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-rw-r--r--includes/common.inc502
1 files changed, 288 insertions, 214 deletions
diff --git a/includes/common.inc b/includes/common.inc
index 6cdd22bde..7dff3caec 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -70,8 +70,7 @@ define('CSS_DEFAULT', 0);
define('CSS_THEME', 100);
/**
- * The default group for JavaScript libraries, settings or jQuery plugins added
- * to the page.
+ * The default group for JavaScript and jQuery libraries added to the page.
*/
define('JS_LIBRARY', -100);
@@ -86,8 +85,9 @@ define('JS_DEFAULT', 0);
define('JS_THEME', 100);
/**
- * Error code indicating that the request made by drupal_http_request() exceeded
- * the specified timeout.
+ * Error code indicating that the request exceeded the specified timeout.
+ *
+ * @see drupal_http_request()
*/
define('HTTP_REQUEST_TIMEOUT', -1);
@@ -110,31 +110,36 @@ define('HTTP_REQUEST_TIMEOUT', -1);
*/
/**
- * The block should not get cached. This setting should be used:
- * - for simple blocks (notably those that do not perform any db query),
- * where querying the db cache would be more expensive than directly generating
- * the content.
- * - for blocks that change too frequently.
+ * The block should not get cached.
+ *
+ * This setting should be used:
+ * - For simple blocks (notably those that do not perform any db query), where
+ * querying the db cache would be more expensive than directly generating the
+ * content.
+ * - For blocks that change too frequently.
*/
define('DRUPAL_NO_CACHE', -1);
/**
- * The block is handling its own caching in its hook_block_view(). From the
- * perspective of the block cache system, this is equivalent to DRUPAL_NO_CACHE.
- * Useful when time based expiration is needed or a site uses a node access
- * which invalidates standard block cache.
+ * The block is handling its own caching in its hook_block_view().
+ *
+ * From the perspective of the block cache system, this is equivalent to
+ * DRUPAL_NO_CACHE. Useful when time based expiration is needed or a site uses
+ * a node access which invalidates standard block cache.
*/
define('DRUPAL_CACHE_CUSTOM', -2);
/**
- * The block or element can change depending on the roles the user viewing the
- * page belongs to. This is the default setting for blocks, used when the block
- * does not specify anything.
+ * The block or element can change depending on the user's roles.
+ *
+ * This is the default setting for blocks, used when the block does not specify
+ * anything.
*/
define('DRUPAL_CACHE_PER_ROLE', 0x0001);
/**
- * The block or element can change depending on the user viewing the page.
+ * The block or element can change depending on the user.
+ *
* This setting can be resource-consuming for sites with large number of users,
* and thus should only be used when DRUPAL_CACHE_PER_ROLE is not sufficient.
*/
@@ -146,12 +151,12 @@ define('DRUPAL_CACHE_PER_USER', 0x0002);
define('DRUPAL_CACHE_PER_PAGE', 0x0004);
/**
- * The block or element is the same for every user on every page where it is visible.
+ * The block or element is the same for every user and page that it is visible.
*/
define('DRUPAL_CACHE_GLOBAL', 0x0008);
/**
- * Add content to a specified region.
+ * Adds content to a specified region.
*
* @param $region
* Page region the content is added to.
@@ -168,7 +173,7 @@ function drupal_add_region_content($region = NULL, $data = NULL) {
}
/**
- * Get assigned content for a given region.
+ * Gets assigned content for a given region.
*
* @param $region
* A specified region to fetch content for. If NULL, all regions will be
@@ -194,13 +199,13 @@ function drupal_get_region_content($region = NULL, $delimiter = ' ') {
}
/**
- * Get the name of the currently active install profile.
+ * Gets the name of the currently active install profile.
*
* When this function is called during Drupal's initial installation process,
* the name of the profile that's about to be installed is stored in the global
* installation state. At all other times, the standard Drupal systems variable
- * table contains the name of the current profile, and we can call variable_get()
- * to determine what one is active.
+ * table contains the name of the current profile, and we can call
+ * variable_get() to determine what one is active.
*
* @return $profile
* The name of the install profile.
@@ -220,7 +225,7 @@ function drupal_get_profile() {
/**
- * Set the breadcrumb trail for the current page.
+ * Sets the breadcrumb trail for the current page.
*
* @param $breadcrumb
* Array of links, starting with "home" and proceeding up to but not including
@@ -236,7 +241,7 @@ function drupal_set_breadcrumb($breadcrumb = NULL) {
}
/**
- * Get the breadcrumb trail for the current page.
+ * Gets the breadcrumb trail for the current page.
*/
function drupal_get_breadcrumb() {
$breadcrumb = drupal_set_breadcrumb();
@@ -265,7 +270,7 @@ function drupal_get_rdf_namespaces() {
}
/**
- * Add output to the head tag of the HTML page.
+ * Adds output to the HEAD tag of the HTML page.
*
* This function can be called as long the headers aren't sent. Pass no
* arguments (or NULL for both) to retrieve the currently stored elements.
@@ -333,7 +338,7 @@ function _drupal_default_html_head() {
}
/**
- * Retrieve output to be displayed in the HEAD tag of the HTML page.
+ * Retrieves output to be displayed in the HEAD tag of the HTML page.
*/
function drupal_get_html_head() {
$elements = drupal_add_html_head();
@@ -342,7 +347,7 @@ function drupal_get_html_head() {
}
/**
- * Add a feed URL for the current page.
+ * Adds a feed URL for the current page.
*
* This function can be called as long the HTML header hasn't been sent.
*
@@ -370,7 +375,7 @@ function drupal_add_feed($url = NULL, $title = '') {
}
/**
- * Get the feed URLs for the current page.
+ * Gets the feed URLs for the current page.
*
* @param $delimiter
* A delimiter to split feeds by.
@@ -387,7 +392,7 @@ function drupal_get_feeds($delimiter = "\n") {
*/
/**
- * Process a URL query parameter array to remove unwanted elements.
+ * Processes a URL query parameter array to remove unwanted elements.
*
* @param $query
* (optional) An array to be processed. Defaults to $_GET.
@@ -432,7 +437,7 @@ function drupal_get_query_parameters(array $query = NULL, array $exclude = array
}
/**
- * Split an URL-encoded query string into an array.
+ * Splits a URL-encoded query string into an array.
*
* @param $query
* The query string to split.
@@ -452,7 +457,7 @@ function drupal_get_query_array($query) {
}
/**
- * Parse an array into a valid, rawurlencoded query string.
+ * Parses an array into a valid, rawurlencoded query string.
*
* This differs from http_build_query() as we need to rawurlencode() (instead of
* urlencode()) all query parameters.
@@ -493,7 +498,7 @@ function drupal_http_build_query(array $query, $parent = '') {
}
/**
- * Prepare a 'destination' URL query parameter for use in combination with drupal_goto().
+ * Prepares a 'destination' URL query parameter for use with drupal_goto().
*
* Used to direct the user back to the referring page after completing a form.
* By default the current URL is returned. If a destination exists in the
@@ -524,7 +529,7 @@ function drupal_get_destination() {
}
/**
- * Wrapper around parse_url() to parse a system URL string into an associative array, suitable for url().
+ * Parses a system URL string into an associative array suitable for url().
*
* This function should only be used for URLs that have been generated by the
* system, resp. url(). It should not be used for URLs that come from external
@@ -621,7 +626,7 @@ function drupal_encode_path($path) {
}
/**
- * Send the user to a different Drupal page.
+ * Sends the user to a different Drupal page.
*
* This issues an on-site HTTP redirect. The function makes sure the redirected
* URL is formatted correctly.
@@ -686,7 +691,7 @@ function drupal_goto($path = '', array $options = array(), $http_response_code =
}
/**
- * Deliver a "site is under maintenance" message to the browser.
+ * Delivers a "site is under maintenance" message to the browser.
*
* Page callback functions wanting to report a "site offline" message should
* return MENU_SITE_OFFLINE instead of calling drupal_site_offline(). However,
@@ -698,7 +703,7 @@ function drupal_site_offline() {
}
/**
- * Deliver a "page not found" error to the browser.
+ * Delivers a "page not found" error to the browser.
*
* Page callback functions wanting to report a "page not found" message should
* return MENU_NOT_FOUND instead of calling drupal_not_found(). However,
@@ -710,19 +715,20 @@ function drupal_not_found() {
}
/**
- * Deliver a "access denied" error to the browser.
+ * Delivers an "access denied" error to the browser.
*
* Page callback functions wanting to report an "access denied" message should
* return MENU_ACCESS_DENIED instead of calling drupal_access_denied(). However,
* functions that are invoked in contexts where that return value might not
- * bubble up to menu_execute_active_handler() should call drupal_access_denied().
+ * bubble up to menu_execute_active_handler() should call
+ * drupal_access_denied().
*/
function drupal_access_denied() {
drupal_deliver_page(MENU_ACCESS_DENIED);
}
/**
- * Perform an HTTP request.
+ * Performs an HTTP request.
*
* This is a flexible and powerful HTTP client implementation. Correctly
* handles GET, POST, PUT or any other HTTP requests. Handles redirects.
@@ -1023,6 +1029,14 @@ function drupal_http_request($url, array $options = array()) {
* @} End of "HTTP handling".
*/
+/**
+ * Strips slashes from a string or array of strings.
+ *
+ * Callback for array_walk() within fix_gpx_magic().
+ *
+ * @param $item
+ * An individual string or array of strings from superglobals.
+ */
function _fix_gpc_magic(&$item) {
if (is_array($item)) {
array_walk($item, '_fix_gpc_magic');
@@ -1033,11 +1047,19 @@ function _fix_gpc_magic(&$item) {
}
/**
- * Helper function to strip slashes from $_FILES skipping over the tmp_name keys
- * since PHP generates single backslashes for file paths on Windows systems.
+ * Strips slashes from $_FILES items.
*
- * tmp_name does not have backslashes added see
- * http://php.net/manual/en/features.file-upload.php#42280
+ * Callback for array_walk() within fix_gpc_magic().
+ *
+ * The tmp_name key is skipped keys since PHP generates single backslashes for
+ * file paths on Windows systems.
+ *
+ * @param $item
+ * An item from $_FILES.
+ * @param $key
+ * The key for the item within $_FILES.
+ *
+ * @see http://php.net/manual/en/features.file-upload.php#42280
*/
function _fix_gpc_magic_files(&$item, $key) {
if ($key != 'tmp_name') {
@@ -1051,7 +1073,10 @@ function _fix_gpc_magic_files(&$item, $key) {
}
/**
- * Fix double-escaping problems caused by "magic quotes" in some PHP installations.
+ * Fixes double-escaping caused by "magic quotes" in some PHP installations.
+ *
+ * @see _fix_gpc_magic()
+ * @see _fix_gpc_magic_files()
*/
function fix_gpc_magic() {
static $fixed = FALSE;
@@ -1072,12 +1097,13 @@ function fix_gpc_magic() {
*/
/**
- * Verify the syntax of the given e-mail address.
+ * Verifies the syntax of the given e-mail address.
*
* Empty e-mail addresses are allowed. See RFC 2822 for details.
*
* @param $mail
* A string containing an e-mail address.
+ *
* @return
* TRUE if the address is in a valid format.
*/
@@ -1086,7 +1112,7 @@ function valid_email_address($mail) {
}
/**
- * Verify the syntax of the given URL.
+ * Verifies the syntax of the given URL.
*
* This function should only be used on actual URLs. It should not be used for
* Drupal menu paths, which can contain arbitrary characters.
@@ -1095,6 +1121,7 @@ function valid_email_address($mail) {
* The URL to verify.
* @param $absolute
* Whether the URL is absolute (beginning with a scheme such as "http:").
+ *
* @return
* TRUE if the URL is in a valid format.
*/
@@ -1127,7 +1154,7 @@ function valid_url($url, $absolute = FALSE) {
*/
/**
- * Register an event for the current visitor to the flood control mechanism.
+ * Registers an event for the current visitor to the flood control mechanism.
*
* @param $name
* The name of an event.
@@ -1154,7 +1181,7 @@ function flood_register_event($name, $window = 3600, $identifier = NULL) {
}
/**
- * Make the flood control mechanism forget about an event for the current visitor.
+ * Makes the flood control mechanism forget an event for the current visitor.
*
* @param $name
* The name of an event.
@@ -1172,7 +1199,7 @@ function flood_clear_event($name, $identifier = NULL) {
}
/**
- * Checks whether user is allowed to proceed with the specified event.
+ * Checks whether a user is allowed to proceed with the specified event.
*
* Events can have thresholds saying that each user can only do that event
* a certain number of times in a time window. This function verifies that the
@@ -1266,7 +1293,7 @@ function drupal_strip_dangerous_protocols($uri) {
}
/**
- * Strips dangerous protocols (e.g. 'javascript:') from a URI and encodes it for output to an HTML attribute value.
+ * Strips dangerous protocols from a URI and encodes it for output to HTML.
*
* @param $uri
* A plain-text URI that might contain dangerous protocols.
@@ -1286,7 +1313,7 @@ function check_url($uri) {
}
/**
- * Very permissive XSS/HTML filter for admin-only use.
+ * Applies a very permissive XSS/HTML filter for admin-only use.
*
* Use only for fields where it is impractical to use the
* whole filter system, but where some (mainly inline) mark-up
@@ -1300,7 +1327,7 @@ function filter_xss_admin($string) {
}
/**
- * Filters an HTML string to prevent cross-site-scripting (XSS) vulnerabilities.
+ * Filters HTML to prevent cross-site-scripting (XSS) vulnerabilities.
*
* Based on kses by Ulf Harnhammar, see http://sourceforge.net/projects/kses.
* For examples of various XSS attacks, see: http://ha.ckers.org/xss.html.
@@ -1369,6 +1396,7 @@ function filter_xss($string, $allowed_tags = array('a', 'em', 'strong', 'cite',
* If $store is FALSE then the array has one element, the HTML tag to process.
* @param $store
* Whether to store $m.
+ *
* @return
* If the element isn't allowed, an empty string. Otherwise, the cleaned up
* version of the HTML element.
@@ -1536,15 +1564,16 @@ function _filter_xss_attributes($attr) {
}
/**
- * Processes an HTML attribute value and ensures it does not contain an URL with a disallowed protocol (e.g. javascript:).
+ * Processes an HTML attribute value and strips dangerous protocols from URLs.
*
* @param $string
* The string with the attribute value.
* @param $decode
- * (Deprecated) Whether to decode entities in the $string. Set to FALSE if the
+ * (deprecated) Whether to decode entities in the $string. Set to FALSE if the
* $string is in plain text, TRUE otherwise. Defaults to TRUE. This parameter
* is deprecated and will be removed in Drupal 8. To process a plain-text URI,
* call drupal_strip_dangerous_protocols() or check_url() instead.
+ *
* @return
* Cleaned up and HTML-escaped version of $string.
*/
@@ -1598,7 +1627,7 @@ function format_rss_channel($title, $link, $description, $items, $langcode = NUL
}
/**
- * Format a single RSS item.
+ * Formats a single RSS item.
*
* Arbitrary elements may be added using the $args associative array.
*/
@@ -1614,7 +1643,7 @@ function format_rss_item($title, $link, $description, $args = array()) {
}
/**
- * Format XML elements.
+ * Formats XML elements.
*
* @param $array
* An array where each item represents an element and is either a:
@@ -1653,7 +1682,7 @@ function format_xml_elements($array) {
}
/**
- * Format a string containing a count of items.
+ * Formats a string containing a count of items.
*
* This function ensures that the string is pluralized correctly. Since t() is
* called by this function, make sure not to pass already-localized strings to
@@ -1675,31 +1704,27 @@ function format_xml_elements($array) {
* @param $count
* The item count to display.
* @param $singular
- * The string for the singular case. Please make sure it is clear this is
- * singular, to ease translation (e.g. use "1 new comment" instead of "1 new").
- * Do not use @count in the singular string.
+ * The string for the singular case. Make sure it is clear this is singular,
+ * to ease translation (e.g. use "1 new comment" instead of "1 new"). Do not
+ * use @count in the singular string.
* @param $plural
- * The string for the plural case. Please make sure it is clear this is plural,
- * to ease translation. Use @count in place of the item count, as in "@count
- * new comments".
+ * The string for the plural case. Make sure it is clear this is plural, to
+ * ease translation. Use @count in place of the item count, as in
+ * "@count new comments".
* @param $args
- * An associative array of replacements to make after translation. Incidences
+ * An associative array of replacements to make after translation. Instances
* of any key in this array are replaced with the corresponding value.
- * Based on the first character of the key, the value is escaped and/or themed:
- * - !variable: inserted as is
- * - @variable: escape plain text to HTML (check_plain)
- * - %variable: escape text and theme as a placeholder for user-submitted
- * content (check_plain + drupal_placeholder)
- * Note that you do not need to include @count in this array.
- * This replacement is done automatically for the plural case.
+ * Based on the first character of the key, the value is escaped and/or
+ * themed. See format_string(). Note that you do not need to include @count
+ * in this array; this replacement is done automatically for the plural case.
* @param $options
- * An associative array of additional options, with the following keys:
- * - 'langcode' (default to the current language) The language code to
- * translate to a language other than what is used to display the page.
- * - 'context' (default to the empty context) The context the source string
- * belongs to.
+ * An associative array of additional options. See t() for allowed keys.
+ *
* @return
* A translated string.
+ *
+ * @see t()
+ * @see format_string()
*/
function format_plural($count, $singular, $plural, array $args = array(), array $options = array()) {
$args['@count'] = $count;
@@ -1728,11 +1753,12 @@ function format_plural($count, $singular, $plural, array $args = array(), array
}
/**
- * Parse a given byte count.
+ * Parses a given byte count.
*
* @param $size
* A size expressed as a number of bytes with optional SI or IEC binary unit
* prefix (e.g. 2, 3K, 5MB, 10G, 6GiB, 8 bytes, 9mbytes).
+ *
* @return
* An integer representation of the size in bytes.
*/
@@ -1749,13 +1775,14 @@ function parse_size($size) {
}
/**
- * Generate a string representation for the given byte count.
+ * Generates a string representation for the given byte count.
*
* @param $size
* A size in bytes.
* @param $langcode
* Optional language code to translate to a language other than what is used
* to display the page.
+ *
* @return
* A translated string representation of the size.
*/
@@ -1788,7 +1815,7 @@ function format_size($size, $langcode = NULL) {
}
/**
- * Format a time interval with the requested granularity.
+ * Formats a time interval with the requested granularity.
*
* @param $timestamp
* The length of the interval in seconds.
@@ -1797,6 +1824,7 @@ function format_size($size, $langcode = NULL) {
* @param $langcode
* Optional language code to translate to a language other than
* what is used to display the page.
+ *
* @return
* A translated string representation of the interval.
*/
@@ -1928,10 +1956,11 @@ function format_date($timestamp, $type = 'medium', $format = '', $timezone = NUL
/**
* Returns an ISO8601 formatted date based on the given date.
*
- * Can be used as a callback for RDF mappings.
+ * Callback for use within hook_rdf_mapping() implementations.
*
* @param $date
* A UNIX timestamp.
+ *
* @return string
* An ISO8601 formatted date.
*/
@@ -1942,7 +1971,9 @@ function date_iso8601($date) {
}
/**
- * Callback function for preg_replace_callback().
+ * Translates a formatted date string.
+ *
+ * Callback for preg_replace_callback() within format_date().
*/
function _format_date_callback(array $matches = NULL, $new_langcode = NULL) {
// We cache translations to avoid redundant and rather costly calls to t().
@@ -2057,8 +2088,8 @@ function format_username($account) {
* Drupal on a web server that cannot be configured to automatically find
* index.php, then hook_url_outbound_alter() can be implemented to force
* this value to 'index.php'.
- * - 'entity_type': The entity type of the object that called url(). Only set if
- * url() is invoked by entity_uri().
+ * - 'entity_type': The entity type of the object that called url(). Only
+ * set if url() is invoked by entity_uri().
* - 'entity': The entity object (such as a node) for which the URL is being
* generated. Only set if url() is invoked by entity_uri().
*
@@ -2183,7 +2214,7 @@ function url($path = NULL, array $options = array()) {
}
/**
- * Return TRUE if a path is external to Drupal (e.g. http://example.com).
+ * Returns TRUE if a path is external to Drupal (e.g. http://example.com).
*
* If a path cannot be assessed by Drupal's menu handler, then we must
* treat it as potentially insecure.
@@ -2191,6 +2222,7 @@ function url($path = NULL, array $options = array()) {
* @param $path
* The internal path or external URL being linked to, such as "node/34" or
* "http://example.com/foo".
+ *
* @return
* Boolean TRUE or FALSE, where TRUE indicates an external path.
*/
@@ -2203,7 +2235,7 @@ function url_is_external($path) {
}
/**
- * Format an attribute string for a HTTP header.
+ * Formats an attribute string for an HTTP header.
*
* @param $attributes
* An associative array of attributes such as 'rel'.
@@ -2225,7 +2257,7 @@ function drupal_http_header_attributes(array $attributes = array()) {
}
/**
- * Converts an associative array to an attribute string for use in XML/HTML tags.
+ * Converts an associative array to an XML/HTML tag attribute string.
*
* Each array key and its value will be formatted into an attribute string.
* If a value is itself an array, then its elements are concatenated to a single
@@ -2446,7 +2478,7 @@ function drupal_deliver_page($page_callback_result, $default_delivery_callback =
}
/**
- * Package and send the result of a page callback to the browser as HTML.
+ * Packages and sends the result of a page callback to the browser as HTML.
*
* @param $page_callback_result
* The result of a page callback. Can be one of:
@@ -2555,7 +2587,7 @@ function drupal_deliver_html_page($page_callback_result) {
}
/**
- * Perform end-of-request tasks.
+ * Performs end-of-request tasks.
*
* This function sets the page cache if appropriate, and allows modules to
* react to the closing of the page by calling hook_exit().
@@ -2582,7 +2614,7 @@ function drupal_page_footer() {
}
/**
- * Perform end-of-request tasks.
+ * Performs end-of-request tasks.
*
* In some cases page requests need to end without calling drupal_page_footer().
* In these cases, call drupal_exit() instead. There should rarely be a reason
@@ -2604,7 +2636,7 @@ function drupal_exit($destination = NULL) {
}
/**
- * Form an associative array from a linear array.
+ * Forms an associative array from a linear array.
*
* This function walks through the provided array and constructs an associative
* array out of it. The keys of the resulting array will be the values of the
@@ -2680,10 +2712,10 @@ function drupal_get_path($type, $name) {
}
/**
- * Return the base URL path (i.e., directory) of the Drupal installation.
+ * Returns the base URL path (i.e., directory) of the Drupal installation.
*
- * base_path() prefixes and suffixes a "/" onto the returned path if the path is
- * not empty. At the very least, this will return "/".
+ * base_path() adds a "/" to the beginning and end of the returned path if the
+ * path is not empty. At the very least, this will return "/".
*
* Examples:
* - http://example.com returns "/" because the path is empty.
@@ -2694,12 +2726,12 @@ function base_path() {
}
/**
- * Add a LINK tag with a distinct 'rel' attribute to the page's HEAD.
+ * Adds a LINK tag with a distinct 'rel' attribute to the page's HEAD.
*
- * This function can be called as long the HTML header hasn't been sent,
- * which on normal pages is up through the preprocess step of theme('html').
- * Adding a link will overwrite a prior link with the exact same 'rel' and
- * 'href' attributes.
+ * This function can be called as long the HTML header hasn't been sent, which
+ * on normal pages is up through the preprocess step of theme('html'). Adding
+ * a link will overwrite a prior link with the exact same 'rel' and 'href'
+ * attributes.
*
* @param $attributes
* Associative array of element attributes including 'href' and 'rel'.
@@ -2763,8 +2795,8 @@ function drupal_add_html_head_link($attributes, $header = FALSE) {
* See drupal_get_css() where the overrides are performed. Also, if the
* direction of the current language is right-to-left (Hebrew, Arabic,
* etc.), the function will also look for an RTL CSS file and append it to
- * the list. The name of this file should have an '-rtl.css' suffix. For
- * example a CSS file called 'mymodule-name.css' will have a
+ * the list. The name of this file should have an '-rtl.css' suffix. For
+ * example, a CSS file called 'mymodule-name.css' will have a
* 'mymodule-name-rtl.css' file added to the list, if exists in the same
* directory. This CSS file should contain overrides for properties which
* should be reversed or otherwise different in a right-to-left display.
@@ -2896,7 +2928,7 @@ function drupal_add_css($data = NULL, $options = NULL) {
}
/**
- * Returns a themed representation of all stylesheets that should be attached to the page.
+ * Returns a themed representation of all stylesheets to attach to the page.
*
* It loads the CSS in order, with 'module' first, then 'theme' afterwards.
* This ensures proper cascading of styles so themes can easily override
@@ -2966,11 +2998,24 @@ function drupal_get_css($css = NULL, $skip_alter = FALSE) {
}
/**
- * Function used by uasort to sort the array structures returned by drupal_add_css() and drupal_add_js().
+ * Sorts CSS and JavaScript resources.
+ *
+ * Callback for uasort() within:
+ * - drupal_get_css()
+ * - drupal_get_js()
*
* This sort order helps optimize front-end performance while providing modules
* and themes with the necessary control for ordering the CSS and JavaScript
* appearing on a page.
+ *
+ * @param $a
+ * First item for comparison. The compared items should be associative arrays
+ * of member items from drupal_add_css() or drupal_add_js().
+ * @param $b
+ * Second item for comparison.
+ *
+ * @see drupal_add_css()
+ * @see drupal_add_js()
*/
function drupal_sort_css_js($a, $b) {
// First order by group, so that, for example, all items in the CSS_SYSTEM
@@ -3037,6 +3082,7 @@ function drupal_sort_css_js($a, $b) {
* 'items' key, which is the subset of items from $css that are in the group.
*
* @see drupal_pre_render_styles()
+ * @see system_element_info()
*/
function drupal_group_css($css) {
$groups = array();
@@ -3119,6 +3165,7 @@ function drupal_group_css($css) {
*
* @see drupal_group_css()
* @see drupal_pre_render_styles()
+ * @see system_element_info()
*/
function drupal_aggregate_css(&$css_groups) {
$preprocess_css = (variable_get('preprocess_css', FALSE) && (!defined('MAINTENANCE_MODE') || MAINTENANCE_MODE != 'update'));
@@ -3380,8 +3427,8 @@ function drupal_pre_render_styles($elements) {
* in $css while the value is the cache file name. The cache file is generated
* in two cases. First, if there is no file name value for the key, which will
* happen if a new file name has been added to $css or after the lookup
- * variable is emptied to force a rebuild of the cache. Second, the cache
- * file is generated if it is missing on disk. Old cache files are not deleted
+ * variable is emptied to force a rebuild of the cache. Second, the cache file
+ * is generated if it is missing on disk. Old cache files are not deleted
* immediately when the lookup variable is emptied, but are deleted after a set
* period by drupal_delete_file_if_stale(). This ensures that files referenced
* by a cached page will still be available.
@@ -3459,9 +3506,7 @@ function drupal_build_css_cache($css) {
}
/**
- * Helper function for drupal_build_css_cache().
- *
- * This function will prefix all paths within a CSS file.
+ * Prefixes all paths within a CSS file for drupal_build_css_cache().
*/
function _drupal_build_css_path($matches, $base = NULL) {
$_base = &drupal_static(__FUNCTION__);
@@ -3532,13 +3577,14 @@ function drupal_load_stylesheet($file, $optimize = NULL, $reset_basepath = TRUE)
}
/**
- * Process the contents of a stylesheet for aggregation.
+ * Processes the contents of a stylesheet for aggregation.
*
* @param $contents
* The contents of the stylesheet.
* @param $optimize
* (optional) Boolean whether CSS contents should be minified. Defaults to
* FALSE.
+ *
* @return
* Contents of the stylesheet including the imported stylesheets.
*/
@@ -3634,7 +3680,7 @@ function drupal_delete_file_if_stale($uri) {
}
/**
- * Prepare a string for use as a valid CSS identifier (element, class or ID name).
+ * Prepares a string for use as a CSS identifier (element, class, or ID name).
*
* http://www.w3.org/TR/CSS21/syndata.html#characters shows the syntax for valid
* CSS identifiers (including element names, classes, and IDs in selectors.)
@@ -3643,6 +3689,7 @@ function drupal_delete_file_if_stale($uri) {
* The identifier to clean.
* @param $filter
* An array of string replacements to use on the identifier.
+ *
* @return
* The cleaned identifier.
*/
@@ -3664,13 +3711,14 @@ function drupal_clean_css_identifier($identifier, $filter = array(' ' => '-', '_
}
/**
- * Prepare a string for use as a valid class name.
+ * Prepares a string for use as a valid class name.
*
* Do not pass one string containing multiple classes as they will be
* incorrectly concatenated with dashes, i.e. "one two" will become "one-two".
*
* @param $class
* The class name to clean.
+ *
* @return
* The cleaned class name.
*/
@@ -3679,7 +3727,7 @@ function drupal_html_class($class) {
}
/**
- * Prepare a string for use as a valid HTML ID and guarantee uniqueness.
+ * Prepares a string for use as a valid HTML ID and guarantees uniqueness.
*
* This function ensures that each passed HTML ID value only exists once on the
* page. By tracking the already returned ids, this function enables forms,
@@ -3810,7 +3858,7 @@ function drupal_region_class($region) {
* to tell the user that a new message arrived, by opening a pop up, alert
* box, etc.). This should only be used for JavaScript that cannot be executed
* from a file. When adding inline code, make sure that you are not relying on
- * $() being the jQuery function. Wrap your code in
+ * $() being the jQuery function. Wrap your code in
* @code (function ($) {... })(jQuery); @endcode
* or use jQuery() instead of $().
* - Add external JavaScript ('external'): Allows the inclusion of external
@@ -3930,7 +3978,7 @@ function drupal_region_class($region) {
* happened later in the page request gets added to the page after one for
* which drupal_add_js() happened earlier in the page request.
* - defer: If set to TRUE, the defer attribute is set on the <script>
- * tag. Defaults to FALSE.
+ * tag. Defaults to FALSE.
* - cache: If set to FALSE, the JavaScript file is loaded anew on every page
* call; in other words, it is not cached. Used only when 'type' references
* a JavaScript file. Defaults to TRUE.
@@ -4027,6 +4075,7 @@ function drupal_add_js($data = NULL, $options = NULL) {
*
* @param $data
* (optional) The default data parameter for the JavaScript item array.
+ *
* @see drupal_get_js()
* @see drupal_add_js()
*/
@@ -4070,8 +4119,10 @@ function drupal_js_defaults($data = NULL) {
* (optional) If set to TRUE, this function skips calling drupal_alter() on
* $javascript, useful when the calling function passes a $javascript array
* that has already been altered.
+ *
* @return
* All JavaScript code segments and includes for the scope as HTML tags.
+ *
* @see drupal_add_js()
* @see locale_js_alter()
* @see drupal_js_defaults()
@@ -4243,7 +4294,7 @@ function drupal_get_js($scope = 'header', $javascript = NULL, $skip_alter = FALS
* );
* @endcode
*
- * 'js', 'css', and 'library' are types that get special handling. For any
+ * 'js', 'css', and 'library' are types that get special handling. For any
* other kind of attached data, the array key must be the full name of the
* callback function and each value an array of arguments. For example:
* @code
@@ -4594,16 +4645,16 @@ function drupal_get_library($module, $name = NULL) {
}
/**
- * Assist in adding the tableDrag JavaScript behavior to a themed table.
+ * Assists in adding the tableDrag JavaScript behavior to a themed table.
*
* Draggable tables should be used wherever an outline or list of sortable items
* needs to be arranged by an end-user. Draggable tables are very flexible and
* can manipulate the value of form elements placed within individual columns.
*
- * To set up a table to use drag and drop in place of weight select-lists or
- * in place of a form that contains parent relationships, the form must be
- * themed into a table. The table must have an id attribute set. If using
- * theme_table(), the id may be set as such:
+ * To set up a table to use drag and drop in place of weight select-lists or in
+ * place of a form that contains parent relationships, the form must be themed
+ * into a table. The table must have an ID attribute set. If using
+ * theme_table(), the ID may be set as follows:
* @code
* $output = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('id' => 'my-module-table')));
* return $output;
@@ -4618,8 +4669,8 @@ function drupal_get_library($module, $name = NULL) {
* $form['my_elements'][$delta]['weight']['#attributes']['class'] = array('my-elements-weight');
* @endcode
*
- * Each row of the table must also have a class of "draggable" in order to enable the
- * drag handles:
+ * Each row of the table must also have a class of "draggable" in order to
+ * enable the drag handles:
* @code
* $row = array(...);
* $rows[] = array(
@@ -4639,8 +4690,8 @@ function drupal_get_library($module, $name = NULL) {
* @endcode
*
* In a more complex case where there are several groups in one column (such as
- * the block regions on the admin/structure/block page), a separate subgroup class
- * must also be added to differentiate the groups.
+ * the block regions on the admin/structure/block page), a separate subgroup
+ * class must also be added to differentiate the groups.
* @code
* $form['my_elements'][$region][$delta]['weight']['#attributes']['class'] = array('my-elements-weight', 'my-elements-weight-' . $region);
* @endcode
@@ -4657,14 +4708,14 @@ function drupal_get_library($module, $name = NULL) {
*
* In a situation where tree relationships are present, adding multiple
* subgroups is not necessary, because the table will contain indentations that
- * provide enough information about the sibling and parent relationships.
- * See theme_menu_overview_form() for an example creating a table containing
- * parent relationships.
- *
- * Please note that this function should be called from the theme layer, such as
- * in a .tpl.php file, theme_ function, or in a template_preprocess function,
- * not in a form declaration. Though the same JavaScript could be added to the
- * page using drupal_add_js() directly, this function helps keep template files
+ * provide enough information about the sibling and parent relationships. See
+ * theme_menu_overview_form() for an example creating a table containing parent
+ * relationships.
+ *
+ * Note that this function should be called from the theme layer, such as in a
+ * .tpl.php file, theme_ function, or in a template_preprocess function, not in
+ * a form declaration. Though the same JavaScript could be added to the page
+ * using drupal_add_js() directly, this function helps keep template files
* clean and readable. It also prevents tabledrag.js from being added twice
* accidentally.
*
@@ -4737,8 +4788,8 @@ function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgro
* $files while the value is the cache file name. The cache file is generated
* in two cases. First, if there is no file name value for the key, which will
* happen if a new file name has been added to $files or after the lookup
- * variable is emptied to force a rebuild of the cache. Second, the cache
- * file is generated if it is missing on disk. Old cache files are not deleted
+ * variable is emptied to force a rebuild of the cache. Second, the cache file
+ * is generated if it is missing on disk. Old cache files are not deleted
* immediately when the lookup variable is emptied, but are deleted after a set
* period by drupal_delete_file_if_stale(). This ensures that files referenced
* by a cached page will still be available.
@@ -4840,7 +4891,7 @@ function drupal_json_decode($var) {
}
/**
- * Return data in JSON format.
+ * Returns data in JSON format.
*
* This function should be used for JavaScript callback functions returning
* data in JSON format. It sets the header for JavaScript output.
@@ -4858,7 +4909,7 @@ function drupal_json_output($var = NULL) {
}
/**
- * Get a salt useful for hardening against SQL injection.
+ * Gets a salt useful for hardening against SQL injection.
*
* @return
* A salt based on information in settings.php, not in the database.
@@ -4871,7 +4922,7 @@ function drupal_get_hash_salt() {
}
/**
- * Ensure the private key variable used to generate tokens is set.
+ * Ensures the private key variable used to generate tokens is set.
*
* @return
* The private key.
@@ -4885,7 +4936,7 @@ function drupal_get_private_key() {
}
/**
- * Generate a token based on $value, the current user session and private key.
+ * Generates a token based on $value, the user session, and the private key.
*
* @param $value
* An additional value to base the token on.
@@ -4895,7 +4946,7 @@ function drupal_get_token($value = '') {
}
/**
- * Validate a token based on $value, the current user session and private key.
+ * Validates a token based on $value, the user session, and the private key.
*
* @param $token
* The token to be validated.
@@ -4903,6 +4954,7 @@ function drupal_get_token($value = '') {
* An additional value to base the token on.
* @param $skip_anonymous
* Set to true to skip token validation for anonymous users.
+ *
* @return
* True for a valid token, false for an invalid token. When $skip_anonymous
* is true, the return value will always be true for anonymous users.
@@ -4971,7 +5023,7 @@ function _drupal_bootstrap_full() {
}
/**
- * Store the current page in the cache.
+ * Stores the current page in the cache.
*
* If page_compression is enabled, a gzipped version of the page is stored in
* the cache to avoid compressing the output on each request. The cache entry
@@ -5023,10 +5075,10 @@ function drupal_page_set_cache() {
/**
* Executes a cron run when called.
*
- * Do not call this function from test, use $this->cronRun() instead.
+ * Do not call this function from a test. Use $this->cronRun() instead.
*
* @return
- * Returns TRUE if ran successfully
+ * TRUE if cron ran successfully.
*/
function drupal_cron_run() {
// Allow execution to continue even if the request gets canceled.
@@ -5101,7 +5153,10 @@ function drupal_cron_run() {
}
/**
- * Shutdown function for cron cleanup.
+ * Shutdown function: Performs cron cleanup.
+ *
+ * @see drupal_cron_run()
+ * @see drupal_register_shutdown_function()
*/
function drupal_cron_cleanup() {
// See if the semaphore is still locked.
@@ -5220,7 +5275,7 @@ function drupal_system_listing($mask, $directory, $key = 'name', $min_depth = 1)
}
/**
- * Set the main page content value for later use.
+ * Sets the main page content value for later use.
*
* Given the nature of the Drupal page handling, this will be called once with
* a string or array. We store that and return it later as the block is being
@@ -5228,6 +5283,7 @@ function drupal_system_listing($mask, $directory, $key = 'name', $min_depth = 1)
*
* @param $content
* A string or renderable array representing the body of the page.
+ *
* @return
* If called without $content, a renderable array representing the body of
* the page.
@@ -5478,13 +5534,13 @@ function drupal_pre_render_links($element) {
* Note that if also a #theme is defined for the element, then the result of
* the theme callback will override #children.
*
- * @see drupal_render()
- *
* @param $elements
* A structured array using the #markup key.
*
* @return
* The passed-in elements, but #markup appended to #children.
+ *
+ * @see drupal_render()
*/
function drupal_pre_render_markup($elements) {
$elements['#children'] = $elements['#markup'];
@@ -5497,8 +5553,10 @@ function drupal_pre_render_markup($elements) {
* @param $page
* A string or array representing the content of a page. The array consists of
* the following keys:
- * - #type: Value is always 'page'. This pushes the theming through page.tpl.php (required).
- * - #show_messages: Suppress drupal_get_message() items. Used by Batch API (optional).
+ * - #type: Value is always 'page'. This pushes the theming through
+ * page.tpl.php (required).
+ * - #show_messages: Suppress drupal_get_message() items. Used by Batch
+ * API (optional).
*
* @see hook_page_alter()
* @see element_info()
@@ -5575,20 +5633,20 @@ function drupal_render_page($page) {
* drupal_render() can optionally cache the rendered output of elements to
* improve performance. To use drupal_render() caching, set the element's #cache
* property to an associative array with one or several of the following keys:
- * - 'keys': An array of one or more keys that identify the element. If 'keys'
- * is set, the cache ID is created automatically from these keys. See
- * drupal_render_cid_create().
- * - 'granularity' (optional): Define the cache granularity using binary
- * combinations of the cache granularity constants, e.g. DRUPAL_CACHE_PER_USER
- * to cache for each user separately or
- * DRUPAL_CACHE_PER_PAGE | DRUPAL_CACHE_PER_ROLE to cache separately for each
- * page and role. If not specified the element is cached globally for each
- * theme and language.
- * - 'cid': Specify the cache ID directly. Either 'keys' or 'cid' is required.
- * If 'cid' is set, 'keys' and 'granularity' are ignored. Use only if you
- * have special requirements.
- * - 'expire': Set to one of the cache lifetime constants.
- * - 'bin': Specify a cache bin to cache the element in. Defaults to 'cache'.
+ * - 'keys': An array of one or more keys that identify the element. If 'keys'
+ * is set, the cache ID is created automatically from these keys. See
+ * drupal_render_cid_create().
+ * - 'granularity' (optional): Define the cache granularity using binary
+ * combinations of the cache granularity constants, e.g.
+ * DRUPAL_CACHE_PER_USER to cache for each user separately or
+ * DRUPAL_CACHE_PER_PAGE | DRUPAL_CACHE_PER_ROLE to cache separately for each
+ * page and role. If not specified the element is cached globally for each
+ * theme and language.
+ * - 'cid': Specify the cache ID directly. Either 'keys' or 'cid' is required.
+ * If 'cid' is set, 'keys' and 'granularity' are ignored. Use only if you
+ * have special requirements.
+ * - 'expire': Set to one of the cache lifetime constants.
+ * - 'bin': Specify a cache bin to cache the element in. Defaults to 'cache'.
*
* This function is usually called from within another function, like
* drupal_get_form() or a theme function. Elements are sorted internally
@@ -5605,6 +5663,7 @@ function drupal_render_page($page) {
*
* @param $elements
* The structured array describing the data to be rendered.
+ *
* @return
* The rendered HTML.
*/
@@ -5718,7 +5777,7 @@ function drupal_render(&$elements) {
}
/**
- * Render children of an element and concatenate them.
+ * Renders children of an element and concatenates them.
*
* This renders all children of an element using drupal_render() and then
* joins them together into a single string.
@@ -5743,7 +5802,7 @@ function drupal_render_children(&$element, $children_keys = NULL) {
}
/**
- * Render an element.
+ * Renders an element.
*
* This function renders an element using drupal_render(). The top level
* element is shown with show() before rendering, so it will always be rendered
@@ -5772,7 +5831,7 @@ function render(&$element) {
}
/**
- * Hide an element from later rendering.
+ * Hides an element from later rendering.
*
* The first time render() or drupal_render() is called on an element tree,
* as each element in the tree is rendered, it is marked with a #printed flag
@@ -5798,7 +5857,7 @@ function hide(&$element) {
}
/**
- * Show a hidden element for later rendering.
+ * Shows a hidden element for later rendering.
*
* You can also use render($element), which shows the element while rendering
* it.
@@ -5827,16 +5886,17 @@ function show(&$element) {
}
/**
- * Get the rendered output of a renderable element from cache.
- *
- * @see drupal_render()
- * @see drupal_render_cache_set()
+ * Gets the rendered output of a renderable element from the cache.
*
* @param $elements
* A renderable array.
+ *
* @return
* A markup string containing the rendered content of the element, or FALSE
* if no cached copy of the element is available.
+ *
+ * @see drupal_render()
+ * @see drupal_render_cache_set()
*/
function drupal_render_cache_get($elements) {
if (!in_array($_SERVER['REQUEST_METHOD'], array('GET', 'HEAD')) || !$cid = drupal_render_cid_create($elements)) {
@@ -5857,17 +5917,17 @@ function drupal_render_cache_get($elements) {
}
/**
- * Cache the rendered output of a renderable element.
- *
- * This is called by drupal_render() if the #cache property is set on an element.
+ * Caches the rendered output of a renderable element.
*
- * @see drupal_render()
- * @see drupal_render_cache_get()
+ * This is called by drupal_render() if the #cache property is set on an
+ * element.
*
* @param $markup
* The rendered output string of $elements.
* @param $elements
* A renderable array.
+ *
+ * @see drupal_render_cache_get()
*/
function drupal_render_cache_set(&$markup, $elements) {
// Create the cache ID for the element.
@@ -5893,7 +5953,7 @@ function drupal_render_cache_set(&$markup, $elements) {
}
/**
- * Collect #attached for an element and all child elements into a single array.
+ * Collects #attached for an element and its children into a single array.
*
* When caching elements, it is necessary to collect all libraries, JavaScript
* and CSS into a single array, from both the element itself and all child
@@ -5936,9 +5996,10 @@ function drupal_render_collect_attached($elements, $return = FALSE) {
}
/**
- * Prepare an element for caching based on a query. This smart caching strategy
- * saves Drupal from querying and rendering to HTML when the underlying query is
- * unchanged.
+ * Prepares an element for caching based on a query.
+ *
+ * This smart caching strategy saves Drupal from querying and rendering to HTML
+ * when the underlying query is unchanged.
*
* Expensive queries should use the query builder to create the query and then
* call this function. Executing the query and formatting results should happen
@@ -5976,12 +6037,15 @@ function drupal_render_cache_by_query($query, $function, $expire = CACHE_TEMPORA
}
/**
- * Helper function for building cache ids.
+ * Returns cache ID parts for building a cache ID.
*
* @param $granularity
- * One or more cache granularity constants, e.g. DRUPAL_CACHE_PER_USER to cache
- * for each user separately or DRUPAL_CACHE_PER_PAGE | DRUPAL_CACHE_PER_ROLE to
- * cache separately for each page and role.
+ * One or more cache granularity constants. For example, to cache separately
+ * for each user, use DRUPAL_CACHE_PER_USER. To cache separately for each
+ * page and role, use the expression:
+ * @code
+ * DRUPAL_CACHE_PER_PAGE | DRUPAL_CACHE_PER_ROLE
+ * @endcode
*
* @return
* An array of cache ID parts, always containing the active theme. If the
@@ -6020,7 +6084,7 @@ function drupal_render_cid_parts($granularity = NULL) {
}
/**
- * Create the cache ID for a renderable element.
+ * Creates the cache ID for a renderable element.
*
* This creates the cache ID string, either by returning the #cache['cid']
* property if present or by building the cache ID out of the #cache['keys']
@@ -6067,7 +6131,7 @@ function element_sort_by_title($a, $b) {
}
/**
- * Retrieve the default properties for the defined element type.
+ * Retrieves the default properties for the defined element type.
*
* @param $type
* An element type as defined by hook_element_info().
@@ -6093,7 +6157,7 @@ function element_info($type) {
}
/**
- * Retrieve a single property for the defined element type.
+ * Retrieves a single property for the defined element type.
*
* @param $type
* An element type as defined by hook_element_info().
@@ -6133,21 +6197,21 @@ function drupal_sort_title($a, $b) {
}
/**
- * Check if the key is a property.
+ * Checks if the key is a property.
*/
function element_property($key) {
return $key[0] == '#';
}
/**
- * Get properties of a structured array element. Properties begin with '#'.
+ * Gets properties of a structured array element (keys beginning with '#').
*/
function element_properties($element) {
return array_filter(array_keys((array) $element), 'element_property');
}
/**
- * Check if the key is a child.
+ * Checks if the key is a child.
*/
function element_child($key) {
return !isset($key[0]) || $key[0] != '#';
@@ -6163,6 +6227,7 @@ function element_child($key) {
* The element array whose children are to be identified.
* @param $sort
* Boolean to indicate whether the children should be sorted by weight.
+ *
* @return
* The array keys of the element's children.
*/
@@ -6202,6 +6267,7 @@ function element_children(&$elements, $sort = FALSE) {
*
* @param $elements
* The parent element.
+ *
* @return
* The array keys of the element's visible children.
*/
@@ -6396,7 +6462,7 @@ function drupal_array_get_nested_value(array &$array, array $parents, &$key_exis
}
/**
- * Determines whether a nested array with variable depth contains all of the requested keys.
+ * Determines whether a nested array contains the requested keys.
*
* This helper function should be used when the depth of the array element to be
* checked may vary (that is, the number of parent keys is variable). See
@@ -6432,7 +6498,7 @@ function drupal_array_nested_key_exists(array $array, array $parents) {
}
/**
- * Provide theme registration for themes across .inc files.
+ * Provides theme registration for themes across .inc files.
*/
function drupal_common_theme() {
return array(
@@ -6643,7 +6709,7 @@ function drupal_common_theme() {
*/
/**
- * Creates all tables in a module's hook_schema() implementation.
+ * Creates all tables defined in a module's hook_schema().
*
* Note: This function does not pass the module's schema through
* hook_schema_alter(). The module's tables will be created exactly as the
@@ -6662,7 +6728,7 @@ function drupal_install_schema($module) {
}
/**
- * Remove all tables that a module defines in its hook_schema().
+ * Removes all tables defined in a module's hook_schema().
*
* Note: This function does not pass the module's schema through
* hook_schema_alter(). The module's tables will be created exactly as the
@@ -6670,6 +6736,7 @@ function drupal_install_schema($module) {
*
* @param $module
* The module for which the tables will be removed.
+ *
* @return
* An array of arrays with the following key/value pairs:
* - success: a boolean indicating whether the query succeeded.
@@ -6725,7 +6792,7 @@ function drupal_get_schema_unprocessed($module, $table = NULL) {
}
/**
- * Fill in required default values for table definitions returned by hook_schema().
+ * Fills in required default values for table definitions from hook_schema().
*
* @param $schema
* The schema definition array as it was returned by the module's
@@ -6756,7 +6823,9 @@ function _drupal_schema_initialize(&$schema, $module, $remove_descriptions = TRU
}
/**
- * Retrieve a list of fields from a table schema. The list is suitable for use in a SQL query.
+ * Retrieves a list of fields from a table schema.
+ *
+ * The returned list is suitable for use in an SQL query.
*
* @param $table
* The name of the table from which to retrieve fields.
@@ -6764,7 +6833,7 @@ function _drupal_schema_initialize(&$schema, $module, $remove_descriptions = TRU
* An optional prefix to to all fields.
*
* @return An array of fields.
- **/
+ */
function drupal_schema_fields_sql($table, $prefix = NULL) {
$schema = drupal_get_schema($table);
$fields = array_keys($schema['fields']);
@@ -6992,7 +7061,7 @@ function drupal_parse_info_file($filename) {
}
/**
- * Parse data in Drupal's .info format.
+ * Parses data in Drupal's .info format.
*
* Data should be in an .ini-like format to specify values. White-space
* generally doesn't matter, except inside values:
@@ -7022,6 +7091,7 @@ function drupal_parse_info_file($filename) {
*
* @param $data
* A string to parse.
+ *
* @return
* The info array.
*
@@ -7085,11 +7155,12 @@ function drupal_parse_info_format($data) {
}
/**
- * Severity levels, as defined in RFC 3164: http://www.ietf.org/rfc/rfc3164.txt.
+ * Returns a list of severity levels, as defined in RFC 3164.
*
* @return
* Array of the possible severity levels for log messages.
*
+ * @see http://www.ietf.org/rfc/rfc3164.txt
* @see watchdog()
* @ingroup logging_severity_levels
*/
@@ -7108,7 +7179,7 @@ function watchdog_severity_levels() {
/**
- * Explode a string of given tags into an array.
+ * Explodes a string of tags into an array.
*
* @see drupal_implode_tags()
*/
@@ -7134,7 +7205,7 @@ function drupal_explode_tags($tags) {
}
/**
- * Implode an array of tags into a string.
+ * Implodes an array of tags into a string.
*
* @see drupal_explode_tags()
*/
@@ -7152,7 +7223,7 @@ function drupal_implode_tags($tags) {
}
/**
- * Flush all cached data on the site.
+ * Flushes all cached data on the site.
*
* Empties cache tables, rebuilds the menu cache and theme registries, and
* invokes a hook so that other modules' cache data can be cleared as well.
@@ -7193,10 +7264,10 @@ function drupal_flush_all_caches() {
}
/**
- * Helper function to change query-strings on css/js files.
+ * Changes the dummy query string added to all CSS and JavaScript files.
*
- * Changes the character added to all css/js files as dummy query-string, so
- * that all browsers are forced to reload fresh files.
+ * Changing the dummy query string appended to CSS and JavaScript files forces
+ * all browsers to reload fresh files.
*/
function _drupal_flush_css_js() {
// The timestamp is converted to base 36 in order to make it more compact.
@@ -7204,7 +7275,7 @@ function _drupal_flush_css_js() {
}
/**
- * Debug function used for outputting debug information.
+ * Outputs debug information.
*
* The debug information is passed on to trigger_error() after being converted
* to a string using _drupal_debug_message().
@@ -7229,10 +7300,11 @@ function debug($data, $label = NULL, $print_r = FALSE) {
}
/**
- * Parse a dependency for comparison by drupal_check_incompatibility().
+ * Parses a dependency for comparison by drupal_check_incompatibility().
*
* @param $dependency
* A dependency string, for example 'foo (>=7.x-4.5-beta5, 3.x)'.
+ *
* @return
* An associative array with three keys:
* - 'name' includes the name of the thing to depend on (e.g. 'foo').
@@ -7286,12 +7358,13 @@ function drupal_parse_dependency($dependency) {
}
/**
- * Check whether a version is compatible with a given dependency.
+ * Checks whether a version is compatible with a given dependency.
*
* @param $v
* The parsed dependency structure from drupal_parse_dependency().
* @param $current_version
* The version to check against (like 4.2).
+ *
* @return
* NULL if compatible, otherwise the original dependency version string that
* caused the incompatibility.
@@ -7796,11 +7869,12 @@ function archiver_get_extensions() {
}
/**
- * Create the appropriate archiver for the specified file.
+ * Creates the appropriate archiver for the specified file.
*
* @param $file
- * The full path of the archive file. Note that stream wrapper
- * paths are supported, but not remote ones.
+ * The full path of the archive file. Note that stream wrapper paths are
+ * supported, but not remote ones.
+ *
* @return
* A newly created instance of the archiver class appropriate
* for the specified file, already bound to that file.
@@ -7829,14 +7903,14 @@ function archiver_get_archiver($file) {
}
/**
- * Drupal Updater registry.
+ * Assembles the Drupal Updater registry.
*
* An Updater is a class that knows how to update various parts of the Drupal
* file system, for example to update modules that have newer releases, or to
* install a new theme.
*
* @return
- * Returns the Drupal Updater class registry.
+ * The Drupal Updater class registry.
*
* @see hook_updater_info()
* @see hook_updater_info_alter()
@@ -7852,10 +7926,10 @@ function drupal_get_updaters() {
}
/**
- * Drupal FileTransfer registry.
+ * Assembles the Drupal FileTransfer registry.
*
* @return
- * Returns the Drupal FileTransfer class registry.
+ * The Drupal FileTransfer class registry.
*
* @see FileTransfer
* @see hook_filetransfer_info()