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<?php $arr = array ( 0 => array ('User 1', 10, 10), 1 => array ('User 2', 10, 10), 2 => array ('User 1', 10, 10), 3 => array ('User 2', 10, 10), 4 => array ('User 1', 10, 10), 5 => array ('User 3', 10, 10), ); $result = array(); foreach($arr as $val){ $key = array_search($val[0], array_column($result, 0)); if($key !== false){ $result[$key][1] = $result[$key][1] + $val[1]; $result[$key][2] = $result[$key][2] + $val[2]; }else{ $result[] = $val; } } echo "<pre>";print_r($result);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
<pre>Array ( [0] => Array ( [0] => User 1 [1] => 30 [2] => 30 ) [1] => Array ( [0] => User 2 [1] => 20 [2] => 20 ) [2] => Array ( [0] => User 3 [1] => 10 [2] => 10 ) )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <pre>Array ( [0] => Array ( [0] => User 1 [1] => 30 [2] => 30 ) [1] => Array ( [0] => User 2 [1] => 20 [2] => 20 ) [2] => Array ( [0] => User 3 [1] => 10 [2] => 10 ) )

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219.92 ms | 402 KiB | 288 Q