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# spl_classes

(PHP 5)

spl_classes -- Return available SPL classes

## Description

array spl_classes ( void )

This function returns an array with the current available SPL classes.

例子 1. spl_classes() example

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

上例的输出类似于：

    Array
    (
        [ArrayObject] => ArrayObject
        [ArrayIterator] => ArrayIterator
        [CachingIterator] => CachingIterator
        [CachingRecursiveIterator] => CachingRecursiveIterator
        [DirectoryIterator] => DirectoryIterator
        [FilterIterator] => FilterIterator
        [LimitIterator] => LimitIterator
        [ParentIterator] => ParentIterator
        [RecursiveDirectoryIterator] => RecursiveDirectoryIterator
        [RecursiveIterator] => RecursiveIterator
        [RecursiveIteratorIterator] => RecursiveIteratorIterator
        [SeekableIterator] => SeekableIterator
        [SimpleXMLIterator] => SimpleXMLIterator
    )

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