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<?php $data = [[ "continent" => "Europa", "country" => "France", "capital" => "Paris", ],[ "continent" => "Europa", "country" => "Spain", "capital" => "Madrid", ],[ "continent" => "Asia", "country" => "Russia", "capital" => "Moscow", ]]; $groupByProperty = function(array $list, string $property) { return array_reduce($list, function($grouped, $item) use(&$property) { $grouped[$item[$property]][] = $item; return $grouped; }, []); }; $groupedByContinent = $groupByProperty($data, 'continent'); var_dump($groupedByContinent);
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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array(2) { ["Europa"]=> array(2) { [0]=> array(3) { ["continent"]=> string(6) "Europa" ["country"]=> string(6) "France" ["capital"]=> string(5) "Paris" } [1]=> array(3) { ["continent"]=> string(6) "Europa" ["country"]=> string(5) "Spain" ["capital"]=> string(6) "Madrid" } } ["Asia"]=> array(1) { [0]=> array(3) { ["continent"]=> string(4) "Asia" ["country"]=> string(6) "Russia" ["capital"]=> string(6) "Moscow" } } }
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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