<?php function callable_equals(callable $a, callable $b){ $f = function(callable $callable){ if(is_string($callable)){ $callable = strtolower($callable); if(count($pieces = explode("::", $callable)) == 2){ return [$pieces[0], $pieces[1]]; } return $callable; } $callable[1] = strtolower($callable[1]); return $callable; }; $a = $f($a); $b = $f($b); var_dump($a, $b); return $a === $b; } class Foo{static function bar(){}} var_dump(callable_equals( ['Foo', 'bar'], 'foo::bar' ));
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