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    <p>The PHP function cannot be called in the way that you have illustrated above. However you can call a PHP script using AJAX, code is as shown below. Also you can find a simple example <a href="http://tallymobile.com/test3.html" rel="nofollow">here</a>. Let me know if you need further clarification</p> <p><strong>Using Jquery</strong></p> <pre><code>&lt;script type="text/javascript" src="./jquery-1.4.2.js"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; function compute() { var params="session=123"; $.post('myphpscript.php',params,function(data){ alert(data);//for testing if data is being fetched var myObject = eval('(' + data + ')'); document.getElementById("result").value=myObject(addend_1,addend_2); }); } &lt;/script&gt; </code></pre> <p><strong>Barebones Javascript Alternative</strong></p> <pre><code> &lt;script type="text/javascript"&gt; function compute() { var params="session=123" var xmlHttp; var addend_1=document.getElementById("par_1").value; var addend_2=document.getElementById("par_2").value; try { xmlHttp = new XMLHttpRequest(); } catch (e) { try { xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { alert("No Ajax for YOU!"); return false; } } } xmlHttp.onreadystatechange = function() { if (xmlHttp.readyState == 4) { ret_value=xmlHttp.responseText; var myObject = eval('(' + ret_value + ')'); document.getElementById("result").value=myObject(addend_1,addend_2); } } xmlHttp.open("POST", "http://yoururl/getjs.php", true); xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); xmlHttp.setRequestHeader("Content-length", params.length); xmlHttp.setRequestHeader("Connection", "close"); xmlHttp.send(params); } &lt;/script&gt; </code></pre>
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    1. POCalling PHP Function within Javascript
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    1. COI really have to recommend the jQuery library for Ajax. It just makes things ridiculously simpler and worry free.
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      1. USGlenn Nelson
    2. COAbsolutely, however every newbie needs to start ground up, hence my use of barebones javascript
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      1. USPhilar
    3. COThanks for the help. Just one more thing can any show me a simple jQuery.ajax example. I want to know its basic implementation.
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      1. USVineet Sharma
 

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