is_file
(PHP 4, PHP 5, PHP 7, PHP 8)
is_file — Tells whether the filename is a regular file
Parameters
filename-
Path to the file.
Return Values
Returns true if the filename exists and is a regular file, false
otherwise.
Note:
Because PHP's integer type is signed and many platforms use 32bit integers,
some filesystem functions may return unexpected results for files which
are larger than 2GB.
Errors/Exceptions
Upon failure, an E_WARNING is emitted.
Examples
Example #1 is_file() example
<?php
var_dump(is_file('a_file.txt')) . "\n";
var_dump(is_file('/usr/bin/')) . "\n";
?>
The above example will output:
Notes
Note:
The results of this
function are cached. See clearstatcache() for
more details.
is_executable
Filesystem Functions