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wincache_ucache_delete

(PECL wincache >= 1.1.0)

wincache_ucache_delete Deletes variables from the user cache

Beschreibung

wincache_ucache_delete(mixed $key): bool

Deletes the elements in the user cache pointed by key.

Parameter-Liste

key

The key that was used to store the variable in the cache. key is case sensitive. key can 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

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