WinCache 関数
PHP Manual

wincache_ucache_dec

(PECL wincache >= 1.1.0)

wincache_ucache_dec Decrements the value associated with the key

説明

mixed wincache_ucache_dec ( string $key [, long $dec_by = 1 [, bool &$success ]] )

Decrements the value associated with the key by 1 or as specified by dec_by.

パラメータ

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.

返り値

Returns the decremented value on success and FALSE on failure.

例1 Using wincache_ucache_dec()

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

上の例の出力は以下となります。

int(2922) 
bool(true)

参考


WinCache 関数
PHP Manual