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<?php $a = array ( 0 => array ( 866 => array ( 100355 => '0', ), ), 1 => array ( 866 => array ( 100844 => '0', ), ), 2 => array ( 866 => array ( 100586 => '0', ), ), ); var_export(array_column($a, 866));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => array ( 100355 => '0', ), 1 => array ( 100844 => '0', ), 2 => array ( 100586 => '0', ), )

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