Tells whether a file exists and is readable
Syntax
is_readable ( string $filename ) : bool
Parameters
filename
Path to the file.
Return
Returns TRUE if the file or directory specified by filename exists and is readable, FALSE otherwise.
Examples
<?
function read($filename)
{
if (is_readable($filename)) {
echo "readable\n";
} else {
echo "not readable\n";
}
}
read($_SERVER['DOCUMENT_ROOT'] . '/assets/txt/file.txt');
read('false.txt');
?>readable not readable
