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<?php $arrays = [['00','01'],['10','11'],['20','11']]; $indexes = []; foreach($arrays as $array){ list('0'=>$indexes[]) = $array; } var_dump($indexes);
Output for git.master_jit, git.master, rfc.property-hooks
array(3) { [0]=> string(2) "00" [1]=> string(2) "10" [2]=> string(2) "20" }

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