PHP-Handbuch: Checks if a variable exists in the user cache

bool wincache_ucache_exists ( string $key )

Checks if a variable with the key exists in the user cache or not.

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

Returns TRUE if variable with the key exitsts, otherwise returns FALSE.

Beispiel #1 Using wincache_ucache_exists


<?php
if (!wincache_ucache_exists('green'))
    wincache_ucache_set('green', 1);
var_dump(wincache_ucache_exists('green'));
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

bool(true)