/**
* Test that map() applies callback functions to all elements in the array.
*/
public function testMap()
{
$data = array('foo' => 'bar', 'boolean' => true, 'null' => null, 'array' => array(), 'number' => 123);
$this->assertEquals(array('foo' => 'BAR', 'boolean' => true, 'null' => null, 'array' => array(), 'number' => 123), Hash::map($data, 'strtoupper'));
$this->assertEquals(array('foo' => 0, 'boolean' => 1, 'null' => 0, 'array' => array(), 'number' => 123), Hash::map($data, 'intval'));
$this->assertEquals(array('foo' => 'string', 'boolean' => 'true', 'null' => 'null', 'array' => array(), 'number' => 'number'), Hash::map($data, function ($value) {
if (is_numeric($value)) {
return 'number';
} elseif (is_bool($value)) {
return $value ? 'true' : 'false';
} elseif (is_null($value)) {
return 'null';
} elseif (is_string($value)) {
return 'string';
} else {
return $value;
}
}));
}
