(PHP 5 >= 5.3.2)
realpath_cache_get — Get realpath cache entries
Get the contents of the realpath cache.
Returns an array of realpath cache entries. The keys are original path entries, and the values are arrays of data items, containing the resolved path, expiration date, and other options kept in the cache.
Example #1 realpath_cache_get() example 以上例程的输出类似于：
<?php
var_dump(realpath_cache_get());
?>
array(2) {
["/test"]=>
array(4) {
["key"]=>
int(123456789)
["is_dir"]=>
bool(true)
["realpath"]=>
string(5) "/test"
["expires"]=>
int(1260318939)
}
["/test/test.php"]=>
array(4) {
["key"]=>
int(987654321)
["is_dir"]=>
bool(false)
["realpath"]=>
string(12) "/root/test.php"
["expires"]=>
int(1260318939)
}
}