AJAX POST and PHP -

March 15, 2012

I have an AJAX script that sends a post request to PHP with some values. When I try to get value in PHP, I can not get anything.

AJX script is

  xmlhttp.open ("POST", "handle_data.php", true); Xmlhttp.setRequestHeader ("content type", "text / plain"); Var CMDStr = "CMD1 = Command and CMD2 = Command2"; Xmlhttp.send (cmdStr); Warning (xmlhttp.responseText);

PHP script is

  Output is just a plain empty warning box. Is there any mistake in the code?

  
   xmlhttp.onreadystatechange = function (if {(This.readyState == 4 & amp; ; Amp; this.status == 200) {If (this.responseText! = Null) {Warning (this.responseText); }}; }  
  You have to wait for the data to be used to represent the callback to use  onreadystatechange .


















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