$array = array('a' => '1', 'b' => '2', 'c' => '3');
$result = Arrays::mapEntries($array, function ($key, $value) {
return $key . '_' . $value;
});
Result:
Array
(
[a] => a_1
[b] => b_2
[c] => c_3
)
public static function mapEntries(array $elements, $function)
{
$keys = array_keys($elements);
$values = array_values($elements);
return array_combine($keys, array_map($function, $keys, $values));
} /**
* @test
*/
public function shouldMapEntries()
{
//given
$array = array('a' => 1, 'b' => 2, 'c' => 3);
//when
$result = Arrays::mapEntries($array, function ($key, $value) {
return $key . '_' . $value;
});
//then
$this->assertEquals(array('a' => 'a_1', 'b' => 'b_2', 'c' => 'c_3'), $result);
}
