Home/ Manual/ filesystem / functions/ is_file

is_file

PHP function Edit on GitHub ✎

(PHP 4, PHP 5, PHP 7, PHP 8)

Tells whether the filename is a regular file

Description

is_file(string $filename): bool

Tells whether the given file is a regular file. If filename is a symbolic link, it will resolve the symlink and will give information about the referred file.

Parameters

filename: Path to the file.

Return Values

Returns true if the filename exists and is a regular file, false otherwise.

32bit

Errors/Exceptions Failure

Examples

is_file() example

php

<?php
var_dump(is_file('a_file.txt')) . "\n";
var_dump(is_file('/usr/bin/')) . "\n";
?>

The above example will output:

output

bool(true)
bool(false)