Calling Codeigniter Controller function inside the jquery

Question

I want to specify the controller path inside the .ajax function of jquery.

type:'POST',
                    url:"<?php site_url('login/validate'); ?>",
                    //dataType: "json",
                    data:data1,

                    success: function (response){

                            //alert (response);

                            $("span.error").html('Congrats! You are successfully registered with our site').addClass('error');
                            //window.location="site";

                        },

Currently i am doing this but the path is taken as a string. Its going into the success function i dont know whay? but when i alert the response it gives an error of "Disallowed key characters"

And what is code inside the controller and what data are you sending? — Jibran K
– Jibran K, Commented Mar 24, 2014 at 8:23
The code you have presented in your example, where is it placed? In a view (.php) file or in a Javascript (.js) file? — Silviu G
– Silviu G, Commented Mar 24, 2014 at 8:27
the code is placed in the .js file and i am validating the form fields and want to send the data to the php controller after validation to be inserted into the database — Top Gun
– Top Gun, Commented Mar 24, 2014 at 8:29
if you want to add php code to JS file, you need to serve the JS from a PHP file. Add a controller and change its header information and then add the JS in it's view and include the controller URL instead of the JS file. — Jibran K
– Jibran K, Commented Mar 24, 2014 at 8:50

Shijin TR · Accepted Answer · 2014-03-24 08:23:52Z

1

This was due to url:"<?php site_url('login/validate'); ?>", create only url:"",You need to echo the url.

  url:"<?php site_url('login/validate'); ?>",

Change to

  url:"<?php echo site_url('login/validate'); ?>",

OR

 url:"<?= site_url('login/validate'); ?>",

answered Mar 24, 2014 at 8:23

Shijin TR

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2 Comments

Top Gun Over a year ago

i have tried this and chk on the firefox debugger it is still taking that url as a string :(

Shijin TR Over a year ago

var url="<?= site_url('login/validate'); ?>"; and try url:url,

Nikunj Kabariya · Accepted Answer · 2014-03-24 08:31:53Z

1

Change your line

 url:"<?php site_url('login/validate'); ?>",

To

 url:"<?php echo site_url('login/validate'); ?>",

answered Mar 24, 2014 at 8:31

Nikunj Kabariya

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Comments

Pattle · Accepted Answer · 2014-03-24 09:56:49Z

1

Rather than doing

url:"<?php site_url('login/validate'); ?>",

You need to do

url:"<?php echo site_url('login/validate'); ?>",

Because you want to echo out the return value of site_url

Note: The above won't work if you are attempting to call a PHP function from a .js file. You will need to build the JavaScript from a .php file. Alternatively you could declare a global JS variable with the result of site_url before you call your JS file and access it that way.

answered Mar 24, 2014 at 9:56

Pattle

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