Fetch the current memory usage of the Lua environment

# LuaSandbox::getMemoryUsage

(PECL luasandbox >= 1.0.0)

LuaSandbox::getMemoryUsage — Fetch the current memory usage of the Lua environment

### 说明

public function LuaSandbox::getMemoryUsage(): int

Fetches the current memory usage of the Lua environment.

### 参数

此函数没有参数。

### 返回值

Returns the current memory usage in bytes.

### 参见

- LuaSandbox::getPeakMemoryUsage() - Fetch the peak memory usage of the Lua environment
- LuaSandbox::getCPUUsage() - Fetch the current CPU time usage of the Lua environment
- LuaSandbox::setMemoryLimit() - Set the memory limit for the Lua environment

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