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run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'GB' => 20827, 'US' => 73, 'ES' => 23, 'AU' => 15, 'DE' => 12, 'MY' => 4, 'QA' => 1, 'VN' => 1, 'SK' => 1, 'FJ' => 1, 'ME' => 1, 'TR' => 1, 'LV' => 1 ], [ 'GB' => 15070, 'US' => 3920, 'IE' => 1711, 'PH' => 1071, 'MT' => 578, 'AU' => 423, 'HR' => 241, 'ZA' => 210, 'FR' => 139 ] ]; $result = []; foreach ($array as $row) { foreach ($row as $key => $value) { $result[$key] = ($result[$key] ?? 0) + $value; } } var_export($result); echo "\n---\n"; var_export( array_reduce( $array, function($result, $row) { foreach ($row as $key => $value) { $result[$key] = ($result[$key] ?? 0) + $value; } return $result; }, [] ) ); echo "\n---\n"; $result = []; array_walk_recursive( $array, function($value, $key) use(&$result) { $result[$key] = ($result[$key] ?? 0) + $value; } ); var_export($result);
Output for 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 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array ( 'GB' => 35897, 'US' => 3993, 'ES' => 23, 'AU' => 438, 'DE' => 12, 'MY' => 4, 'QA' => 1, 'VN' => 1, 'SK' => 1, 'FJ' => 1, 'ME' => 1, 'TR' => 1, 'LV' => 1, 'IE' => 1711, 'PH' => 1071, 'MT' => 578, 'HR' => 241, 'ZA' => 210, 'FR' => 139, ) --- array ( 'GB' => 35897, 'US' => 3993, 'ES' => 23, 'AU' => 438, 'DE' => 12, 'MY' => 4, 'QA' => 1, 'VN' => 1, 'SK' => 1, 'FJ' => 1, 'ME' => 1, 'TR' => 1, 'LV' => 1, 'IE' => 1711, 'PH' => 1071, 'MT' => 578, 'HR' => 241, 'ZA' => 210, 'FR' => 139, ) --- array ( 'GB' => 35897, 'US' => 3993, 'ES' => 23, 'AU' => 438, 'DE' => 12, 'MY' => 4, 'QA' => 1, 'VN' => 1, 'SK' => 1, 'FJ' => 1, 'ME' => 1, 'TR' => 1, 'LV' => 1, 'IE' => 1711, 'PH' => 1071, 'MT' => 578, 'HR' => 241, 'ZA' => 210, 'FR' => 139, )
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 ( 'GB' => 35897, 'US' => 3993, 'ES' => 23, 'AU' => 438, 'DE' => 12, 'MY' => 4, 'QA' => 1, 'VN' => 1, 'SK' => 1, 'FJ' => 1, 'ME' => 1, 'TR' => 1, 'LV' => 1, 'IE' => 1711, 'PH' => 1071, 'MT' => 578, 'HR' => 241, 'ZA' => 210, 'FR' => 139, ) --- array ( 'GB' => 35897, 'US' => 3993, 'ES' => 23, 'AU' => 438, 'DE' => 12, 'MY' => 4, 'QA' => 1, 'VN' => 1, 'SK' => 1, 'FJ' => 1, 'ME' => 1, 'TR' => 1, 'LV' => 1, 'IE' => 1711, 'PH' => 1071, 'MT' => 578, 'HR' => 241, 'ZA' => 210, 'FR' => 139, ) --- array ( 'GB' => 35897, 'US' => 3993, 'ES' => 23, 'AU' => 438, 'DE' => 12, 'MY' => 4, 'QA' => 1, 'VN' => 1, 'SK' => 1, 'FJ' => 1, 'ME' => 1, 'TR' => 1, 'LV' => 1, 'IE' => 1711, 'PH' => 1071, 'MT' => 578, 'HR' => 241, 'ZA' => 210, 'FR' => 139, )
preferences:
141.68 ms | 403 KiB | 158 Q