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<?php $a = array("a", "b", "c", "0", "1", 2, 3, array(1, 2, 3), (object)array("a"=>1, "b"=>2, "c"=>3)); $b = array_filter($a, 'is_string'); var_dump($a); var_dump($b);
Output for git.master, git.master_jit, rfc.property-hooks
array(9) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "0" [4]=> string(1) "1" [5]=> int(2) [6]=> int(3) [7]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } [8]=> object(stdClass)#1 (3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) } } array(5) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "0" [4]=> string(1) "1" }

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