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run code in 300+ PHP versions simultaneously
<?php class MyClass { protected Closure $modifier; public function __construct(callable $modifier) { $this->modifier = Closure::fromCallable($modifier); } public function runClosure() { var_dump(($this->modifier)()); } } class SomeOtherClass { public static function func() { return ['a' => 'b']; } } $test = new MyClass(SomeOtherClass::func(...)); $test->runClosure();

preferences:
29 ms | 404 KiB | 5 Q