wincache_ucache_inc()

(PECL wincache >= 1.1.0)

Increments the value associated with the key

说明

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

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

$key: The$keythat was used to store the variable in the cache.$keyis case sensitive.
$inc_by: The value by which the variable associated with the$keywill get incremented. If the argument is a floating point number it will be truncated to nearest integer. The variable associated with the$keyshould be of typelong, 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.

Example #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