PHP file_exists() function

This function is used to check whether a file or directory exists or not.

Syntax

file_exists(filename);

filename is the required parameter. This is the path to the file or directory.

This function always returns boolean values, either true or false. It returns true, if the given filename or directory exists and otherwise it returns false.

Example

<?php
    $filename = 'demo.txt';
    echo file_exists($filename);
?>

Output of the above code

1

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