Implemented feature to allow individual "empty" values for date time select elements

lib/Cake/Test/Case/View/Helper/FormHelperTest.php

@@ -5125,6 +5125,45 @@ class FormHelperTest extends CakeTestCase {
 	}
 
 /**
+ * testDateTimeEmptyAsArray
+ *
+ * @return void
+ */
+	public function testDateTimeEmptyAsArray() {
+		$result = $this->Form->dateTime('Contact.date',
+			'DMY',
+			'12',
+			array(
+				'empty' => array('day' => 'DAY', 'month' => 'MONTH', 'year' => 'YEAR',
+					'hour' => 'HOUR', 'minute' => 'MINUTE', 'meridian' => false
+				)
+			)
+		);
+
+		$this->assertRegExp('/<option value="">DAY<\/option>/', $result);
+		$this->assertRegExp('/<option value="">MONTH<\/option>/', $result);
+		$this->assertRegExp('/<option value="">YEAR<\/option>/', $result);
+		$this->assertRegExp('/<option value="">HOUR<\/option>/', $result);
+		$this->assertRegExp('/<option value="">MINUTE<\/option>/', $result);
+		$this->assertNotRegExp('/<option value=""><\/option>/', $result);
+
+		$result = $this->Form->dateTime('Contact.date',
+			'DMY',
+			'12',
+			array(
+				'empty' => array('day' => 'DAY', 'month' => 'MONTH', 'year' => 'YEAR')
+			)
+		);
+
+		$this->assertRegExp('/<option value="">DAY<\/option>/', $result);
+		$this->assertRegExp('/<option value="">MONTH<\/option>/', $result);
+		$this->assertRegExp('/<option value="">YEAR<\/option>/', $result);
+		$this->assertRegExp('/<select[^<>]+id="ContactDateHour">\s<option value=""><\/option>/', $result);
+		$this->assertRegExp('/<select[^<>]+id="ContactDateMin">\s<option value=""><\/option>/', $result);
+		$this->assertRegExp('/<select[^<>]+id="ContactDateMeridian">\s<option value=""><\/option>/', $result);
+	}
+
+/**
  * testFormDateTimeMulti method
  *
  * test multiple datetime element generation

lib/Cake/View/Helper/FormHelper.php

@@ -2259,6 +2259,17 @@ class FormHelper extends AppHelper {
 			}
 		}
 
+		if (is_array($attributes['empty'])) {
+			$attributes['empty'] += array(
+				'month' => true, 'year' => true, 'day' => true,
+				'hour' => true, 'minute' => true, 'meridian' => true
+			);
+			foreach ($elements as $element) {
+				$selectAttrName = 'select' . $element . 'Attr';
+				${$selectAttrName}['empty'] = $attributes['empty'][strtolower($element)];
+			}
+		}
+
 		$selects = array();
 		foreach (preg_split('//', $dateFormat, -1, PREG_SPLIT_NO_EMPTY) as $char) {
 			switch ($char) {