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<?php $names = array( array('id' => 123, 'name' => 'A'), array('id' => 456, 'name' => 'B'), array('id' => 789, 'name' => 'C'), ); $ids = array_map(function ($name) { return $name['id']; }, $names); var_dump($ids);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(123) [1]=> int(456) [2]=> int(789) }

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