Need to pass long text variables from JavaScript to PHP -

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Amateur here ... I have an SSL query, need to pass the variable on the JS page and on a PHP webpage I know how to pass more simple variables through the URL, but I'm struggling to find and implement the most efficient way to pass a long string, i.e. the text description of a point

Here on the JS side, I have: 

  downloadUrl ("php_genxml1.php") Maroh (data) {var xml = data.responseXML; on Issue = xml.documentElement.getElementsByTagName ("point"); (For I = 0; I & lt; points.length; i ++) {var ID = [I] .getAttribute ("id"); var name = number [i] .getAttribute ("name"); description = number [i] .getAttribute ("description"); var url = "? PHPWebPage.php Name = "+ name +" & id = "+ id;   
 To get the ID from uRL, I have used the stuff like standard  
  $ id = $ _ receive ['id'];   
 I know that I can run a closed based query again this url The ID, but it does certainly not the most efficient. Whatever price I know for my options (array, session, etc.)  
 Thanks for any help, C   
 
 
 Instead of posting data try. It also makes you less likely to edit your URLs in the browser. They do not want this to get the data.

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