chamilo / chamilo-lms

main/survey/survey.lib.php

Doc Comments +17 added lines, -15 removed lines

@@ -47,7 +47,7 @@ 
      * Deletes all survey invitations of a user
      * @param int $user_id
      *
-     * @return boolean
+     * @return false|null
      * @assert ('') === false
      */
     public static function delete_all_survey_invitations_by_user($user_id)
@@ -104,7 +104,7 @@ 
      * Retrieves all the survey information
      *
      * @param integer $survey_id the id of the survey
-     * @param boolean $shared this parameter determines if
+     * @param integer $shared this parameter determines if
      * we have to get the information of a survey from the central (shared) database or from the
      * 		  course database
      * @param string course code optional
@@ -571,7 +571,7 @@ 
      * This function deletes a survey (and also all the question in that survey
      *
      * @param int $survey_id id of the survey that has to be deleted
-     * @return true
+     * @return boolean
      *
      * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
      * @version January 2007
@@ -756,7 +756,7 @@ 
      *
      * @param int $survey_id id of the survey that has to be duplicated
      * @param int $courseId id of the course which survey has to be duplicated
-     * @return true
+     * @return boolean
      *
      * @author Eric Marguin <e.marguin@elixir-interactive.com>, Elixir Interactive
      * @version October 2007
@@ -796,7 +796,7 @@ 
     /**
      * This function recalculates the number of people who have taken the survey (=filled at least one question)
      *
-     * @param int $survey_id the id of the survey somebody
+     * @param int $survey_data the id of the survey somebody
      * @return true
      *
      * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
@@ -1367,7 +1367,7 @@ 
      * This function deletes a shared survey question from the main database and all its options
      *
      * @param int $question_id the id of the question
-     * @param int $shared
+     * @param integer $survey_id
      *
      * @todo delete all the options of this question
      *
@@ -1494,8 +1494,8 @@ 
      * This function deletes all the options of the questions of a given survey
      * This function is normally only called when a survey is deleted
      *
-     * @param $survey_id the id of the survey that has to be deleted
-     * @return true
+     * @param integer $survey_id the id of the survey that has to be deleted
+     * @return boolean
      *
      * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
      * @version January 2007
@@ -1561,8 +1561,8 @@ 
      * This function deletes all the answers anyone has given on this survey
      * This function is normally only called when a survey is deleted
      *
-     * @param $survey_id the id of the survey that has to be deleted
-     * @return true
+     * @param integer $survey_id the id of the survey that has to be deleted
+     * @return boolean
      *
      * @todo write the function
      *
@@ -1804,7 +1804,7 @@ 
     /**
      * This function checks the parameters that are used in this page
      *
-     * @return 	string 	The header, an error and the footer if any parameter fails, else it returns true
+     * @return 	null|boolean 	The header, an error and the footer if any parameter fails, else it returns true
      * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
      * @version February 2007
      */
@@ -2371,6 +2371,7 @@ 
      * Display score data about a survey question
      * @param	array	Question info
      * @param	integer	The offset of results shown
+     * @param integer $offset
      * @return	void 	(direct output)
      */
     public static function display_question_report_score($survey_data, $question, $offset)
@@ -3208,7 +3209,7 @@ 
      * @param	array	User's answers
      * @param 	mixed	User ID or user details as string - Used as a string in the result string
      * @param	boolean	Whether to display user fields or not
-     * @return	string	One line of the csv file
+     * @return	string[]	One line of the csv file
      */
     public static function export_complete_report_row_xls(
         $survey_data,
@@ -3801,7 +3802,7 @@ 
 
     /**
      * @param $params
-     * @return bool|int
+     * @return false|string
      */
     public static function save_invitation($params)
     {
@@ -3855,6 +3856,7 @@ 
      *
      * @param int invitedUser - the userId (course user) or emailaddress of additional user
      * $param string $invitation_code - the unique invitation code for the URL
+     * @param string|null $invitation_text
      * @return	void
      */
     public static function send_invitation_mail($invitedUser, $invitation_code, $invitation_title, $invitation_text)
@@ -4783,7 +4785,7 @@ 
     /**
      * @author Isaac Flores Paz <florespaz@bidsoftperu.com>
      * @param int $user_id - User ID
-     * @param int $user_id_answer - User in survey answer table (user id or anonymus)
+     * @param int $user_answer - User in survey answer table (user id or anonymus)
      * @return boolean
      */
     static function show_link_available($user_id, $survey_code, $user_answer)
@@ -4829,7 +4831,7 @@ 
      * Display survey question chart
      * @param	array	Chart data
      * @param	boolean	Tells if the chart has a serie. False by default
-     * @return	void 	(direct output)
+     * @return	string 	(direct output)
      */
     public static function drawChart($chartData, $hasSerie = false, $chartContainerId = 'chartContainer')
     {

main/newscorm/learnpath.class.php

Doc Comments +30 added lines, -26 removed lines

@@ -84,7 +84,7 @@ 
      * @param	string	$course Course code
      * @param	integer	$lp_id
      * @param	integer	$user_id
-     * @return mixed True on success, false on error
+     * @return boolean True on success, false on error
      */
     public function __construct($course, $lp_id, $user_id)
     {
@@ -485,7 +485,7 @@ 
      * @param int $max_time_allowed
      * @param int $userId
      *
-     * @return int
+     * @return false|string
      */
     public function add_item(
         $parent,
@@ -1036,7 +1036,7 @@ 
      * @param	array $courseInfo
      * @param	integer	Learnpath ID
      * @param	string	Whether to delete data or keep it (default: 'keep', others: 'remove')
-     * @return	boolean	True on success, false on failure (might change that to return number of elements deleted)
+     * @return	false|null	True on success, false on failure (might change that to return number of elements deleted)
      */
     public function delete($courseInfo = null, $id = null, $delete = 'keep')
     {
@@ -1170,7 +1170,7 @@ 
      * @param	integer	$id Elem ID (0 if first)
      * @param	integer	$remove Whether to remove the resource/data from the
      * system or leave it (default: 'keep', others 'remove')
-     * @return	integer	Number of elements moved
+     * @return	false|null	Number of elements moved
      * @todo implement resource removal
      */
     public function delete_item($id, $remove = 'keep')
@@ -1252,7 +1252,7 @@ 
      * @param   array   $audio The array resulting of the $_FILES[mp3] element
      * @param   int     $max_time_allowed
      * @param   string  $url
-     * @return  boolean True on success, false on error
+     * @return  false|null True on success, false on error
      */
     public function edit_item(
         $id,
@@ -1775,7 +1775,7 @@ 
 
     /**
      * Gets the first element URL.
-     * @return	string	URL to load into the viewer
+     * @return	false|null	URL to load into the viewer
      */
     public function first()
     {
@@ -2291,6 +2291,7 @@ 
      * @param int $student_id
      * @param string Course code (optional)
      * @param int $sessionId
+     * @param string $courseCode
      * @return	bool
      */
     public static function is_lp_visible_for_student(
@@ -2590,7 +2591,7 @@ 
 
     /**
      * Gets the learnpath session id
-     * @return	string	Learnpath theme
+     * @return	integer	Learnpath theme
      */
     public function get_lp_session_id()
     {
@@ -2623,7 +2624,7 @@ 
     /**
      * @param string $size
      * @param string $path_type
-     * @return bool|string
+     * @return string|false
      */
     public function get_preview_image_path($size = null, $path_type = 'web')
     {
@@ -2769,6 +2770,8 @@ 
      * Returns the XML DOM document's node
      * @param	resource	Reference to a list of objects to search for the given ITEM_*
      * @param	string		The identifier to look for
+     * @param DOMNodeList $children
+     * @param string $id
      * @return	mixed		The reference to the element found with that identifier. False if not found
      */
     public function get_scorm_xml_node(& $children, $id)
@@ -3016,7 +3019,7 @@ 
     /**
      * Generate and return the table of contents for this learnpath. The (flat) table returned can be
      * used by get_html_toc() to be ready to display
-     * @return	array	TOC as a table with 4 elements per row: title, link, status and level
+     * @return	boolean	TOC as a table with 4 elements per row: title, link, status and level
      */
     public function get_toc()
     {
@@ -3152,7 +3155,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     public static function getChapterTypes()
     {
@@ -4054,7 +4057,7 @@ 
      * Open a resource = initialise all local variables relative to this resource. Depending on the child
      * class, this might be redefined to allow several behaviours depending on the document type.
      * @param integer Resource ID
-     * @return boolean True on success, false otherwise
+     * @return boolean|null True on success, false otherwise
      */
     public function open($id)
     {
@@ -4183,7 +4186,7 @@ 
      * Can be used as abstract
      * @param	integer	$lp_id Learnpath id
      * @param	string	$set_visibility New visibility (v/i - visible/invisible)
-     * @return bool
+     * @return false|null
      */
     public static function toggle_publish($lp_id, $set_visibility = 'v')
     {
@@ -4268,7 +4271,7 @@ 
      * Make sure the results are saved with anoter method. This method should probably be
      * redefined in children classes.
      * To use a similar method  statically, use the create_new_attempt() method
-     * @return string URL to load in the viewer
+     * @return boolean URL to load in the viewer
      */
     public function restart()
     {
@@ -4346,6 +4349,7 @@ 
      * Saves the given item
      * @param	integer	$item_id. Optional (will take from $_REQUEST if null)
      * @param	boolean	$from_outside Save from url params (true) or from current attributes (false). Optional. Defaults to true
+     * @param integer $item_id
      * @return	boolean
      */
     public function save_item($item_id = null, $from_outside = true)
@@ -4843,7 +4847,7 @@ 
 
     /**
      * Sets use_max_score
-     * @param   string  $use_max_score Optional string giving the new location of this learnpath
+     * @param   integer  $use_max_score Optional string giving the new location of this learnpath
      * @return  boolean True on success / False on error
      */
     public function set_use_max_score($use_max_score = 1)
@@ -5244,6 +5248,7 @@ 
      * Register the attempt mode into db thanks to flags prevent_reinit and seriousgame_mode flags
      *
      * @param string 'seriousgame', 'single' or 'multiple'
+     * @param string $mode
      * @return boolean
      * @author ndiechburg <noel@cblue.be>
      **/
@@ -5286,7 +5291,7 @@ 
     /**
      * Switch between multiple attempt, single attempt or serious_game mode (only for scorm)
      *
-     * @return boolean
+     * @return boolean|null
      * @author ndiechburg <noel@cblue.be>
      **/
     public function switch_attempt_mode()
@@ -5477,7 +5482,6 @@ 
     /**
      * Function that creates a html list of learning path items so that we can add audio files to them
      * @author Kevin Van Den Haute
-     * @param int $lp_id
      * @return string
      */
     public function overview()
@@ -5852,7 +5856,7 @@ 
     /**
      * This function builds the action menu
      * @param bool $returnContent
-     * @return void
+     * @return string|null
      */
     public function build_action_menu($returnContent = false)
     {
@@ -6371,7 +6375,7 @@ 
     /**
      * Function that displays a list with al the resources that
      * could be added to the learning path
-     * @return string
+     * @return boolean
      */
     public function display_resources()
     {
@@ -8875,7 +8879,7 @@ 
 
     /**
      * Creates a list with all the student publications in it
-     * @return unknown
+     * @return string
      */
     public function get_student_publications()
     {
@@ -9827,7 +9831,7 @@ 
 
     /**
      * @param int $lp_id
-     * @return bool
+     * @return false|null
      */
     public function scorm_export_to_pdf($lp_id)
     {
@@ -10344,6 +10348,7 @@ 
     }
 
     /**
+     * @param string $courseCode
      * @return \learnpath
      */
     public static function getLpFromSession($courseCode, $lp_id, $user_id)
@@ -10363,7 +10368,7 @@ 
 
     /**
      * @param int $itemId
-     * @return learnpathItem|false
+     * @return string
      */
     public function getItem($itemId)
     {
@@ -10413,7 +10418,6 @@ 
     /**
      * Set whether this is a learning path with the possibility to subscribe
      * users or not
-     * @param int $subscribeUsers (0 = false, 1 = true)
      */
     public function setSubscribeUsers($value)
     {
@@ -10538,7 +10542,7 @@ 
 
     /**
      * Get the item of exercise type (evaluation type)
-     * @return array The final evaluation. Otherwise return false
+     * @return integer The final evaluation. Otherwise return false
      */
     public function getFinalEvaluationItem()
     {
@@ -10762,7 +10766,7 @@ 
     /**
      * Create a forum for this learning path
      * @param type $forumCategoryId
-     * @return int The forum ID if was created. Otherwise return false
+     * @return false|string The forum ID if was created. Otherwise return false
      */
     public function createForum($forumCategoryId)
     {
@@ -10811,7 +10815,7 @@ 
     /**
      * Get the LP Final Item Template
      *
-     * @return html
+     * @return string
      */
     private function getFinalItemTemplate()
     {
@@ -10834,7 +10838,7 @@ 
     /**
      * Get the LP Final Item form
      *
-     * @return html
+     * @return string
      */
     public function getFinalItemForm()
     {

main/newscorm/lp_final_item.php

Doc Comments +1 added lines, -1 removed lines

@@ -116,7 +116,7 @@
  * @param int $sessionId
  * @param string $downloadCertificateLink
  * @param string $badgeLink
- * @return mixed|string
+ * @return string
  */
 function generateLPFinalItemTemplate($lpItemId, $courseCode, $sessionId=0, $downloadCertificateLink='', $badgeLink='')
 {

main/inc/lib/userportal.lib.php

Doc Comments +8 added lines, -7 removed lines

@@ -657,6 +657,7 @@ 
     * retrieves all the courses that the user has already subscribed to
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
     * @param int $user_id: the id of the user
+    * @param integer $user_id
     * @return array an array containing all the information of the courses of the given user
     */
     public function get_courses_of_user($user_id)
@@ -707,13 +708,13 @@ 
 
     /**
      * @todo use the template system
-     * @param $title
-     * @param $content
+     * @param string|null $title
+     * @param string $content
      * @param string $id
      * @param array $params
      * @param string $idAccordion
      * @param string $idCollapse
-     * @return null|string
+     * @return string
      */
     public function show_right_block(
         $title,
@@ -937,7 +938,7 @@ 
     }
 
     /**
-     * @return null|string
+     * @return string
      */
     public function return_course_block()
     {
@@ -1590,8 +1591,8 @@ 
 
     /**
      * Return HTML code for personal user course category
-     * @param $id
-     * @param $title
+     * @param integer $id
+     * @param string $title
      * @return string
      */
     private static function getHtmlForUserCategory($id, $title)
@@ -1612,7 +1613,7 @@ 
     /**
      * return HTML code for course display in session view
      * @param array $courseInfo
-     * @param $userCategoryId
+     * @param integer $userCategoryId
      * @param bool $displayButton
      * @param $loadDirs
      * @return string

plugin/bbb/lib/bbb_plugin.class.php

Doc Comments +1 added lines, -1 removed lines

@@ -42,7 +42,7 @@
     }
 
     /**
-     * @return BBBPlugin|null
+     * @return BBBPlugin
      */
     public static function create()
     {

main/inc/lib/database.lib.php

Doc Comments +4 added lines, -4 removed lines

@@ -66,7 +66,7 @@ 
      *
      * @param string $table
      *
-     * @return mixed
+     * @return string
      */
     public static function get_main_table($table)
     {
@@ -265,7 +265,7 @@ 
 
     /**
      * Frees all the memory associated with the provided result identifier.
-     * @return bool     Returns TRUE on success or FALSE on failure.
+     * @return boolean|null     Returns TRUE on success or FALSE on failure.
      * Notes: Use this method if you are concerned about how much memory is being used for queries that return large result sets.
      * Anyway, all associated result memory is automatically freed at the end of the script's execution.
      */
@@ -381,7 +381,7 @@ 
      * @param array     $attributes
      * @param bool      $show_query
      *
-     * @return bool|int
+     * @return false|string
      */
     public static function insert($table_name, $attributes, $show_query = false)
     {
@@ -674,7 +674,7 @@ 
     }
 
     /**
-     * @param $table
+     * @param string $table
      * @return \Doctrine\DBAL\Schema\Column[]
      */
     public static function listTableColumns($table) 

main/inc/lib/internationalization.lib.php

Doc Comments +20 added lines, -14 removed lines

@@ -437,6 +437,7 @@ 
  * If null, the timezone will be determined based on user preference,
  * or timezone chosen by the admin for the platform.
  * @param string The timezone to be converted from. If null, UTC will be assumed.
+ * @param string $to_timezone
  * @return string The converted time formatted as Y-m-d H:i:s
  *
  * @author Guillaume Viguier <guillaume.viguier@beeznest.com>
@@ -793,6 +794,7 @@ 
  * @param mixed The time to be converted
  * @param mixed Format to be used (TIME_NO_SEC_FORMAT, DATE_FORMAT_SHORT, DATE_FORMAT_LONG, DATE_TIME_FORMAT_LONG)
  * @param string Timezone to be converted from. If null, UTC will be assumed.
+ * @param string $from_timezone
  * @return string Converted and localized date
  *
  * @author Guillaume Viguier <guillaume.viguier@beeznest.com>
@@ -862,7 +864,7 @@ 
  * @param int/string $format (optional)	The person name format. It may be a pattern-string (for example '%t %l, %f' or '%T %F %L', ...) or some of the constants PERSON_NAME_COMMON_CONVENTION (default), PERSON_NAME_WESTERN_ORDER, PERSON_NAME_EASTERN_ORDER, PERSON_NAME_LIBRARY_ORDER.
  * @param string $language (optional)	The language id. If it is omitted, the current interface language is assumed. This parameter has meaning with the format PERSON_NAME_COMMON_CONVENTION only.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return bool							The result is sort of full name of the person.
+ * @return string							The result is sort of full name of the person.
  * Sample results:
  * Peter Ustinoff or Dr. Peter Ustinoff     - the Western order
  * Ustinoff Peter or Dr. Ustinoff Peter     - the Eastern order
@@ -956,7 +958,7 @@ 
 
 /**
  * Checks whether a given format represents person name in Western order (for which first name is first).
- * @param int/string $format (optional)	The person name format. It may be a pattern-string (for example '%t. %l, %f') or some of the constants PERSON_NAME_COMMON_CONVENTION (default), PERSON_NAME_WESTERN_ORDER, PERSON_NAME_EASTERN_ORDER, PERSON_NAME_LIBRARY_ORDER.
+ * @param integer $format (optional)	The person name format. It may be a pattern-string (for example '%t. %l, %f') or some of the constants PERSON_NAME_COMMON_CONVENTION (default), PERSON_NAME_WESTERN_ORDER, PERSON_NAME_EASTERN_ORDER, PERSON_NAME_LIBRARY_ORDER.
  * @param string $language (optional)	The language id. If it is omitted, the current interface language is assumed. This parameter has meaning with the format PERSON_NAME_COMMON_CONVENTION only.
  * @return bool							The result TRUE means that the order is first_name last_name, FALSE means last_name first_name.
  * Note: You may use this function for determing the order of the fields or columns "First name" and "Last name" in forms, tables and reports.
@@ -1184,8 +1186,8 @@ 
 
 /**
  * This function returns a string or an array with all occurrences of search in subject (ignoring case) replaced with the given replace value.
- * @param mixed $search					String or array of strings to be found.
- * @param mixed $replace				String or array of strings used for replacement.
+ * @param string $search					String or array of strings to be found.
+ * @param string $replace				String or array of strings used for replacement.
  * @param mixed $subject				String or array of strings being searched.
  * @param int $count (optional)			The number of matched and replaced needles will be returned in count, which is passed by reference.
  * @param string $encoding (optional)	The used internally by this function character encoding.
@@ -1248,10 +1250,10 @@ 
 /**
  * Finds first occurrence of a string within another, case insensitive.
  * @param string $haystack					The string from which to get the first occurrence.
- * @param mixed $needle						The string to be found.
+ * @param string $needle						The string to be found.
  * @param bool $before_needle (optional)	Determines which portion of $haystack this function returns. The default value is FALSE.
  * @param string $encoding (optional)		The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed							Returns the portion of $haystack, or FALSE if $needle is not found.
+ * @return false|string							Returns the portion of $haystack, or FALSE if $needle is not found.
  * Notes:
  * If $needle is not a string, it is converted to an integer and applied as the ordinal value (codepoint if the encoding is UTF-8) of a character.
  * If $before_needle is set to TRUE, the function returns all of $haystack from the beginning to the first occurrence of $needle.
@@ -1307,7 +1309,7 @@ 
  * @param mixed $needle						The string which first character is to be found.
  * @param bool $before_needle (optional)	Determines which portion of $haystack this function returns. The default value is FALSE.
  * @param string $encoding (optional)		The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed							Returns the portion of $haystack, or FALSE if the first character from $needle is not found.
+ * @return false|string							Returns the portion of $haystack, or FALSE if the first character from $needle is not found.
  * Notes:
  * If $needle is not a string, it is converted to an integer and applied as the ordinal value (codepoint if the encoding is UTF-8) of a character.
  * If $before_needle is set to TRUE, the function returns all of $haystack from the beginning to the first occurrence.
@@ -1357,7 +1359,7 @@ 
  * @param string $needle				The string to be found.
  * @param int $offset (optional)		$offset may be specified to begin searching an arbitrary position. Negative values will stop searching at an arbitrary point prior to the end of the string.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed						Returns the numeric position of the first occurrence of $needle in the $haystack, or FALSE if $needle is not found.
+ * @return integer|null						Returns the numeric position of the first occurrence of $needle in the $haystack, or FALSE if $needle is not found.
  * Note: The first character's position is 0, the second character position is 1, and so on.
  * This function is aimed at replacing the functions strrpos() and mb_strrpos() for human-language strings.
  * @link http://php.net/manual/en/function.strrpos
@@ -1374,7 +1376,7 @@ 
  * @param mixed $needle						The string to be found.
  * @param bool $before_needle (optional)	Determines which portion of $haystack this function returns. The default value is FALSE.
  * @param string $encoding (optional)		The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed							Returns the portion of $haystack, or FALSE if $needle is not found.
+ * @return false|string							Returns the portion of $haystack, or FALSE if $needle is not found.
  * Notes:
  * If $needle is not a string, it is converted to an integer and applied as the ordinal value (codepoint if the encoding is UTF-8) of a character.
  * If $before_needle is set to TRUE, the function returns all of $haystack from the beginning to the first occurrence of $needle.
@@ -1517,7 +1519,7 @@ 
  * 										Note that this changes the return value in an array where every element is an array consisting of the matched string at index 0 and its string offset into subject at index 1.
  * @param int $offset (optional)		Normally, the search starts from the beginning of the subject string. The optional parameter offset can be used to specify the alternate place from which to start the search.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return int|boolean					Returns the number of times pattern matches or FALSE if an error occurred.
+ * @return integer					Returns the number of times pattern matches or FALSE if an error occurred.
  * @link http://php.net/preg_match
  */
 function api_preg_match($pattern, $subject, &$matches = null, $flags = 0, $offset = 0, $encoding = null) {
@@ -1540,7 +1542,7 @@ 
  * If no order flag is given, PREG_PATTERN_ORDER is assumed.
  * @param int $offset (optional)		Normally, the search starts from the beginning of the subject string. The optional parameter offset can be used to specify the alternate place from which to start the search.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return int|boolean					Returns the number of full pattern matches (which might be zero), or FALSE if an error occurred.
+ * @return integer					Returns the number of full pattern matches (which might be zero), or FALSE if an error occurred.
  * @link http://php.net/preg_match_all
  */
 function api_preg_match_all($pattern, $subject, &$matches, $flags = PREG_PATTERN_ORDER, $offset = 0, $encoding = null) {
@@ -1555,8 +1557,8 @@ 
 
 /**
  * Performs a regular expression search and replace, UTF-8 aware when it is applicable.
- * @param string|array $pattern			The pattern to search for. It can be either a string or an array with strings.
- * @param string|array $replacement		The string or an array with strings to replace.
+ * @param string $pattern			The pattern to search for. It can be either a string or an array with strings.
+ * @param string $replacement		The string or an array with strings to replace.
  * @param string|array $subject			The string or an array with strings to search and replace.
  * @param int $limit					The maximum possible replacements for each pattern in each subject string. Defaults to -1 (no limit).
  * @param int &$count					If specified, this variable will be filled with the number of replacements done.
@@ -1808,6 +1810,7 @@ 
 /**
  * Checks a string for UTF-8 validity.
  *
+ * @param string $string
  */
 function api_is_valid_utf8(&$string)
 {
@@ -1950,7 +1953,7 @@ 
 /**
  * Replaces non-valid formats for person names with the default (English) format.
  * @param string $format	The input format to be verified.
- * @return bool				Returns the same format if is is valid, otherwise returns a valid English format.
+ * @return string				Returns the same format if is is valid, otherwise returns a valid English format.
  */
 function _api_validate_person_name_format($format) {
     if (empty($format) || stripos($format, '%f') === false || stripos($format, '%l') === false) {
@@ -2077,6 +2080,9 @@ 
 
 // This function checks whether the function _api_convert_encoding() (the php-
 // implementation) is able to convert from/to a given encoding.
+/**
+ * @param string $encoding
+ */
 function _api_convert_encoding_supports($encoding) {
     static $supports = array();
     if (!isset($supports[$encoding])) {