Documentation

Horde_Icalendar_Daylight extends Horde_Icalendar
in package

Class representing timezones at daylight saving time.

Tags
author

Mike Cochrane mike@graftonhall.co.nz

category

Horde

copyright

2003-2017 Horde LLC

license

http://www.horde.org/licenses/lgpl21 LGPL 2.1

Table of Contents

$type  : string
The component type of this class.
$_attributes  : array<string|int, mixed>
The name/value pairs of attributes for this object (UID, DTSTART, etc.). Which are present depends on the object and on what kind of component it is.
$_components  : array<string|int, mixed>
Any children (contained) iCalendar components of this object.
$_container  : Horde_Icalendar
The parent (containing) iCalendar object.
$_newline  : string
According to RFC 2425, we should always use CRLF-terminated lines.
$_oldFormat  : mixed
Whether entry is vcalendar 1.0, vcard 2.1 or vnote 1.1.
$_version  : string
iCalendar format version (different behavior for 1.0 and 2.0 especially with recurring events).
__construct()  : mixed
Constructor.
_exportDateTime()  : string
Export a DateTime field.
_exportUtcOffset()  : TODO
Export a UTC Offset field.
_getEndDifference()  : bool
Returns the difference between the datetime indicated by $a and the datetime indicated by $b after normalizing both values to a unix timestamp. Used when sorting timezone transitions that may contain mixed format end times.
_parseDate()  : array<string|int, mixed>
Parses a Date field.
_parseDateTime()  : int
Parses a DateTime field and returns a unix timestamp. If the field cannot be parsed then the original text is returned unmodified.
addComponent()  : mixed
Add a vCalendar component (eg vEvent, vTimezone, etc.).
clear()  : mixed
Clears the iCalendar object (resets the components and attributes arrays).
exportvCalendar()  : TODO
TODO
findComponent()  : mixed
Locates the first child component of the specified class, and returns a reference to it.
findComponentByAttribute()  : mixed
Locates the first matching child component of the specified class, and returns a reference to it.
getAllAttributes()  : array<string|int, mixed>
Get attributes for all tags or for a given tag.
getAttribute()  : mixed
Get the value of an attribute.
getAttributeDefault()  : mixed
Returns the value of an attribute, or a specified default value if the attribute does not exist.
getAttributeSingle()  : string
Get a single value of an attribute.
getAttributeValues()  : array<string|int, mixed>
Gets the values of an attribute as an array. Multiple values are possible due to:
getComponent()  : mixed
Retrieve a specific component.
getComponentClasses()  : array<string|int, mixed>
Return the classes (entry types) we have.
getComponentCount()  : int
Number of components in this container.
getComponents()  : array<string|int, mixed>
Retrieve all the components.
getType()  : TODO
TODO
newComponent()  : object
Return a reference to a new component.
parsevCalendar()  : bool
TODO
removeAttribute()  : mixed
Remove all occurences of an attribute.
setAttribute()  : mixed
Sets the value of an attribute.
setParameter()  : bool
Sets parameter(s) for an (already existing) attribute. The parameter set is merged into the existing set.
setVersion()  : mixed
Sets the version of this component.
toHash()  : array<string|int, mixed>
Export this entry as a hash array with tag names as keys.
toString()  : mixed
_checkEndDate()  : bool
Utility method to aid in checking the end date of a transition.
_exportDate()  : TODO
Exports a date field.
_exportDuration()  : mixed
Export a duration value.
_exportPeriod()  : TODO
Export a Time Period field.
_exportvData()  : string
Export this component in vCal format.
_parseDuration()  : int
Parses a DURATION value field.
_parsePeriod()  : array<string|int, mixed>
Parse a Time Period field.
_parseTime()  : TODO
Parses a Time field.
_parseTZID()  : int
Groks the TZID and returns an offset in seconds from UTC for this date and time.
_parseUtcOffset()  : TODO
Parse a UTC Offset field.

Properties

$type

The component type of this class.

public string $type = 'daylight'

$_attributes

The name/value pairs of attributes for this object (UID, DTSTART, etc.). Which are present depends on the object and on what kind of component it is.

protected array<string|int, mixed> $_attributes = array()

$_components

Any children (contained) iCalendar components of this object.

protected array<string|int, mixed> $_components = array()

$_newline

According to RFC 2425, we should always use CRLF-terminated lines.

protected string $_newline = "\r\n"

$_oldFormat

Whether entry is vcalendar 1.0, vcard 2.1 or vnote 1.1.

protected mixed $_oldFormat = \true

These 'old' formats are defined by www.imc.org. The 'new' (non-old) formats icalendar 2.0 and vcard 3.0 are defined in rfc2426 and rfc2445 respectively.

$_version

iCalendar format version (different behavior for 1.0 and 2.0 especially with recurring events).

protected string $_version

Methods

__construct()

Constructor.

public __construct([mixed $version = '2.0' ]) : mixed
Parameters
$version : mixed = '2.0'
Return values
mixed —

_exportDateTime()

Export a DateTime field.

public _exportDateTime(int|object|array<string|int, mixed> $value[, bool $floating = false ]) : string
Parameters
$value : int|object|array<string|int, mixed>

The time value to export (either a Horde_Date, array, or timestamp).

$floating : bool = false

Whether to return a floating date-time (without time zone information).

Tags
todo

A bunch of code calls this function outside this class, so it needs to be marked public for now.

Return values
string —

The string representation of the datetime value.

_exportUtcOffset()

Export a UTC Offset field.

public _exportUtcOffset( $value) : TODO
Parameters
$value :

TODO

Return values
TODO —

_getEndDifference()

Returns the difference between the datetime indicated by $a and the datetime indicated by $b after normalizing both values to a unix timestamp. Used when sorting timezone transitions that may contain mixed format end times.

public static _getEndDifference(mixed $a, mixed $b) : bool
Parameters
$a : mixed
$b : mixed
Tags
todo

This needs to be public/static due to it being called from a anonymous function. See PR: 213. This can be removed once we no longer support PHP 5.3.

Return values
bool —

True if $a < $b otherwise false.

_parseDate()

Parses a Date field.

public _parseDate( $text) : array<string|int, mixed>
Parameters
$text :

TODO

Return values
array<string|int, mixed> —

TODO

_parseDateTime()

Parses a DateTime field and returns a unix timestamp. If the field cannot be parsed then the original text is returned unmodified.

public _parseDateTime(string $text[, string $tzid = false ]) : int
Parameters
$text : string

The Icalendar datetime field value.

$tzid : string = false

A timezone identifier.

Tags
todo

This function should be moved to Horde_Date and made public.

Return values
int —

A unix timestamp.

addComponent()

Add a vCalendar component (eg vEvent, vTimezone, etc.).

public addComponent(mixed $components) : mixed
Parameters
$components : mixed
Return values
mixed —

clear()

Clears the iCalendar object (resets the components and attributes arrays).

public clear() : mixed
Return values
mixed —

exportvCalendar()

TODO

public exportvCalendar() : TODO
Return values
TODO —

findComponent()

Locates the first child component of the specified class, and returns a reference to it.

public findComponent(mixed $childclass) : mixed
Parameters
$childclass : mixed
Return values
mixed —

findComponentByAttribute()

Locates the first matching child component of the specified class, and returns a reference to it.

public findComponentByAttribute(string $childclass, string $attribute[, string $value = null ]) : mixed
Parameters
$childclass : string

The type of component to find.

$attribute : string

This attribute must be set in the component for it to match.

$value : string = null

Optional value that $attribute must match.

Return values
mixed —

getAllAttributes()

Get attributes for all tags or for a given tag.

public getAllAttributes([string $tag = false ]) : array<string|int, mixed>
Parameters
$tag : string = false

Return attributes for this tag, or all attributes if not given.

Return values
array<string|int, mixed> —

An array containing all the attributes and their types.

getAttribute()

Get the value of an attribute.

public getAttribute(string $name[, bool $params = false ]) : mixed
Parameters
$name : string

The name of the attribute.

$params : bool = false

Return the parameters for this attribute instead of its value.

Tags
throws
Horde_Icalendar_Exception
Return values
mixed —

(string) The value of the attribute. (array) The parameters for the attribute or multiple values for an attribute.

getAttributeDefault()

Returns the value of an attribute, or a specified default value if the attribute does not exist.

public getAttributeDefault(string $name[, mixed $default = '' ]) : mixed
Parameters
$name : string

The name of the attribute.

$default : mixed = ''

What to return if the attribute specified by $name does not exist.

Return values
mixed —

(mixed) The value of $name. (mixed) $default if $name does not exist.

getAttributeSingle()

Get a single value of an attribute.

public getAttributeSingle(string $name) : string

If multiple values, is auto-determined by library which is preferred value to return.

Parameters
$name : string

The name of the attribute.

Tags
since
2.1.0
throws
Horde_Icalendar_Exception
Return values
string —

The value of the attribute.

getAttributeValues()

Gets the values of an attribute as an array. Multiple values are possible due to:

public getAttributeValues(string $name) : array<string|int, mixed>

a) multiple occurences of 'name' b) (unsecapd) comma seperated lists.

So for a vcard like "KEY:a,b\nKEY:c" getAttributesValues('KEY') will return array('a', 'b', 'c').

Parameters
$name : string

The name of the attribute.

Tags
throws
Horde_Icalendar_Exception
Return values
array<string|int, mixed> —

Multiple values for an attribute.

getComponent()

Retrieve a specific component.

public getComponent(int $idx) : mixed
Parameters
$idx : int

The index of the object to retrieve.

Return values
mixed —

(boolean) False if the index does not exist. (Horde_Icalendar_*) The requested component.

getComponentClasses()

Return the classes (entry types) we have.

public getComponentClasses() : array<string|int, mixed>
Return values
array<string|int, mixed> —

Hash with class names Horde_Icalendar_xxx as keys and number of components of this class as value.

getComponentCount()

Number of components in this container.

public getComponentCount() : int
Return values
int —

Number of components in this container.

getComponents()

Retrieve all the components.

public getComponents() : array<string|int, mixed>
Return values
array<string|int, mixed> —

Array of Horde_Icalendar objects.

getType()

TODO

public getType() : TODO
Return values
TODO —

newComponent()

Return a reference to a new component.

public static newComponent(string $type, Horde_Icalendar $container) : object
Parameters
$type : string

The type of component to return

$container : Horde_Icalendar

A container that this component will be associated with.

Return values
object —

Reference to a Horde_Icalendar_* object as specified.

parsevCalendar()

TODO

public parsevCalendar(mixed $text[, mixed $base = 'VCALENDAR' ][, mixed $clear = true ]) : bool
Parameters
$text : mixed

The data to parse.

$base : mixed = 'VCALENDAR'

The type of the base object.

$clear : mixed = true

If true clears this object before parsing.

Return values
bool —

True on successful import, false otherwise.

removeAttribute()

Remove all occurences of an attribute.

public removeAttribute(string $name) : mixed
Parameters
$name : string

The name of the attribute.

Return values
mixed —

setAttribute()

Sets the value of an attribute.

public setAttribute(string $name, string $value[, array<string|int, mixed> $params = array() ][, bool $append = true ][, array<string|int, mixed> $values = false ]) : mixed
Parameters
$name : string

The name of the attribute.

$value : string

The value of the attribute.

$params : array<string|int, mixed> = array()

Array containing any addition parameters for this attribute.

$append : bool = true

True to append the attribute, False to replace the first matching attribute found.

$values : array<string|int, mixed> = false

Array representation of $value. For comma/semicolon seperated lists of values. If not set use $value as single array element.

Return values
mixed —

setParameter()

Sets parameter(s) for an (already existing) attribute. The parameter set is merged into the existing set.

public setParameter(string $name[, array<string|int, mixed> $params = array() ]) : bool
Parameters
$name : string

The name of the attribute.

$params : array<string|int, mixed> = array()

Array containing any additional parameters for this attribute.

Return values
bool —

True on success, false if no attribute $name exists.

setVersion()

Sets the version of this component.

public setVersion(string $version) : mixed
Parameters
$version : string

A float-like version string.

Tags
see

$version

see

$oldFormat

Return values
mixed —

toHash()

Export this entry as a hash array with tag names as keys.

public toHash([bool $paramsInKeys = false ]) : array<string|int, mixed>
Parameters
$paramsInKeys : bool = false

If false, the operation can be quite lossy as the parameters are ignored when building the array keys. So if you export a vcard with LABEL;TYPE=WORK:foo LABEL;TYPE=HOME:bar the resulting hash contains only one label field! If set to true, array keys look like 'LABEL;TYPE=WORK'

Return values
array<string|int, mixed> —

A hash array with tag names as keys.

toString()

public toString() : mixed
Return values
mixed —

_checkEndDate()

Utility method to aid in checking the end date of a transition.

protected _checkEndDate(int $t, array<string|int, mixed> $times) : bool
Parameters
$t : int

The timestamp of the date we are checking.

$times : array<string|int, mixed>

A transition array.

Return values
bool —

True if $t is before the end date of the transition otherwise false.

_exportDate()

Exports a date field.

protected _exportDate(object|array<string|int, mixed> $value[, string $autoconvert = false ]) : TODO
Parameters
$value : object|array<string|int, mixed>

Date object or hash.

$autoconvert : string = false

If set, use this as time part to export the date as datetime when exporting to Vcalendar 1.0. Examples: '000000' or '235959'

Return values
TODO —

_exportDuration()

Export a duration value.

protected _exportDuration( $value) : mixed
Parameters
$value :

TODO

Return values
mixed —

_exportPeriod()

Export a Time Period field.

protected _exportPeriod( $value) : TODO
Parameters
$value :

TODO

Return values
TODO —

_exportvData()

Export this component in vCal format.

protected _exportvData([string $base = 'VCALENDAR' ]) : string
Parameters
$base : string = 'VCALENDAR'

The type of the base object.

Return values
string —

vCal format data.

_parseDuration()

Parses a DURATION value field.

protected _parseDuration(string $text) : int
Parameters
$text : string

A DURATION value.

Return values
int —

The duration in seconds.

_parsePeriod()

Parse a Time Period field.

protected _parsePeriod( $text) : array<string|int, mixed>
Parameters
$text :

TODO

Return values
array<string|int, mixed> —

TODO

_parseTime()

Parses a Time field.

protected _parseTime( $text) : TODO
Parameters
$text :

TODO

Return values
TODO —

_parseTZID()

Groks the TZID and returns an offset in seconds from UTC for this date and time.

protected _parseTZID(array<string|int, mixed> $date, array<string|int, mixed> $time, string $tzid) : int
Parameters
$date : array<string|int, mixed>

A date hash.

$time : array<string|int, mixed>

A time hash.

$tzid : string

A timezone ID.

Return values
int —

The offset from UTC in seconds for the provided timezone and date/time.

_parseUtcOffset()

Parse a UTC Offset field.

protected _parseUtcOffset( $text) : TODO
Parameters
$text :

TODO

Return values
TODO —

Search results