Accessing html table from PHP

Question

I'm really having a hard time with accessing my html table from PHP.

This is what I have:

file.php

<?php

  ...some php code
  $someValue = '2012';

?>

<script language='javascript'>
    var table = document.getElementById('tableId');

     for (var i = '<php echo $myVar?>',row; row = table.rows[ '<php echo $myVar?>']; i++) {
        //iterate through rows
        //rows would be accessed using the 'row' variable assigned in the for loop
        for (var j = 0, col; col = row.cells[j]; j++) {
            //iterate through columns
            //columns would be accessed using the 'col' variable assigned in the for loop
            col.innerHTML = '<?php  $someValue; ?>'  
        }  
    }
</script> 

<?php

  ... continue php codes.       
?>

Do I make sense here? I wanted to place the $someValue to my table cell.

Help

The flow is something like this... I have

file-1.php

contains my table
contains file-1.js

file-1.js

has an ajax object that executes file-2.php

then I wanted file-2.php to access the table in file-1.php and fill out the cells with the values generated in file-2.php

Kai Qing · Accepted Answer · 2012-02-16 04:00:13Z

1

You need to echo that variable.

<?php echo $someValue; ?>

answered Feb 16, 2012 at 4:00

Kai Qing

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4 Comments

tinks Over a year ago

thanks @Kai Qing, i echo'ed it already but still not showing.. am i accessing the cell correctly?

Kai Qing Over a year ago

If you view source do you get col.innerHTML = '2012'? It could be that php is echoing as expected but your js is never called to actually write the dom element, or is called incorrectly.

tinks Over a year ago

yes, the col.innerHTML has the correct value when i view source.. :( but its not reflecting on my page..

Kai Qing Over a year ago

You should try putting all your js into a window onload listener then: window.onload = function(){ //your code }; it echoes as expected but is likely being called before the dom is actually written. Therefore, tableId is not present and the for loop may have nothing to iterate through.

Farzher · Accepted Answer · 2012-02-16 04:00:37Z

1

You simply forgot to `echo` it out.

col.innerHTML = '<?php echo $someValue; ?>';

answered Feb 16, 2012 at 4:00

Farzher

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1 Comment

tinks Over a year ago

thanks.. yeah i forgot to echo.. i tried and still its not showing in my table ;( am i accessing the cell correctly?

Akhil Thayyil · Accepted Answer · 2012-02-16 06:17:58Z

0

As you are using ajax, send the new values from file2.php in a json form (http://www.json.org/) for eg try this ( http://www.itnewb.com/tutorial/Introduction-to-JSON-and-PHP)

Then use javascript to get the json values each and then u can update ur html table .

Better use some javascript libraries like Jquery ( http://www.jquery.com/ ) , so that u can do this easily

edited Feb 16, 2012 at 6:17

answered Feb 16, 2012 at 4:20

Akhil Thayyil

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10 Comments

tinks Over a year ago

thanks @Akhil Thayyil but it is still not showing.. would it matter if my table is inside <div>?

Akhil Thayyil Over a year ago

Am not sure about ur logic , i have corrected it anyways var i = '<?php echo $myVar?>';//Changes this var i = <?php echo $myVar?>; Check this js in fiddle jsfiddle.net/A44RV

tinks Over a year ago

thanks @Akhil hmmm.. because they are different files.. is that possible?

tinks Over a year ago

what i mean is, the file which contains my html table is different from my php file that tries to access the table.. is that possible?

Akhil Thayyil Over a year ago

what ur saying ? ur doing it in javascript and the output after php parsing contain the javacript+html(including ur tables )+ur processed php code , so all these are finnaly comes under a single page . so how can both be different , pls state ur problem with all possible details then only we can help u at its best

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You simply forgot to `echo` it out.

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You simply forgot to echo it out.

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You simply forgot to `echo` it out.