(PECL wincache >= 1.1.0)
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.
Parameters:
key
The key that was used to store the variable in the cache. key is case sensitive.
Returns:
Returns TRUE if variable with the key exitsts, otherwise returns FALSE.
Examples:
Using wincache_ucache_exists()
<?php
if (!wincache_ucache_exists('green'))
wincache_ucache_set('green', 1);
var_dump(wincache_ucache_exists('green'));
?>
The above example will output:
bool(true)
See also:
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