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<?php $samples=array( array('a1','a2'), array('b1','b2'), array('c1','c2') ); $names = array_column($samples, 0); print_r($names);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => a1 [1] => b1 [2] => c1 )

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