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    wincache_ucache_cas

    (PECL wincache >= 1.1.0)

    wincache_ucache_cas — 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

    Returns true on success or false on failure.

    Examples

    Example #1 Using wincache_ucache_cas()

    <?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:

    bool(true) 
int(1)

    See Also

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