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memory_get_usage
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# memory_get_peak_usage

(PHP 5 >= 5.2.0)

memory_get_peak_usage — Returns the peak of memory allocated by PHP

### 설명

int memory_get_peak_usage ([ bool `$real_usage`= false ] )

Returns the peak of memory, in bytes, that's been allocated to your PHP script.

### 인수

`real_usage`

  Set this to `TRUE` to get the real size of memory allocated from system. If not set or `FALSE` only the memory used by emalloc() is reported.

### 반환값

Returns the memory peak in bytes.

### 변경점

버전 | 설명
--- | ---
5.2.1 | Compiling with --enable-memory-limit is no longer required for this function to exist.
5.2.0 | `real_usage` was added.

### 참고

- memory_get_usage() - Returns the amount of memory allocated to PHP
- memory_limit

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memory_get_usage
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PHP Manual