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<?php $firstArr = array( 0 =>array('driver'=>'xxxx', 'distance' => 100, 'vehicle' => 1, 'date' => '2019-10'), 1=>array('driver'=>'xxxx', 'distance' => 200, 'vehicle' => 2, 'date' => '2019-10'), 2=>array('driver'=>'yyyy', 'distance' => 100, 'vehicle' => 3, 'date' => '2019-10')); print_r($firstArr); $finalArray= array(); foreach($firstArr as $arr){ if(!isset($finalArray[$arr['driver']])){ $finalArray[$arr['driver']] = $arr; }else{ $finalArray[$arr['driver']]['distance']= $finalArray[$arr['driver']]['distance']+$arr['distance']; $finalArray[$arr['driver']]['vehicle']= $finalArray[$arr['driver']]['vehicle'].','.$arr['vehicle']; } } print_r(array_values($finalArray));
Output for 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
Array ( [0] => Array ( [driver] => xxxx [distance] => 100 [vehicle] => 1 [date] => 2019-10 ) [1] => Array ( [driver] => xxxx [distance] => 200 [vehicle] => 2 [date] => 2019-10 ) [2] => Array ( [driver] => yyyy [distance] => 100 [vehicle] => 3 [date] => 2019-10 ) ) Array ( [0] => Array ( [driver] => xxxx [distance] => 300 [vehicle] => 1,2 [date] => 2019-10 ) [1] => Array ( [driver] => yyyy [distance] => 100 [vehicle] => 3 [date] => 2019-10 ) )
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 Array ( [0] => Array ( [driver] => xxxx [distance] => 100 [vehicle] => 1 [date] => 2019-10 ) [1] => Array ( [driver] => xxxx [distance] => 200 [vehicle] => 2 [date] => 2019-10 ) [2] => Array ( [driver] => yyyy [distance] => 100 [vehicle] => 3 [date] => 2019-10 ) ) Array ( [0] => Array ( [driver] => xxxx [distance] => 300 [vehicle] => 1,2 [date] => 2019-10 ) [1] => Array ( [driver] => yyyy [distance] => 100 [vehicle] => 3 [date] => 2019-10 ) )

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