在yii中使用ajax将变量从JavaScript传递到PHP

Question

I want to pass variable from javascript to php using POST and I am doing something like the following. I view1.php

 <script>
function testing(col) {
    $("#bookId").val(col);
    $.ajax({
            type: 'POST',
            url: <?php echo Yii::app()->createUrl('siteaccess/create') ?>,
            data: {ad_id:<?php echo "hello" ?>},
            success: function(col){console.log(col)},
    });
}
</script>

In same file I have following code calling testing()

function(){
testing($(this).parent().parent().children(\':nth-child(2)\').text());
 }

In create.php I have

<?php 
$v = $_POST['ad_id'];
echo $v;
?>

For create.php I am getting this error "Undefined index: ad_id". Can anyone guide where I am making mistake?

Answer 1

You have missed the semicolumn in the php code and also define the dataType in the ajax request:

$.ajax({
        type: 'POST',
        url: "<?php echo Yii::app()->createUrl('siteaccess/create'); ?>",
        data: {"ad_id":"<?php echo 'hello'; ?>"},
        dataType: 'text',
        success: function(col){console.log(col)},
});

use the above code.

Answer 2

Neither your URL or ad_id contain quotes so it won't work. Try this:

<script>
function testing(col) {
    $("#bookId").val(col);
    $.ajax({
            type: 'POST',
            url: "<?php echo Yii::app()->createUrl('siteaccess/create') ?>",
            data: {ad_id:"<?php echo "hello" ?>"},
            success: function(col){console.log(col)},
    });
}
</script>