(PECL apcu >= 4.0.0)
apcu_sma_info — Retrieves APCu Shared Memory Allocation information
$limited = false): array|falseRetrieves APCu Shared Memory Allocation information.
limited
When set to false (default) apcu_sma_info() will
return a detailed information about each segment.
Array of Shared Memory Allocation data; false on failure.
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
)
)
)
)