wincache_ucache_inc

(PECL wincache >= 1.1.0)

wincache_ucache_inc — Increments the value associated with the key

wincache_ucache_inc(string $key, int $inc_by = 1, bool &$success = ?): mixed

Increments the value associated with the key by 1 or as specified by inc_by.

key: The key that was used to store the variable in the cache. key is case sensitive.
inc_by: The value by which the variable associated with the key will get incremented. 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 incremented value on success and false on failure.

示例 #1 Using wincache_ucache_inc()


<?php
wincache_ucache_set('counter', 1);
var_dump(wincache_ucache_inc('counter', 2921, $success));
var_dump($success);
?>

以上例程会输出：

int(2922) 
bool(true)

wincache_ucache_dec() - Decrements 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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