PHP post using the curl

send_file.php

<?php

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


$target_url = 'http://my-other-domain/phpspreadsheet/receive.php';
$return_url = 'http://127.0.0.1/webfiles/phpspreadsheet/receive.php';
$filename = 'Nalo_contact_sheet.xlsx';
$file_name_with_full_path = realpath('./'.$filename);
$filename_split = explode('.', $filename);
$filename_sufix = $filename_split[1];
$filename_prefix = $filename_split[0];  

if ('xlsx' == $filename_sufix) {
        $post = array('key'    => 'ddf9dcbb413630dd650a9615c921b12d1dbe3e203b8f5d4d08bef5e47cd88979',
                      'phyle'  => new CURLFile($file_name_with_full_path),
                      'prefix' => $filename_prefix,
                      'usl'    => $return_url);
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL,$target_url);
        curl_setopt($ch, CURLOPT_POST,1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
        $result=curl_exec ($ch);
        curl_close ($ch);
        echo $result;
}
	
?>