SPIP Agora 1.4 : Vue détaillée de TimeZone.php

Classe: Date_TimeZone - X-Ref

TimeZone representation class, along with time zone information data.

TimeZone representation class, along with time zone information data.
The default timezone is set from the first valid timezone id found
in one of the following places, in this order: 
1) global $_DATE_TIMEZONE_DEFAULT 
2) system environment variable PHP_TZ 
3) system environment variable TZ 
4) the result of date('T') 
If no valid timezone id is found, the default timezone is set to 'UTC'.
You may also manually set the default timezone by passing a valid id to
Date_TimeZone::setDefault(). 

This class includes time zone data (from zoneinfo) in the form of a global array, $_DATE_TIMEZONE_DATA.

Date_TimeZone($id) X-Ref

Constructor

Creates a new Date::TimeZone object, representing the time zone
specified in $id. If the supplied ID is invalid, the created
time zone is UTC.

param: string $id the time zone id
return: object Date_TimeZone the new Date_TimeZone object

getDefault() X-Ref

Return a TimeZone object representing the system default time zone

Return a TimeZone object representing the system default time zone,
which is initialized during the loading of TimeZone.php.

return: object Date_TimeZone the default time zone

setDefault($id) X-Ref

Sets the system default time zone to the time zone in $id

Sets the system default time zone to the time zone in $id

param: string $id the time zone id to use

isValidID($id) X-Ref

Tests if given id is represented in the $_DATE_TIMEZONE_DATA time zone data

Tests if given id is represented in the $_DATE_TIMEZONE_DATA time zone data

param: string $id the id to test
return: boolean true if the supplied ID is valid

isEqual($tz) X-Ref

Is this time zone equal to another

Tests to see if this time zone is equal (ids match)
to a given Date_TimeZone object.

param: object Date_TimeZone $tz the timezone to test
return: boolean true if this time zone is equal to the supplied time zone

isEquivalent($tz) X-Ref

Is this time zone equivalent to another

Tests to see if this time zone is equivalent to
a given time zone object. Equivalence in this context
is defined by the two time zones having an equal raw
offset and an equal setting of "hasdst". This is not true
equivalence, as the two time zones may have different rules
for the observance of DST, but this implementation does not
know DST rules.

param: object Date_TimeZone $tz the timezone object to test
return: boolean true if this time zone is equivalent to the supplied time zone

hasDaylightTime() X-Ref

Returns true if this zone observes daylight savings time

Returns true if this zone observes daylight savings time

return: boolean true if this time zone has DST

inDaylightTime($date) X-Ref

Is the given date/time in DST for this time zone

Attempts to determine if a given Date object represents a date/time
that is in DST for this time zone. WARNINGS: this basically attempts to
"trick" the system into telling us if we're in DST for a given time zone.
This uses putenv() which may not work in safe mode, and relies on unix time
which is only valid for dates from 1970 to ~2038. This relies on the
underlying OS calls, so it may not work on Windows or on a system where
zoneinfo is not installed or configured properly.

param: object Date $date the date/time to test
return: boolean true if this date is in DST for this time zone

getDSTSavings() X-Ref

Get the DST offset for this time zone

Returns the DST offset of this time zone, in milliseconds,
if the zone observes DST, zero otherwise. Currently the
DST offset is hard-coded to one hour.

return: int the DST offset, in milliseconds or zero if the zone does not observe DST

getOffset($date) X-Ref

Get the DST-corrected offset to UTC for the given date

Attempts to get the offset to UTC for a given date/time, taking into
account daylight savings time, if the time zone observes it and if
it is in effect. Please see the WARNINGS on Date::TimeZone::inDaylightTime().

param: object Date $date the Date to test
return: int the corrected offset to UTC in milliseconds

getAvailableIDs() X-Ref

Returns the list of valid time zone id strings

Returns the list of valid time zone id strings

return: mixed an array of strings with the valid time zone IDs

getID() X-Ref

Returns the id for this time zone

Returns the time zone id for this time zone, i.e. "America/Chicago"

return: string the id

getLongName() X-Ref

Returns the long name for this time zone

Returns the long name for this time zone,
i.e. "Central Standard Time"

return: string the long name

getShortName() X-Ref

Returns the short name for this time zone

Returns the short name for this time zone, i.e. "CST"

return: string the short name

getDSTLongName() X-Ref

Returns the DST long name for this time zone

Returns the DST long name for this time zone, i.e. "Central Daylight Time"

return: string the daylight savings time long name

getDSTShortName() X-Ref

Returns the DST short name for this time zone

Returns the DST short name for this time zone, i.e. "CDT"

return: string the daylight savings time short name

getRawOffset() X-Ref

Returns the raw (non-DST-corrected) offset from UTC/GMT for this time zone

Returns the raw (non-DST-corrected) offset from UTC/GMT for this time zone

return: int the offset, in milliseconds

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Code source de SPIP Agora 1.4

/Pear/Date/ -> TimeZone.php (sommaire)

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