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<?php class CallBySelf { public static function foo() { echo 'Foo', PHP_EOL; } public static function testCall() { $method = [self::class, 'foo']; var_dump(is_callable($method)); echo 'Call via call_user_func: '; call_user_func($method); echo 'Direct call: '; $method(); } } CallBySelf::testCall();
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) Call via call_user_func: Foo Direct call: Foo

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