(PHP 5, PHP 7, PHP 8)
spl_classes — 返回所有可用的SPL类
此函数没有参数。
Returns an array containing the currently available SPL classes.
示例 #1 spl_classes() example
<?php
print_r(spl_classes());
?>以上示例的输出类似于:
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 )