public function testMap()
{
$expected = array('a' => 'A=IJ', 'b' => 'B=IJK', 'c' => 'C=', 'd' => 'D=IJK');
$callback = function ($value, $key) {
return strtoupper($key . '=' . join(array_keys($value)));
};
$this->assertEquals($expected, Arr::map($this->input, $callback));
}
/**
* Pass each value in an array trough a callback function. It passes both
* the value and the key to the callback, as opposed to array_map().
* @param callback $callback
* @return Arr
*/
public function map($callback, $values_only = false)
{
return new self(Arr::map($this->data, $callback, $values_only));
}
