Update light-cache.md

This commit is contained in:
Jerry Ma
2021-10-08 11:41:40 +08:00
committed by GitHub
parent beaf7be606
commit 8a4924dba9

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@@ -125,9 +125,9 @@ dump(LightCache::getExpire("test")); // 返回 10
```php
$s = LightCache::set("test", "hello", 20); //假设这条代码执行时时间戳是 1616838482
zm_sleep(10);
dump(LightCache::getExpire("test")); // 返回 1616838502
dump(LightCache::getExpireTS("test")); // 返回 1616838502
zm_sleep(10);
dump(LightCache::getExpire("test")); // 返回 null
dump(LightCache::getExpireTS("test")); // 返回 null
```
### LightCache::getMemoryUsage()