Call ajax inside while loop

[frankiedeguello]

Hi everybody :)

I have a very stupid answer but I cannot solve it!

Connect to the mysql db, I get the records that are URLs, into the php loop I call an ajax function that reads the title tag address of the URL

ajax code

function getTitle(str1,str2)
{
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("titleTag_"+str2+"").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","url_title.php?url_name="+str1+"",true);
xmlhttp.send();
}

php code

<?php
while ($fields = @mysql_fetch_array($Query)) {
// call function that reads the title tag for each URL Listed
?>
<script type="text/JavaScript">
<!--
new getTitle('<?php echo $fields['url']; ?>', '<?php echo $fields['idOfUrl']; ?>');
-->
</script>
<div id="tagTitle_<?php echo $fields['idOfUrl']; ?>">HERE OUTPUT</div>
<?php
}
?>

but this "dirty" method does not work 'cause I think the function does not have time to read!
however..
if I change page and go back in browser window titles are shown correctly, then the function is written correctly

how can I solve it?

[diafol]

This seems very wasteful with regard to server calls. Does this run on page load? If so, what's the point of using Ajax? Just get the info via php.

[frankiedeguello]

hi
surely you're right
but reading a file (as can be an external address) requires time that I wanted to save by using ajax.. so I think this is a method, if you have other solution(s) please tell me..
thanks

[diafol]

You can read as many files as you want in php - you don't need ajax to do it. I just don't understand what you're trying to do.

Getting ALL the info before the browser accepts it (server processing) is much better than making server calls -> client calls -> server calls - if that is indeed what you're doing. Sorry if I've got the wrong end of the stick.