(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()
1 2 3 4 5 | <?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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