file_exists() function in PHP

The file_exists method checks whether a file or directory exists. It accepts as argument the path of the file or directory to be checked. Here's what it's used for -

• It's useful when you need to know if a file exists before processing it.

In this way, when creating a new file, use this function to know whether the file already exists.

Syntax

file_exists($file_path)

Parameters

• ##file_path - Set the file or directory to check whether it exists path of. Required.

Return

The file_exists() method returns.

Returns True if the file or directory exists
• False if the file or directory does not exist

Example

Let’s See one that checks for the "candidate.txt" file and displays a message even if the file does not exist.

Real-time demonstration

<?php
$myfile = &#39;/doc/candidate.txt&#39;;
if (file_exists($myfile)) {
   echo "$myfile exists!";
} else {
   echo "$myfile does not exist!";
}
?>

The following is the output showing that the file does not exist.

Output

/doc/candidate.txt does not exist!

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