bestprice single products

<?php

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

    //header('Content-type: text/xml');

    //Διάβασμα single προιόντων από xml
    //readfile("https://bodypro.gr/wp-load.php?security_token=f24e75561a0614fd&export_id=4&action=get_data");
    $url = 'https://bodypro.gr/wp-load.php?security_token=f24e75561a0614fd&export_id=4&action=get_data';
$file_path = '/home/bodypro/public_html/API/bestprice/bestprice.xml';

// Download the contents of the file
$xml_content = file_get_contents($url);

// Check if the XML content is valid
if (simplexml_load_string($xml_content)) {
    // Overwrite the existing file with the new content
    file_put_contents($file_path, $xml_content);
    echo "done!!!";
} else {
    // The XML content is not valid, do not overwrite the existing file
    echo "Invalid XML content";
}

// Redirect to the saved file
//header('Location: ' . $file_path);
//exit;

?>