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apcu_key_info — Get detailed information about the cache key
$key
) : array|nullGet detailed information about the cache key
keyGet detailed information about the cache key
An array containing the detailed information about the cache key, or null if the key does not exist.
Example #1 A apcu_key_info() example
<?php
apcu_add('a','b');
var_dump(apcu_key_info('a'));
?>
以上例程会输出：
array(7) {
["hits"]=>
int(0)
["access_time"]=>
int(1606701783)
["mtime"]=>
int(1606701783)
["creation_time"]=>
int(1606701783)
["deletion_time"]=>
int(0)
["ttl"]=>
int(0)
["refs"]=>
int(0)
}