(PECL wincache >= 1.1.0)
wincache_ucache_dec — Decrements the value associated with the key
Decrements the value associated with the key by 1 or as specified
by dec_by.
key
The key that was used to store the variable in the cache.
key is case sensitive.
dec_by
The value by which the variable associated with the key will get decremented.
If the argument is a floating point number it will be truncated to nearest integer. The variable
associated with the key should be of type long, otherwise
the function fails and returns false.
success
Will be set to true on success and false on failure.
Returns the decremented value on success and false on failure.
示例 #1 Using wincache_ucache_dec()
<?php
wincache_ucache_set('counter', 1);
var_dump(wincache_ucache_dec('counter', 2923, $success));
var_dump($success);
?>以上示例会输出：
int(2922) bool(true)