wincache_ucache_delete
(PECL wincache >= 1.1.0)
wincache_ucache_delete — Deletes variables from the user cache
Description
Deletes the elements in the user cache pointed by key.
Parameters
-
key -
The
keythat was used to store the variable in the cache.keyis case sensitive.keycan be an array of keys.
Return Values
Returns true on success or false on failure.
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.
Examples
Example #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'));
?>The above example will output:
bool(true) bool(false)
Example #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));
?>The above example will output:
array(4) { [0]=> string(5) "green"
[1]=> string(4) "Blue"
[2]=> string(6) "yellow"
[3]=> string(4) "cyan" }
Example #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));
?>The above example will output:
array(2) { [0]=> string(6) "yellow"
[1]=> string(4) "cyan" }
See Also
- 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
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