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<?php $source_arr = ["Car" => "Volvo", "City" => "Stockholm", "Country" => "Sweden"]; $new_arr = []; array_push( $new_arr, ...key_exists("Car", $source_arr) ? [$source_arr["Car"]] : [], ...key_exists("State", $source_arr) ? [$source_arr["State"]] : [] ); var_export($new_arr);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 0 => 'Volvo', )
preferences:
989.25 ms | 1125 KiB | 4 Q