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<?php $arr =array( "20" => Array ( "ean" => "**6900532615069**", "productPrice" => 1140, "productCount" => 50 ), "15" => Array ( "ean" => "**6900532615069**", "productPrice" => 1140, "productCount" => 5 ), "25" => Array ( "ean" => 6900535364122, "productPrice" => 1140, "productCount" => 50 ), "36" => Array ( "ean" => "**6900532615069**", "productPrice" => 1140, "productCount" => 10, )); usort($arr, function ($a, $b) { return $b['productCount'] - $a['productCount']; }); $arr = array_values(array_column($arr, NULL, "ean")); var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(3) { ["ean"]=> string(17) "**6900532615069**" ["productPrice"]=> int(1140) ["productCount"]=> int(5) } [1]=> array(3) { ["ean"]=> int(6900535364122) ["productPrice"]=> int(1140) ["productCount"]=> int(50) } }

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