Namespaces
namespace	studip_cores

Functions
	getHeaderLine ($id, $object_name=null)

	get_object_name ($range_id, $object_type)

	get_object_by_range_id ($range_id)

	selectSem ($sem_id)

	selectInst ($inst_id)

	openSem ($sem_id)

	openInst ($inst_id)

	checkObject ()

	checkObjectModule ($module)

	closeObject ()

	get_object_type ($id, $check_only=array())

	select_group ($sem_start_time)

	my_substr ($what, $start, $end)

	get_global_perm ($user_id="")

	get_perm ($range_id, $user_id="")

	get_fullname ($user_id="", $format="full", $htmlready=false)

	get_fullname_from_uname ($uname="", $format="full", $htmlready=false)

	get_vorname ($user_id="")

	get_nachname ($user_id="")

	get_username ($user_id="")

	get_userid ($username="")

	TrackAccess ($id, $object_type=null)

	get_sem_tree_path ($seminar_id, $depth=false, $delimeter=">")

	get_range_tree_path ($institut_id, $depth=false, $delimeter=">")

	check_and_set_date ($tag, $monat, $jahr, $stunde, $minute, &$arr, $field)

	write_config ($key, $val, $arr=null)

	get_config ($key)

	get_seminar_dozent ($seminar_id)

	re_sort_dozenten ($s_id, $position)

	re_sort_tutoren ($s_id, $position)

	get_next_position ($status, $seminar_id)

	get_seminar_tutor ($seminar_id)

	get_seminar_sem_tree_entries ($seminar_id)

	get_seminars_user ($user_id)

	StringToFloat ($str)

	archiv_check_perm ($seminar_id)

	get_users_online ($active_time=5, $name_format='full_rev')

	get_users_online_count ($active_time=5)

	get_ticket ()

	check_ticket ($studipticket)

	search_range ($search_str=false, $search_user=false, $show_sem=true)

	format_help_url ($keyword)

	remove_magic_quotes ($mixed)

	text_excerpt ($text, $phrase, $radius=100, $length=200, $excerpt_string='...')

	words ($string)

	studip_utf8encode ($data)

	studip_utf8decode ($data)

	get_title_for_status ($type, $count, $sem_type=NULL)

	studip_substr ($string, $offset, $length=false)

	studip_strlen ($string)

	is_internal_url ($url)

	studygroup_sem_types ()

	addHiddenFields ($variable, $data, $parent=array())

	array_flatten ($ary)

	reltime ($timestamp, $verbose=true, $displayed_levels=1, $tolerance=5)

	relsize ($size, $verbose=true, $displayed_levels=1, $glue=', ')

	get_route ($route='')

	match_route ($requested_route, $current_route='')

	studip_default_exception_handler ($exception)

Function Documentation

◆ addHiddenFields()

addHiddenFields	(	$variable,
		$data,
		$parent = `array()`
	)

generates form fields for the submitted multidimensional array

Parameters

string	$variable	the name of the array, which is filled with the data
mixed	$data	the data-array
mixed	$parent	leave this entry as is

Returns: string the inputs of type hidden as html

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◆ archiv_check_perm()

archiv_check_perm ( $seminar_id )

check which perms the currently logged in user had in the passed archived seminar

@global array $perm @global object $auth @staticvar array $archiv_perms

Parameters

string $seminar_id the seminar in the archive

Returns: string the perm the user had

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◆ array_flatten()

array_flatten ( $ary )

Returns a new array that is a one-dimensional flattening of this array (recursively). That is, for every element that is an array, extract its elements into the new array.

Parameters

array $ary the array to be flattened

Returns: array the flattened array

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◆ check_and_set_date()

check_and_set_date	(		$tag,
			$monat,
			$jahr,
			$stunde,
			$minute,
		&	$arr,
			$field
	)

check_and_set_date

Checks if given date is valid and sets field in array accordingly. (E.g. $admin_admission_data['admission_enddate'])

Parameters

mixed	$tag	day or placeholder for day
mixed	$monat	month or placeholder for month
mixed	$jahr	year or placeholder for year
mixed	$stunde	hours or placeholder for hours
mixed	$minute	minutes or placeholder for minutes
array	&$arr	Reference to array to update. If NULL, only check is performed
mixed	$field	Name of field in array to be set

Returns: bool true if date was valid, false else

◆ check_ticket()

check_ticket ( $studipticket )

check if the passed ticket is valid

Parameters

string $studipticket the ticket-id to check

Returns: bool

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◆ checkObject()

checkObject ( )

This function checks, if there is an open Veranstaltung or Einrichtung

@global array $SessSemName

Exceptions

CheckObjectException

Returns: void

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◆ checkObjectModule()

checkObjectModule ( $module )

This function checks, if given old style module "wiki","scm" (not "CoreWiki") etc. is allowed in this stud.ip-object.

@global array $SessSemName

Parameters

string $module the module to check for

Returns: void

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◆ closeObject()

closeObject ( )

This function closes a opened Veranstaltung or Einrichtung

@global string $SessionSeminar @global array $SessSemName @global string $SemSecLevelRead @global string $SemSecLevelWrite @global string $SemUserStatus @global boolean $rechte @global object $sess

Returns: void

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◆ format_help_url()

format_help_url ( $keyword )

format_help_url($keyword) returns URL for given help keyword

Parameters

string $keyword the help-keyword

Returns: string the help-url

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◆ get_config()

get_config ( $key )

gets an entry from the studip configuration table

Parameters

string $key the key for the config entry

Returns: string the value

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◆ get_fullname()

get_fullname	(	$user_id = `""`,
		$format = `"full"`,
		$htmlready = `false`
	)

Retrieves the fullname for a given user_id

Parameters

string	$user_id	if omitted, current user_id is used
string	$format	output format
bool	$htmlready	if true, htmlReady is applied to all output-strings

Returns: string

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◆ get_fullname_from_uname()

get_fullname_from_uname	(	$uname = `""`,
		$format = `"full"`,
		$htmlready = `false`
	)

Retrieves the fullname for a given username

Parameters

string	$uname	if omitted, current user_id is used
string	$format	output format
bool	$htmlready	if true, htmlReady is applied to all output-strings

Returns: string

Examples: /usr/local/src/studip/jlu_3.3/lib/visual.inc.php.

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◆ get_global_perm()

get_global_perm ( $user_id = "" )

The function gives the global perm of an user

It ist recommended to use $auth->auth["perm"] for this query, but the function is useful, if you want to query an user_id from another user (which ist not the current user)

Deprecated:: use $GLOBALS['perm']->get_perm($user_id)

Parameters

string $user_id if omitted, current user_id is used

Returns: string the perm level or an error msg

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◆ get_nachname()

get_nachname ( $user_id = "" )

Retrieves the Nachname for a given user_id

Parameters

string $user_id if omitted, current user_id is used

Returns: string

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◆ get_next_position()

get_next_position	(	$status,
		$seminar_id
	)

return the highest position-number increased by one for the passed user-group in the passed seminar

Parameters

string	$status	can be on of 'tutor', 'dozent', ...
string	$seminar_id	the seminar to work on

Returns: int the next available position

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◆ get_object_by_range_id()

get_object_by_range_id ( $range_id )

Returns a sorm object for a given range_id

Parameters

string the range_id

Returns: SimpleORMap Course/Institute/User/Statusgruppen/

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◆ get_object_name()

get_object_name	(	$range_id,
		$object_type
	)

returns an array containing name and type of the passed objeact denoted by $range_id

@global array $SEM_TYPE @global array $INST_TYPE @global array $SEM_TYPE_MISC_NAME

Parameters

string	$range_id	the id of the object
string	$object_type	the type of the object

Returns: array an array containing name and type of the object

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◆ get_object_type()

get_object_type	(	$id,
		$check_only = `array()`
	)

This function determines the type of the passed id

The function recognizes the following types at the moment: Einrichtungen, Veranstaltungen, Statusgruppen and Fakultaeten

@staticvar array $object_type_cache

Parameters

string	$id	the id of the object
array	$check_only	an array to narrow the search, may contain 'sem', 'inst', 'fak', 'group' or 'dokument' (optional)

Returns: string return "inst" (Einrichtung), "sem" (Veranstaltung), "fak" (Fakultaeten), "group" (Statusgruppe), "dokument" (Dateien)

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◆ get_perm()

get_perm	(	$range_id,
		$user_id = `""`
	)

Returns permission for given range_id and user_id

Function works for Veranstaltungen, Einrichtungen, Fakultaeten. admins get status 'admin' if range_id is a seminar

Deprecated:: use $GLOBALS['perm']->get_studip_perm($range_id, $user_id)

Parameters

string	$range_id	an id a Veranstaltung, Einrichtung or Fakultaet
string	$user_id	if omitted,current user_id is used

Returns: string the perm level

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◆ get_range_tree_path()

get_range_tree_path	(	$institut_id,
		$depth = `false`,
		$delimeter = `">"`
	)

Return an array containing the nodes of the range-tree-path

Parameters

string	$institut_id	the institute to get the path for
int	$depth	the depth
string	$delimeter	a string to separate the path parts

Returns: array

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◆ get_route()

get_route ( $route = '' )

extracts route

Parameters

string $route route (optional, uses REQUEST_URI otherwise)

Returns: string route

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◆ get_sem_tree_path()

get_sem_tree_path	(	$seminar_id,
		$depth = `false`,
		$delimeter = `">"`
	)

Return an array containing the nodes of the sem-tree-path

Parameters

string	$seminar_id	the seminar to get the path for
int	$depth	the depth
string	$delimeter	a string to separate the path parts

Returns: array

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◆ get_seminar_dozent()

get_seminar_dozent ( $seminar_id )

get the lecturers and their order-positions in the passed seminar

folgende Funktion ist nur notwendig, wenn die zu kopierende Veranstaltung nicht vom Dozenten selbst, sondern vom Admin oder vom root kopiert wird (sonst wird das Dozentenfeld leer gelassen, was ja keiner will...)

Parameters

string $seminar_id the seminar to get the lecturers from

Returns: array an array containing user_ids as key and positions as value

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◆ get_seminar_sem_tree_entries()

get_seminar_sem_tree_entries ( $seminar_id )

return all sem_tree-entries for the passed seminar

Parameters

string $seminar_id the seminar

Returns: array a list of sem_tree_id's

◆ get_seminar_tutor()

get_seminar_tutor ( $seminar_id )

get the tutors and their order-positions in the passed seminar

Parameters

string $seminar_id the seminar to get the tutors from

Returns: array an array containing user_ids as key and positions as value

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◆ get_seminars_user()

get_seminars_user ( $user_id )

return an array of all seminars for the passed user, containing the name, id, makedate and sem-number.

Parameters

string $user_id the user's id

Returns: array the user seminars as an array of four fields

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◆ get_ticket()

get_ticket ( )

return a studip-ticket

Returns: string a unique id referring to a newly created ticket

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◆ get_title_for_status()

get_title_for_status	(	$type,
		$count,
		$sem_type = `NULL`
	)

Get the title used for the given status ('dozent', 'tutor' etc.) for the specified SEM_TYPE. Alternative titles can be defined in the config.inc.php.

@global array $SEM_TYPE @global array $SessSemName @global array $DEFAULT_TITLE_FOR_STATUS

Parameters

string	$type	status ('dozent', 'tutor', 'autor', 'user' or 'accepted')
int	$count	count, this determines singular or plural form of title
int	$sem_type	sem_type of course (defaults to type of current course)

Returns: string translated title for status

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◆ get_userid()

get_userid ( $username = "" )

Retrieves the userid for a given username

uses global $online array if user is online

@global object $auth @staticvar array $cache

Parameters

string $username if omitted, current user_id will be returned

Returns: string

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◆ get_username()

get_username ( $user_id = "" )

Retrieves the username for a given user_id

@global object $auth @staticvar array $cache

Parameters

string $user_id if omitted, current username will be returned

Returns: string

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◆ get_users_online()

get_users_online	(	$active_time = `5`,
		$name_format = `'full_rev'`
	)

retrieve a list of all online users

@global object $user @global array $_fullname_sql

Parameters

int	$active_time	filter: the time in minutes until last life-sign
string	$name_format	format the fullname shall have

Returns: array

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◆ get_users_online_count()

get_users_online_count ( $active_time = 5 )

get the number of currently online users

Parameters

int $active_time filter: the time in minutes until last life-sign

Returns: int

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◆ get_vorname()

get_vorname ( $user_id = "" )

Retrieves the Vorname for a given user_id

Parameters

string $user_id if omitted, current user_id is used

Returns: string

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◆ getHeaderLine()

getHeaderLine	(	$id,
		$object_name = `null`
	)

This function creates the header line for studip-objects

you will get a line like this "Veranstaltung: Name..."

Parameters

string	$id	the id of the Veranstaltung
string	$object_name	the name of the object (optional)

Returns: string the header-line

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◆ is_internal_url()

is_internal_url ( $url )

Test whether the given URL refers to some page or resource of this Stud.IP installation.

Parameters

string $url url to check

Returns: mixed

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◆ match_route()

match_route	(	$requested_route,
		$current_route = `''`
	)

compares actual route to requested route

Parameters

string	$requested_route	requested route (for help content or tour)
string	$current_route	current route (optional)

Returns: boolean result

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◆ my_substr()

my_substr	(	$what,
		$start,
		$end
	)

The function shortens a string, but it uses the first 2/3 and the last 1/3

The parts will be divided by a "[...]". The functions is to use like php's substr function.

Parameters

string	$what	the original string
integer	$start	start pos, 0 is the first pos
integer	$end	end pos

Returns: string

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◆ openInst()

openInst ( $inst_id )

This function "opens" an institute to work with it. Does the same as selectInst() but also sets the visit date.

Parameters

string $inst_id the id of the institute

Returns: boolean true if successful

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◆ openSem()

openSem ( $sem_id )

This function "opens" a course to work with it. Does the same as selectSem() but also sets the visit date.

Parameters

string $sem_id the id of the course

Returns: boolean true if successful

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◆ re_sort_dozenten()

re_sort_dozenten	(	$s_id,
		$position
	)

reset the order-positions for the lecturers in the passed seminar, starting at the passed position

Parameters

string	$s_id	the seminar to work on
int	$position	the position to start with

Returns: void

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◆ re_sort_tutoren()

re_sort_tutoren	(	$s_id,
		$position
	)

reset the order-positions for the tutors in the passed seminar, starting at the passed position

Parameters

string	$s_id	the seminar to work on
int	$position	the position to start with

Returns: void

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◆ relsize()

relsize	(		$size,
			$verbose = `true`,
			$displayed_levels = `1`,
			$glue = `'`,
		'
	)

Displays a filesize in a (shortened) human readable form including the according units. For instance, 1234567 would be displayed as "1 MB" or 12345 would be displayed as "12 kB". The function can display the units in a short or a long form ("1 b" vs. "1 Byte"). Optionally, more than one unit part can be displayed. For instance, 1234567 could also be displayed as "1 MB, 234 kB, 567 b".

Parameters

int	$size	The raw filesize as integer
bool	$verbose	Use short or long unit names
int	$displayed_levels	How many unit parts should be displayed
String	$glue	Text used to glue the different unit parts together

Returns: String The filesize in human readable form.

Todo:: Allow "1,3 MB"

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◆ reltime()

reltime	(	$timestamp,
		$verbose = `true`,
		$displayed_levels = `1`,
		$tolerance = `5`
	)

Displays "relative time" - a textual representation between now and a certain timestamp, e.g. "3 hours ago".

Parameters

int	$timestamp	Timestamp to relate to.
bool	$verbose	Display long or short texts (optional)
int	$displayed_levels	How many levels shall be displayed
int	$tolerance	Defines a tolerance area of seconds around now (How many seconds must have passed until the function won't return "now")

Returns: String Textual representation of the difference between the passed timestamp and now

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◆ remove_magic_quotes()

remove_magic_quotes ( $mixed )

Remove slashes if magic quotes are enabled

Parameters

mixed $mixed string or array to strip slashes from

Returns: mixed cleaned string or array

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◆ search_range()

search_range	(	$search_str = `false`,
		$search_user = `false`,
		$show_sem = `true`
	)

searches

@global array $perm @global object $user @global array $_fullname_sql

Parameters

string	$search_str	optional search-string
string	$search_user	optional user to search for
bool	$show_sem	if true, the seminar is added to the result

Returns: array

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◆ select_group()

select_group ( $sem_start_time )

This function calculates one of the group colors unique for the semester of the passed timestamp

It calculates a unique color number to create the initial entry for a new user in a seminar. It will create a unique number for every semester and will start over, if the max. number (7) is reached.

Parameters

integer $sem_start_time the timestamp of the start time from the Semester

Returns: integer the color number

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◆ selectInst()

selectInst ( $inst_id )

This function "selects" an Einrichtung to work with it

Note: Stud.IP treats Einrichtungen like Veranstaltungen, yu can see this especially if you look at the variable names....

The following variables will bet set: $SessionSeminar Einrichtung id
$SessSemName[0] Einrichtung name
$SessSemName[1] Einrichtung id
$SessSemName["art"] Einrichtung type in alphanumeric form
$SessSemName["art_num"] Einrichtung type in numeric form
$SessSemName["art_generic"] Einrichtung generic type in alhanumeric form (self description)
$SessSemName["class"] Einrichtung class (sem or inst, in this function always inst)
$SessSemName["header_line"] the header-line to use on every page of the Einrichtung

Parameters

string $inst_id the id of the Veranstaltung

Returns: boolean true if successful

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◆ selectSem()

selectSem ( $sem_id )

This function "selects" a Veranstaltung to work with it

The following variables will bet set: $SessionSeminar Veranstaltung id
$SessSemName[0] Veranstaltung name
$SessSemName[1] Veranstaltung id
$SessSemName[2] Veranstaltung ort (room)
$SessSemName[3] Veranstaltung Untertitel (subtitle)
$SessSemName[4] Veranstaltung start_time (the Semester start_time)
$SessSemName[5] Veranstaltung institut_id (the home-intitute)
$SessSemName["art"] Veranstaltung type in alphanumeric form
$SessSemName["art_num"] Veranstaltung type in numeric form
$SessSemName["art_generic"] Veranstaltung generic type in alhanumeric form (self description)
$SessSemName["class"] Veranstaltung class (sem or inst, in this function always sem)
$SessSemName["header_line"] the header-line to use on every page of the Veranstaltung

Parameters

string $sem_id the id of the Veranstaltung

Returns: boolean true if successful

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◆ StringToFloat()

StringToFloat ( $str )

converts a string to a float, depending on the locale

Parameters

string $str the string to convert to float

Returns: float the string casted to float

◆ studip_default_exception_handler()

studip_default_exception_handler ( $exception )

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◆ studip_strlen()

studip_strlen ( $string )

Stud.IP encoding aware version of good ol' strlen(), treats numeric HTML-ENTITIES as one character use only if really necessary

Parameters

string $string the string to measure

Returns: integer the number of characters in string

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◆ studip_substr()

studip_substr	(	$string,
		$offset,
		$length = `false`
	)

Stud.IP encoding aware version of good ol' substr(), treats numeric HTML-ENTITIES as one character use only if really necessary

Parameters

string	$string	string to shorten
integer	$offset	position to start with
integer	$length	maximum length

Returns: string the part of the string

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◆ studip_utf8decode()

studip_utf8decode ( $data )

Encodes a string or array from UTF-8 to Stud.IP encoding (WINDOWS-1252/ISO-8859-1 with numeric HTML-ENTITIES)

Parameters

mixed $data a string in UTF-8 or an array with all strings encoded in utf-8

Returns: string the string in WINDOWS-1252/HTML-ENTITIES

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◆ studip_utf8encode()

studip_utf8encode ( $data )

Encodes a string or array from Stud.IP encoding (WINDOWS-1252/ISO-8859-1 with numeric HTML-ENTITIES) to UTF-8

Parameters

mixed $data a string or an array with strings to encode in WINDOWS-1252/HTML-ENTITIES

Returns: string the string in UTF-8

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◆ studygroup_sem_types()

studygroup_sem_types ( )

Return the list of SEM_TYPES that represent study groups in this Stud.IP installation.

Returns: array list of SEM_TYPES used for study groups

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◆ text_excerpt()

text_excerpt	(	$text,
		$phrase,
		$radius = `100`,
		$length = `200`,
		$excerpt_string = `'...'`
	)

Extracts an excerpt from the 'text' surrounding the 'phrase' with a number of characters on each side determined by 'radius'. If the phrase isn't found, null is returned. Ex: text_excerpt("hello my world", "my", 3) => "...lo my wo..."

Parameters

string	$text	the text to excerpt
string	$phrase	the search phrase
integer	$radius	the radius around the phrase
integer	$length	the maximum length of the excerpt string
string	$excerpt_string	the excerpt string

Returns: string

◆ TrackAccess()

TrackAccess	(	$id,
		$object_type = `null`
	)

This function tracks user acces to several Data (only dokuments by now, to be extended)

Parameters

string	$id	the id of the object to track
string	$object_type	the object type (optional)

Returns: void

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◆ words()

words ( $string )

Splits a string by space characters and returns these words as an array.

Parameters

string $string the string to split

Returns: array the words of the string as array

Examples: /usr/local/src/studip/jlu_3.3/lib/visual.inc.php.

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◆ write_config()

write_config	(	$key,
		$val,
		$arr = `null`
	)

writes an entry into the studip configuration table

Deprecated:

Parameters

string	$key	the key for the config entry
string	$val	the value that should be set
array	$arr	an array with key=>value to write into config

Returns: bool true if date was valid, else false

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Namespaces

Functions

Function Documentation

◆ addHiddenFields()

◆ archiv_check_perm()

◆ array_flatten()

◆ check_and_set_date()

◆ check_ticket()

◆ checkObject()

◆ checkObjectModule()

◆ closeObject()

◆ format_help_url()

◆ get_config()

◆ get_fullname()

◆ get_fullname_from_uname()

◆ get_global_perm()

◆ get_nachname()

◆ get_next_position()

◆ get_object_by_range_id()

◆ get_object_name()

◆ get_object_type()

◆ get_perm()

◆ get_range_tree_path()

◆ get_route()

◆ get_sem_tree_path()

◆ get_seminar_dozent()

◆ get_seminar_sem_tree_entries()

◆ get_seminar_tutor()

◆ get_seminars_user()

◆ get_ticket()

◆ get_title_for_status()

◆ get_userid()

◆ get_username()

◆ get_users_online()

◆ get_users_online_count()

◆ get_vorname()

◆ getHeaderLine()

◆ is_internal_url()

◆ match_route()

◆ my_substr()

◆ openInst()

◆ openSem()

◆ re_sort_dozenten()

◆ re_sort_tutoren()

◆ relsize()

◆ reltime()

◆ remove_magic_quotes()

◆ search_range()

◆ select_group()

◆ selectInst()

◆ selectSem()

◆ StringToFloat()

◆ studip_default_exception_handler()

◆ studip_strlen()

◆ studip_substr()

◆ studip_utf8decode()

◆ studip_utf8encode()

◆ studygroup_sem_types()

◆ text_excerpt()

◆ TrackAccess()

◆ words()

◆ write_config()