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<?php $a = array( 0 => array('value' => 1000, 'name' => 'AA1'), 1 => array('value' => 2000, 'name' => 'AA2'), 2 => array('value' => 3000, 'name' => 'AA3'), 3 => array('value' => 4000, 'name' => 'AA4'), ); $b = array( 0 => array('value' => 1000, 'name' => 'BB1'), 1 => array('value' => 3000, 'name' => 'BB2'), 2 => array('value' => 1700, 'name' => 'BB3'), 3 => array('value' => 1200, 'name' => 'BB4'), ); $c = array( 0 => array('value' => 3000, 'name' => 'CC1'), 1 => array('value' => 4000, 'name' => 'CC2'), 2 => array('value' => 4300, 'name' => 'CC3'), 3 => array('value' => 5000, 'name' => 'CC4'), ); $array = array('a' => $a, 'b' => $b, 'c' =>$c); foreach($array as $letter => $subArray){ foreach($subArray as $key => $values){ $newArray[$letter.$key] = $values['value']; } } $uniques = array_unique($newArray); //getting the non-repeated values $repeated = array_diff_assoc($newArray, $uniques); // stripping them out $final = array_unique($repeated); //cleaning the repeated values to just 1 of each print_r($repeated);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [b0] => 1000 [b1] => 3000 [c0] => 3000 [c1] => 4000 )

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