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Editorial Team
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Asked: 2026-05-18T05:28:40+00:00

I’d like to have a form that executes some php code without having to

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I’d like to have a form that executes some php code without having to open a completely new php page. Right now, I’m familiar with “POST” so that I can execute a php file and call the variables from the HTML form using $_POST[variable] but, it takes time to open a new page, and I want to have a form that does the action right then and there.

For example, can someone write html code that creates a text box and a button, and when the user presses go, it displays the text that the user entered right next to the button.

Thanks!

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1 Answer

  1. Editorial Team

    Here’s an HTML and PHP snippet to get you started. It uses jQuery and just writes the value of textarea beneath the submit button using AJAX.

    HTML Snippet [file=so.html]

    <!DOCTYPE html>
<html><head><title>SO Example</title>
<script 
  type="text/javascript" 
  src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.js">
</script>
</head>
<body>

<form id="frm" name="frm">
  <textarea id="txt" name="txt" rows="4" cols="40">
  </textarea><br />
  <input type="submit"><br />
  <span id="result"></span>
</form>

<script type="text/javascript">
$('#frm').submit(function(e){
  e.preventDefault();
  $.ajax({
    url:"/so.php",type:"post",dataType:"html",
    data:$('#frm').serialize(),
    success:function(obj){
      $('#result').text(obj);
    }
  });
});
</script>

</body>
</html>

    PHP Snippet [file=so.php]

    <?php
echo $_POST['txt'];
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