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wincache_ucache_dec

(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: Will be set to true on success and false on failure.

Returns the decremented value on success and false on failure.

Exemplo #1 Using wincache_ucache_dec()

<?php
wincache_ucache_set('counter', 1);
var_dump(wincache_ucache_dec('counter', 2923, $success));
var_dump($success);
?>

O exemplo acima produzirá:

int(2922) 
bool(true)

wincache_ucache_inc() - Increments the value associated with the key
wincache_ucache_cas() - Compares the variable with old value and assigns new value to it

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