[edit] Last updated: Fri, 17 May 2013

DateTimeZone::getTransitions

timezone_transitions_get

(PHP 5 >= 5.2.0)

DateTimeZone::getTransitions -- timezone_transitions_get — Retourne toutes les transitions d'un fuseau horaire

Description

Style orienté objet

public array DateTimeZone::getTransitions ([ int $timestamp_begin [, int $timestamp_end ]] )

Style procédural

array timezone_transitions_get ( DateTimeZone $object [, int $timestamp_begin [, int $timestamp_end ]] )

Liste de paramètres

object: Seulement en style procédural : un DateTimeZone objet retourné par timezone_open()
timestamp_begin: Début du timestamp.
timestamp_end: Fin du timestamp.

Valeurs de retour

Retourne un tableau numérique, contenant des tableaux associatifs avec toutes les transitions, en cas de succès ou FALSE si une erreur survient.

Historique

Version	Description
5.3.0	Les paramètres optionnels `timestamp_begin` et `timestamp_end` ont été ajouté.

Exemples

Exemple #1 Exemple avec timezone_transitions_get()


<?php
$timezone = new DateTimeZone("Europe/London");
$transitions = $timezone->getTransitions();
print_r(array_slice($transitions, 0, 3));
?>

L'exemple ci-dessus va afficher quelque chose de similaire à :

Array
(
    [0] => Array
        (
            [ts]  => -9223372036854775808
             [time] =>  -292277022657-01-27T08:29:52+0000
             [offset] => 3600
            [isdst]  => 1
            [abbr] => BST
         )

    [1] => Array
        (
            [ts]  => -1691964000
            [time] => 1916-05-21T02:00:00+0000
            [offset]  => 3600
            [isdst] => 1
             [abbr] => BST
        )

    [2] => Array
        (
            [ts]  => -1680472800
            [time] => 1916-10-01T02:00:00+0000
            [offset]  => 0
            [isdst] => 
             [abbr] => GMT
        )

)

add a note User Contributed Notes DateTimeZone::getTransitions - [1 notes]

down

scotts ¶

3 years ago


Getting a timezone's offset and other data at a specified point in time (now, for example) using the new PHP5.3 parameters:





<?php


$theTime = time(); # specific date/time we're checking, in epoch seconds.





$tz = new DateTimeZone('America/Los_Angeles');


$transition = $tz->getTransitions($theTime,$theTime);





# only one array should be returned into $transition. Now get the data:


$offset = $transition[0]['offset'];


$abbr = $transition[0]['abbr'];


?>





Before PHP5.3, you'd have to loop through all of the Transitions up until the current point in time, which would be a very inefficient process.

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