3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array( 'code 10 and amount 1000', 'code 10 and amount 200', 'code 10 and amount 300', 'code 20 and amount 2000' ); $output = array(); foreach ($array as $value) { // Extract the values from the string preg_match('/^code\s(.*)\s\sand amount\s(.*)$/', $value, $match); // If no code exists, we have a problem so skip the line if (! isset($match[1])) { continue; } // Make this a bit more readable for future devs $code = (int) $match[1]; $amount = (int) isset($match[2]) ? $match[2] : 0; // If the code exists in the output array, add the value to it if (isset($output[$code])) { $output[$code] += $amount; } else { // Else make the new code have the value $output[$code] = $amount; } } print_r($output);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [10] => 1500 [20] => 2000 )