xxxxxxxxxx<html lang="en"><head> <title>Checks Whether a File Exists or Not in PHP</title></head><body>$file = "data.txt"; // Check the existence of fileif(file_exists($file)){ echo "The file $file exists." . "<br>"; // Attempt to open the file $handle = fopen($file, "r") or die("ERROR: Cannot open the file."); if($handle){ echo "File opened successfully."; // Closing the file handle fclose($handle); }} else{ echo "ERROR: The file $file does not exist.";}</body></html>