# apcu_sma_info

(PECL apcu >= 4.0.0)

apcu_sma_info — Retrieves APCu Shared Memory Allocation information

### 说明

apcu_sma_info(bool `$limited` = `false`): array|false

Retrieves APCu Shared Memory Allocation information.

### 参数

`limited`
  When set to `false` (default) apcu_sma_info() will return a detailed information about each segment.

### 返回值

Array of Shared Memory Allocation data; `false` on failure.

### 示例

示例 #1 A apcu_sma_info() example

`<?php
print_r(apcu_sma_info());
?>`

以上示例的输出类似于：

    Array
    (
        [num_seg] => 1
        [seg_size] => 31457280
        [avail_mem] => 31448408
        [block_lists] => Array
            (
                [0] => Array
                    (
                        [0] => Array
                            (
                                [size] => 31448408
                                [offset] => 8864
                            )

                    )

            )

    )

### 参见

- APCu configuration directives

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