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<?php $strings = [ "cat:others;id:4,9,13", "id:4,9,13;cat:electric-products", "id:4,9,13;cat:foods", "cat:drinks,foods" ]; $result = ['id' => [], 'cat' => []]; foreach ($strings as $string) { foreach (explode(';', $string) as $segment) { [$key, $values] = explode(':', $segment, 2); array_push($result[$key], ...explode(',', $values)); } } var_export(array_unique($result['id'])); echo "\n---\n"; var_export(array_unique($result['cat']));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.4, 8.3.6 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.9
array ( 0 => '4', 1 => '9', 2 => '13', ) --- array ( 0 => 'others', 1 => 'electric-products', 2 => 'foods', 3 => 'drinks', )
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 => '4', 1 => '9', 2 => '13', ) --- array ( 0 => 'others', 1 => 'electric-products', 2 => 'foods', 3 => 'drinks', )
preferences:
104.36 ms | 1447 KiB | 4 Q