(PECL wincache >= 1.1.0)
wincache_ucache_dec — Decrements the value associated with the key
wincache_ucache_dec(string $key, int $dec_by = 1, bool &$success = ?): mixed
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 Returns the decremented value on success and false on failure.
Example #1 Using wincache_ucache_dec()
<?php
wincache_ucache_set('counter', 1);
var_dump(wincache_ucache_dec('counter', 2923, $success));
var_dump($success);
?> The above example will output:
int(2922) bool(true)
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https://www.php.net/manual/en/function.wincache-ucache-dec.php