problem: #javascript and #php file upload error:
"Missing boundary in multipart/form-data POST data"
solution:
// remove this line
xhr.setRequestHeader("Content-Type", "multipart/form-data");
...it set by browser so you do not need it
how to use #XAMPP #PHP version as a default one on your Mac:
1. open terminal and type:
sudo nano ~/.bash_profile
2. add this and save file:
export XAMPP_HOME=/Applications/XAMPP
export PATH=${XAMPP_HOME}/bin:${PATH}
export PATH
open terminal and type:
php -v
you should see your #php version:
PHP 8.1.2 (cli) (built: Jan 20 2022 05:55:20) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.1.2, Copyright (c) Zend Technologies
function renderHtml($contentRenderer = null)
{
echo "<!DOCTYPE HTML>n";
echo '<html>';
if ($contentRenderer) $contentRenderer();
echo '</html>';
}