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<?php class A { public function save($a = 1, $b = 2) { printf('Class name %s, A = %s, B = %s%s', get_class($this), $a, $b, PHP_EOL); } } class B extends A { public function test() { $closure = Closure::fromCallable('parent::save'); $closure->bindTo($this); $invoker = new Invoker(); $invoker->run($closure, func_get_args()); } } class Invoker { public function run(Closure $closure, array $params) { $closure(...$params); } } $o = new B; $o->test(); $o->test('fff'); $o->test(100, 500); $o->test('a', 'b', 'c');
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = 1, B = 2 Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = fff, B = 2 Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = 100, B = 500 Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = a, B = b
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = 1, B = 2 Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = fff, B = 2 Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = 100, B = 500 Deprecated: Use of "parent" in callables is deprecated in /in/TBRl6 on line 15 Class name B, A = a, B = b
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Class name B, A = 1, B = 2 Class name B, A = fff, B = 2 Class name B, A = 100, B = 500 Class name B, A = a, B = b
Output for 7.0.0 - 7.0.20
Fatal error: Uncaught Error: Call to undefined method Closure::fromCallable() in /in/TBRl6:15 Stack trace: #0 /in/TBRl6(31): B->test() #1 {main} thrown in /in/TBRl6 on line 15
Process exited with code 255.
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