spl_classes

(PHP 5, PHP 7, PHP 8)

spl_classes — 返回所有可用的SPL類

說明

spl_classes(): array

本函數(shù)返回當(dāng)前所有可用的 SPL 類的數(shù)組。

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

Returns an array containing the currently available SPL classes.

范例

示例 #1 spl_classes() example

<?php

print_r(spl_classes());

?>

以上例程的輸出類似于：

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
)