Gets the target of a link

# SplFileInfo::getLinkTarget

(PHP 5 >= 5.2.2, PHP 7, PHP 8)

SplFileInfo::getLinkTarget — Gets the target of a link

### 说明

public function SplFileInfo::getLinkTarget(): string|false

Gets the target of a filesystem link.

> 注意:

> The target may not be the real path on the filesystem. Use SplFileInfo::getRealPath() to determine the true path on the filesystem.

### 参数

此函数没有参数。

### 返回值

Returns the target of the filesystem link on success, or `false` on failure.

### 错误／异常

Throws RuntimeException on error.

### 示例

示例 #1 SplFileInfo::getLinkTarget() example

    <?php
    $info = new SplFileInfo('/Users/bbieber/workspace');
    if ($info->isLink()) {
        var_dump($info->getLinkTarget());
        var_dump($info->getRealPath());
    }
    ?>

以上示例的输出类似于：

    string(19) "Documents/workspace"
    string(34) "/Users/bbieber/Documents/workspace"

### 参见

- SplFileInfo::isLink() - Tells if the file is a link
- SplFileInfo::getRealPath() - Gets absolute path to file

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