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<?php $before = [ ['type' => 'foo'], ['type' => 'only-first-of-this'], ['type' => 'bar'], ['type' => 'only-first-of-this'], ['type' => 'baz'], ]; $found = 0; $after = array_filter( $before, static fn ($item) => $item['type'] !== 'only-first-of-this' || $found++ === 0, ); var_dump($before, $after); $found = 0; $after2 = array_filter( $before, static function ($item) use (&$found) { return $item['type'] !== 'only-first-of-this' || $found++ === 0; }, ); var_dump($after2);
Output for git.master_jit, git.master, rfc.property-hooks
array(5) { [0]=> array(1) { ["type"]=> string(3) "foo" } [1]=> array(1) { ["type"]=> string(18) "only-first-of-this" } [2]=> array(1) { ["type"]=> string(3) "bar" } [3]=> array(1) { ["type"]=> string(18) "only-first-of-this" } [4]=> array(1) { ["type"]=> string(3) "baz" } } array(5) { [0]=> array(1) { ["type"]=> string(3) "foo" } [1]=> array(1) { ["type"]=> string(18) "only-first-of-this" } [2]=> array(1) { ["type"]=> string(3) "bar" } [3]=> array(1) { ["type"]=> string(18) "only-first-of-this" } [4]=> array(1) { ["type"]=> string(3) "baz" } } array(4) { [0]=> array(1) { ["type"]=> string(3) "foo" } [1]=> array(1) { ["type"]=> string(18) "only-first-of-this" } [2]=> array(1) { ["type"]=> string(3) "bar" } [4]=> array(1) { ["type"]=> string(3) "baz" } }

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