How to use php is_file function?

php is_file() function is used to determine whether a given file is a regular file. The syntax is "is_file(file)". The parameter file is the file to be checked; if the file exists and is a regular file, then Returns TRUE, otherwise returns FALSE.

php is_file() function

is_file() function checks whether the specified file is a regular file.

Syntax:

is_file(file)

Parameters:

● file: required. Specifies the documents to be checked.

Return value: If the file exists and is a regular file, it returns TRUE, otherwise it returns FALSE.

Note: The results of this function will be cached. Please use clearstatcache() to clear the cache.

php is_file() function usage example

<?php
var_dump(is_file(&#39;a_file.txt&#39;));
echo "<br>";
var_dump(is_file(&#39;/usr/bin/&#39;));
?>

Output:

bool(false)
bool(false)

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