spl_classes
(PHP 5)
spl_classes — 返回所有可用的SPL类
说明
array spl_classes
( void
)
本函数返回当前所有可用的 SPL 类的数组。
参数
此函数没有参数。
返回值
Returns an array containing the currently available SPL classes.
范例
Example #1 spl_classes() example
<?php
print_r(spl_classes());
?>
以上例程的输出类似于:
Array
(
    [ArrayObject] => ArrayObject
    [ArrayIterator] => ArrayIterator
    [CachingIterator] => CachingIterator
    [RecursiveCachingIterator] => RecursiveCachingIterator
    [DirectoryIterator] => DirectoryIterator
    [FilterIterator] => FilterIterator
    [LimitIterator] => LimitIterator
    [ParentIterator] => ParentIterator
    [RecursiveDirectoryIterator] => RecursiveDirectoryIterator
    [RecursiveIterator] => RecursiveIterator
    [RecursiveIteratorIterator] => RecursiveIteratorIterator
    [SeekableIterator] => SeekableIterator
    [SimpleXMLIterator] => SimpleXMLIterator
)