wincache_ucache_delete
(PECL wincache >= 1.1.0)
wincache_ucache_delete — Deletes variables from the user cache
Beschreibung
Deletes the elements in the user cache pointed by key.
Parameter-Liste
-
key -
The
keythat was used to store the variable in the cache.keyis case sensitive.keycan be an array of keys.
Rückgabewerte
Gibt bei Erfolg true zurück. Bei einem Fehler wird false zurückgegeben.
If key is an array then the function returns false
if every element of the array fails to get deleted from the user cache, otherwise returns an
array which consists of all the keys that are deleted.
Beispiele
Beispiel #1 Using wincache_ucache_delete() with key as a string
<?php
wincache_ucache_set('foo', 'bar');
var_dump(wincache_ucache_delete('foo'));
var_dump(wincache_ucache_exists('foo'));
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
bool(true) bool(false)
Beispiel #2 Usingwincache_ucache_delete() with key as an array
<?php
$array1 = array('green' => '5', 'blue' => '6', 'yellow' => '7', 'cyan' => '8');
wincache_ucache_set($array1);
$array2 = array('green', 'blue', 'yellow', 'cyan');
var_dump(wincache_ucache_delete($array2));
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
array(4) { [0]=> string(5) "green"
[1]=> string(4) "Blue"
[2]=> string(6) "yellow"
[3]=> string(4) "cyan" }
Beispiel #3 Using wincache_ucache_delete() with key as an array where some elements cannot be deleted
<?php
$array1 = array('green' => '5', 'blue' => '6', 'yellow' => '7', 'cyan' => '8');
wincache_ucache_set($array1);
$array2 = array('orange', 'red', 'yellow', 'cyan');
var_dump(wincache_ucache_delete($array2));
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
array(2) { [0]=> string(6) "yellow"
[1]=> string(4) "cyan" }
Siehe auch
- wincache_ucache_set() - Adds a variable in user cache and overwrites a variable if it already exists in the cache
- wincache_ucache_add() - Adds a variable in user cache only if variable does not already exist in the cache
- wincache_ucache_get() - Gets a variable stored in the user cache
- wincache_ucache_clear() - Deletes entire content of the user cache
- wincache_ucache_exists() - Checks if a variable exists in the user cache
- wincache_ucache_meminfo() - Retrieves information about user cache memory usage
- wincache_ucache_info() - Retrieves information about data stored in the user cache
