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PHP is_link () function

PHP Filesystem Reference Manual Complete PHP Filesystem Reference Manual

Definition and Usage

Are The is_link () function checks the specified file is a connection.

If the file is a connection, the function returns TRUE.

grammar

is_link(file)

参数 描述
file 必需。规定要检查的文件。


Tips and Notes

Note: The results of this function are cached.Use clearstatcache () to clear the cache.


Examples

<?php
$link = "images";
if(is_link($link))
{
echo ("$link is a link");
}
else
{
echo ("$link is not a link");
}
?>

The code above will output:

images is not a link


PHP Filesystem Reference Manual Complete PHP Filesystem Reference Manual