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<?php $options = Array ( '0' => Array ( 'value' => 180, 'label' => 'Nokia' ), '1' => Array ( 'value' => 2341, 'label' => 'Suisses' ), '2' => Array ( 'value' => 143, 'label' => 'Nokia' ), '3' => Array ( 'value' => 2389, 'label' => '3D Pop Art' ) ); foreach($options as $v){ $c[$v['label']][] = $v['value']; } print_r($c);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [Nokia] => Array ( [0] => 180 [1] => 143 ) [Suisses] => Array ( [0] => 2341 ) [3D Pop Art] => Array ( [0] => 2389 ) )

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