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<?php $myarray = Array ( Array ( 'user_id' => 21, 'email' => 'momod@modara.com', 'brand' => Array ('GOFUEL_W','GOFUEL_USD_W')), Array ( 'user_id' => 22, 'email' => 'hemisphere@modara.com', 'brand' => Array ('GOFUEL_W')), Array ( 'user_id' => 23, 'email' => 'madoka@modara.com', 'brand' => Array ('GOFUEL_W','GOFUEL_USD_W','GOFUEL_BGD_W') ) ); foreach($myarray AS &$subarray) { if($subarray['user_id'] == 22) { $subarray['brand'][] = "GO_FUEL_SGD_W"; break; } } print_r($myarray);

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