stack trace: #0 /in/1FDF7(14): Foo::{closure}(Object(Foo)) #1 /in/1FDF7(19): deprivatise(Object(Foo), Object(Closure)) #2 {main} thrown in /in/1FDF7 on line 11
Process exited with code 255.
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28
Warning: Undefined variable $callback in /in/1FDF7 on line 11 Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, no array or string given in /in/1FDF7:11 Stack trace: #0 /in/1FDF7(14): Foo::{closure}(Object(Foo)) #1 /in/1FDF7(21): deprivatise(Object(Foo), Object(Closure)) #2 {main} thrown in /in/1FDF7 on line 11
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Warning: Undefined variable $callback in /in/1FDF7 on line 11 Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, no array or string given in /in/1FDF7:11 Stack trace: #0 /in/1FDF7(14): Foo::{closure}(Object(Foo)) #1 /in/1FDF7(21): deprivatise(Object(Foo), Object(Closure)) #2 {main} thrown in /in/1FDF7 on line 11
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: callback in /in/1FDF7 on line 11 Warning: call_user_func() expects parameter 1 to be a valid callback, no array or string given in /in/1FDF7 on line 11
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: call_user_func() expects parameter 1 to be a valid callback, no array or string given in /in/1FDF7 on line 11
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method Closure::bind() in /in/1FDF7 on line 13
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/1FDF7 on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/1FDF7 on line 10
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/1FDF7 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/1FDF7 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/1FDF7 on line 5
Process exited with code 255.
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