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<?php class A { /** @return string[] */ public function test() {return array_map(array($this, 'callback'), array('ааа', 'ббб', 'ввв'));} /** * @param string $value * @return string */ private function callback($value) {return mb_strtoupper($value);} } $a = new A(); echo print_r($a->test(), true);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => ААА [1] => БББ [2] => ВВВ )

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