Making empty string create empty submit buttons. This applies to both Form->submit() and Form->end(). Tests added. Fixes #1569

Author: markstory

cake/libs/view/helpers/form.php

@@ -363,10 +363,6 @@ function end($options = null) {
 					unset($options['label']);
 				}
 				$submitOptions = $options;
-
-				if (!$submit) {
-					$submit = __('Submit', true);
-				}
 			}
 			$out .= $this->submit($submit, $submitOptions);
 		}
@@ -1309,7 +1305,7 @@ function button($title, $options = array()) {
  * @link http://book.cakephp.org/view/1431/submit
  */
 	function submit($caption = null, $options = array()) {
-		if (!$caption) {
+		if (!is_string($caption) && empty($caption)) {
 			$caption = __('Submit', true);
 		}
 		$out = null;

cake/tests/cases/libs/view/helpers/form.test.php

@@ -5284,6 +5284,14 @@ function testButton() {
  * @return void
  */
 	function testSubmitButton() {
+		$result = $this->Form->submit('');
+		$expected = array(
+			'div' => array('class' => 'submit'),
+			'input' => array('type' => 'submit', 'value' => ''),
+			'/div'
+		);
+		$this->assertTags($result, $expected);
+
 		$result = $this->Form->submit('Test Submit');
 		$expected = array(
 			'div' => array('class' => 'submit'),
@@ -6333,6 +6341,24 @@ function testFormMagicInputLabel() {
 	function testFormEnd() {
 		$this->assertEqual($this->Form->end(), '</form>');
 
+		$result = $this->Form->end('');
+		$expected = array(
+			'div' => array('class' => 'submit'),
+			'input' => array('type' => 'submit', 'value' => ''),
+			'/div',
+			'/form'
+		);
+		$this->assertTags($result, $expected);
+		
+		$result = $this->Form->end(array('label' => ''));
+		$expected = array(
+			'div' => array('class' => 'submit'),
+			'input' => array('type' => 'submit', 'value' => ''),
+			'/div',
+			'/form'
+		);
+		$this->assertTags($result, $expected);
+
 		$result = $this->Form->end('save');
 		$expected = array(
 			'div' => array('class' => 'submit'),