It returns the exact $file_name string provided in the constructor, without further processing, normalisation or verification.
(PHP 5 >= 5.1.2, PHP 7)
SplFileInfo::__toString — Returns the path to the file as a string
This method will return the file name of the referenced file.
此函数没有参数。
Returns the path to the file.
Example #1 SplFileInfo::__toString() example
<?php
$info = new SplFileInfo('foo');
var_dump($info->__toString());
echo $info.PHP_EOL;
$info = new SplFileInfo('/usr/bin/php');
var_dump($info->__toString());
echo $info.PHP_EOL;
?>
以上例程的输出类似于：
string(3) "foo" foo string(12) "/usr/bin/php" /usr/bin/php
It returns the exact $file_name string provided in the constructor, without further processing, normalisation or verification.