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缓存类增加inc和dec方法 针对数值型数据提供自增和自减操作

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thinkphp
2016-07-25 12:27:41 +08:00
parent 12333cca20
commit e5dd77ea26
8 changed files with 244 additions and 0 deletions
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36
library/think/cache/driver/Lite.php vendored
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@@ -113,6 +113,42 @@ class Lite
return $ret;
}
/**
* 自增缓存（针对数值缓存）
* @access public
* @param string $name 缓存变量名
* @param int $step 步长
* @param int $expire 有效时间 0为永久
* @return false|int
*/
public function inc($name, $step = 1, $expire = null)
{
if ($this->has($name)) {
$value = $this->get($name) + $step;
} else {
$value = $step;
}
return $this->set($name, $value, $expire) ? $value : false;
}
/**
* 自减缓存（针对数值缓存）
* @access public
* @param string $name 缓存变量名
* @param int $step 步长
* @param int $expire 有效时间 0为永久
* @return false|int
*/
public function dec($name, $step = 1, $expire = null)
{
if ($this->has($name)) {
$value = $this->get($name) - $step;
} else {
$value = $step;
}
return $this->set($name, $value, $expire) ? $value : false;
}
/**
* 删除缓存
* @access public