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<?php $array=[ ['currency'=>'bitcoin','Totalcs'=>'1'], ['currency'=>'ethereum','Totalcs'=>'1'], ['currency'=>'ethereum','Totalcs'=>'1'] ]; foreach($array as $row){ // iterate all rows if(!isset($result[$row['currency']])){ // if first occurrence of currency... $result[$row['currency']]=$row; // save the full row with currency as the temporary key }else{ // if not the first occurrence of currency... $result[$row['currency']]['Totalcs']+=$row['Totalcs']; // add Totalcs value } } var_export(array_values($result));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array ( 0 => array ( 'currency' => 'bitcoin', 'Totalcs' => '1', ), 1 => array ( 'currency' => 'ethereum', 'Totalcs' => 2, ), )

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