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(PECL wincache >= 1.1.0)
wincache_ucache_exists — Checks if a variable exists in the user cache
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.
示例 #1 Using wincache_ucache_exists()
<?php
if (!wincache_ucache_exists('green'))
wincache_ucache_set('green', 1);
var_dump(wincache_ucache_exists('green'));
?>
以上示例会输出:
bool(true)