PHP is_readable() function
Definition and usage
The is_readable() function determines whether the specified filename is readable.
Syntax
is_readable(file)
| Parameter | Description |
|---|---|
| file | Required. Specifies the file to be checked. |
Description
If by file If the specified file or directory exists and is readable, it returns TRUE.
Tips and comments
Note:The result of this function will be cached. Please use clearstatcache() to clear the cache.
Example
<?php
$file = "test.txt";
if(is_readable($file))
{
echo ("$file is readable");
}
else
{
echo ("$file is not readable");
}
?>
Output:
test.txt is readable
