PHPize Online / SQLize Online  /  SQLtest Online

<?php $array = [ [ "id" => 96, "shipping_no" => "212755-1", "part_no" => "reterty", "description" => "tyrfyt", "packaging_type" => "PC" ], [ "id" => 96, "shipping_no" => "212755-1", "part_no" => "dftgtryh", "description" => "dfhgfyh", "packaging_type" => "PC" ], [ "id" => 97, "shipping_no" => "212755-2", "part_no" => "ZeoDark", "description" => "s%c%s%c%s", "packaging_type" => "PC" ] ]; var_export( collect($array)->groupBy('id')->count()->max() );