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wincache_ucache_cas

PHP function Edit on GitHub ✎

(PECL wincache >= 1.1.0)

Compares the variable with old value and assigns new value to it

Description

wincache_ucache_cas(string $key, int $old_value, int $new_value): bool

Compares the variable associated with the key with old_value and if it matches then assigns the new_value to it.

Parameters

key

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

old_value

Old value of the variable pointed by key in the user cache. The value should be of type long, otherwise the function returns false.

new_value

New value which will get assigned to variable pointer by key if a match is found. The value should be of type long, otherwise the function returns false.

Return Values

Success

Examples

Using wincache_ucache_cas()

php
<?php
wincache_ucache_set('counter', 2922);
var_dump(wincache_ucache_cas('counter', 2922, 1));
var_dump(wincache_ucache_get('counter'));
?>

The above example will output:

output
bool(true) 
int(1)

See Also

Source: reference/wincache/functions/wincache-ucache-cas.xml · from the official PHP manual (php/doc-en)