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-rw-r--r--includes/form.inc66
1 files changed, 33 insertions, 33 deletions
diff --git a/includes/form.inc b/includes/form.inc
index ea950cbca..51efc641c 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -8,11 +8,10 @@
*
* Drupal uses these functions to achieve consistency in its form presentation,
* while at the same time simplifying code and reducing the amount of HTML that
- * must be explicitly generated by modules. See the
- * <a href="http://drupaldocs.org/api/head/file/contributions/docs/developer/topics/forms_api_reference.html">reference</a>
- * and the
- * <a href="http://drupaldocs.org/api/file/contributions/docs/developer/topics/forms_api.html">quickstart</a>
- * guide for more.
+ * must be explicitly generated by modules. See the reference at
+ * http://drupaldocs.org/api/head/file/contributions/docs/developer/topics/forms_api_reference.html
+ * and the quickstart guide at
+ * http://drupaldocs.org/api/head/file/contributions/docs/developer/topics/forms_api.html
*/
/**
@@ -38,10 +37,10 @@ function element_children($element) {
}
/**
- * Processes a form array, and produces the HTML output of a form.
+ * Processes a form array and produces the HTML output of a form.
* If there is input in the $_POST['edit'] variable, this function
- * will attempt to validate it, using <code>drupal_validate_form</code>,
- * and then submit the form using <code>drupal_submit_form</code>.
+ * will attempt to validate it, using drupal_validate_form(),
+ * and then submit the form using drupal_submit_form().
*
* @param $form_id
* A unique string identifying the form. Allows each form to be themed.
@@ -140,7 +139,7 @@ function drupal_submit_form($form_id, $form, $callback = NULL) {
function _form_validate($elements, $form_id = NULL) {
/* Validate the current input */
if (!$elements['#validated'] && ($elements['#input'] || isset($form_id))) {
- // An empty checkbox returns 0, an empty textfield returns '' so we use empty().
+ // An empty checkbox returns 0 and an empty textfield returns '' so we use empty().
// Unfortunately, empty('0') returns TRUE so we need a special check for the '0' string.
if ($elements['#required'] && empty($elements['#value']) && $elements['#value'] !== '0') {
form_error($elements, t('%name field is required.', array('%name' => $elements['#title'])));
@@ -249,6 +248,7 @@ function _form_builder($form_id, $form) {
global $form_submitted;
/* Use element defaults */
if ((!empty($form['#type'])) && ($info = _element_info($form['#type']))) {
+ // overlay $info onto $form, retaining preexisting keys in $form
$form += $info;
}
@@ -293,7 +293,7 @@ function _form_builder($form_id, $form) {
}
}
- // Allow for elements to expand to multiple elements. Radios, checkboxes and files for instance.
+ // Allow for elements to expand to multiple elements, e.g. radios, checkboxes and files.
if (isset($form['#process']) && !$form['#processed']) {
foreach ($form['#process'] as $process => $args) {
if (function_exists($process)) {
@@ -325,7 +325,7 @@ function _form_builder($form_id, $form) {
$form[$key]['#parents'] = $form[$key]['#tree'] && $form['#tree'] ? array_merge($form['#parents'], array($key)) : array($key);
}
- # Assign a decimal placeholder weight, to preserve original array order
+ # Assign a decimal placeholder weight to preserve original array order
if (!isset($form[$key]['#weight'])) {
$form[$key]['#weight'] = $count/1000;
}
@@ -343,10 +343,10 @@ function _form_builder($form_id, $form) {
}
/**
- * Renders a HTML form given an form tree. Recursively iterates over each of
- * each of the form elements generating HTML code. This function is usually
+ * Renders a HTML form given a form tree. Recursively iterates over each of
+ * the form elements, generating HTML code. This function is usually
* called from within a theme. To render a form from within a module, use
- * <code>drupal_get_form()</code>.
+ * drupal_get_form().
*
* @param $elements
* The form tree describing the form.
@@ -392,7 +392,7 @@ function form_render(&$elements) {
}
/**
- * Function used by uasort in form render to sort form via weight.
+ * Function used by uasort in form_render() to sort form by weight.
*/
function _form_sort($a, $b) {
$a_weight = (is_array($a) && isset($a['#weight'])) ? $a['#weight'] : 0;
@@ -458,7 +458,7 @@ function form_options_flatten($array, $reset = TRUE) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, value, options, description, extra, multiple, required
+ * Properties used: title, value, options, description, extra, multiple, required
* @return
* A themed HTML string representing the form element.
*
@@ -469,7 +469,7 @@ function form_options_flatten($array, $reset = TRUE) {
function theme_select($element) {
$select = '';
$size = $element['#size'] ? ' size="' . $element['#size'] . '"' : '';
- // array_key_exists accomodates the rare event where $element['#value'] is NULL.
+ // array_key_exists() accomodates the rare event where $element['#value'] is NULL.
// isset() fails in this situation.
$value_valid = isset($element['#value']) || array_key_exists('#value', $element);
$value_is_array = is_array($element['#value']);
@@ -505,7 +505,7 @@ function theme_select($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : attributes, title, description, children, collapsible, collapsed
+ * Properties used: attributes, title, description, children, collapsible, collapsed
* @return
* A themed HTML string representing the form item group.
*/
@@ -529,7 +529,7 @@ function theme_fieldset($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : required, return_value, value, attributes, title, description
+ * Properties used: required, return_value, value, attributes, title, description
* @return
* A themed HTML string representing the form item group.
*/
@@ -551,7 +551,7 @@ function theme_radio($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, value, options, description, required and attributes.
+ * Properties used: title, value, options, description, required and attributes.
* @return
* A themed HTML string representing the radio button set.
*/
@@ -601,7 +601,7 @@ function password_confirm_after_build($form, $form_values, &$ref) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, value, options, description, required and attributes.
+ * Properties used: title, value, options, description, required and attributes.
* @return
* A themed HTML string representing the date selection boxes.
*/
@@ -677,8 +677,8 @@ function checkboxes_value(&$form) {
}
/**
- * Roll out a single radios element
- * to a list of radios, using the options array as index.
+ * Roll out a single radios element to a list of radios,
+ * using the options array as index.
*/
function expand_radios($element) {
if (count($element['#options']) > 0) {
@@ -697,7 +697,7 @@ function expand_radios($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, value, description, required, error
+ * Properties used: title, value, description, required, error
* @return
* A themed HTML string representing the form item.
*/
@@ -711,7 +711,7 @@ function theme_item($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, value, return_value, description, required
+ * Properties used: title, value, return_value, description, required
* @return
* A themed HTML string representing the checkbox.
*/
@@ -779,7 +779,7 @@ function theme_button($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : value, edit
+ * Properties used: value, edit
* @return
* A themed HTML string representing the hidden form field.
*/
@@ -792,7 +792,7 @@ function theme_hidden($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, value, description, size, maxlength, required, attributes autocomplete_path
+ * Properties used: title, value, description, size, maxlength, required, attributes autocomplete_path
* @return
* A themed HTML string representing the textfield.
*/
@@ -813,7 +813,7 @@ function theme_textfield($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : action, method, attributes, children
+ * Properties used: action, method, attributes, children
* @return
* A themed HTML string representing the form.
*/
@@ -829,7 +829,7 @@ function theme_form($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, value, description, rows, cols, required, attributes
+ * Properties used: title, value, description, rows, cols, required, attributes
* @return
* A themed HTML string representing the textarea.
*/
@@ -852,7 +852,7 @@ function theme_textarea($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : prefix, value, children and suffix.
+ * Properties used: prefix, value, children and suffix.
* @return
* A themed HTML string representing the HTML markup.
*/
@@ -868,7 +868,7 @@ function theme_markup($element) {
*
* @param $element
* An associative array containing the properties of the element.
-* Properties used : title, value, description, size, maxlength, required, attributes
+* Properties used: title, value, description, size, maxlength, required, attributes
* @return
* A themed HTML string representing the form.
*/
@@ -885,7 +885,7 @@ function theme_password($element) {
*
* @param $element
* An associative array containing the properties of the element.
- * Properties used : title, delta, description
+ * Properties used: title, delta, description
* @return
* A themed HTML string representing the form.
*/
@@ -926,7 +926,7 @@ function _form_get_class($name, $required, $error) {
}
/**
- * Remove invalid characters from an HTML ID attribute string
+ * Remove invalid characters from an HTML ID attribute string.
*
* @param $id
* The ID to clean