Wordpress Plugin Ajax get Javascript Array Data into PHP Variable

Question

function my_action_javascript($val1, $val2) { 
  ?>
    <script type="text/javascript" >
    jQuery(document).ready(function($) {
        var data = {
            'email': '<?php echo $val1?>',
            'password': '<?php echo $val2?>'
    };

    jQuery.post({
      url: 'dummyurl',
      method: "POST",
      data: data,
      success: function (data) {
        console.log(data);
      }
    })
  });
    </script>
<?php
}

I got this function in my Wordpress Plugin. I parse in some data in the function and then i do a ajax request in Javascript. That all works just fine and i get the data array as response.

The Question is, how do i get the data from the Array in Javascript into my Variable in PHP so i can put the Data into my Wordpress Options?

{somedata: "datahere", moredata: "data", moredata: 66, data: null, bool: true} — F0rce
– F0rce, Commented Sep 14, 2018 at 12:33
sry i dont meant the $_POST, i mean the data i get from the success function of the AJAX Call — F0rce
– F0rce, Commented Sep 14, 2018 at 12:34

Vel · Accepted Answer · 2018-09-14 12:36:59Z

0

Try this.

you need to parse the response.

function my_action_javascript($val1, $val2) { 
  ?>
    <script type="text/javascript" >
    jQuery(document).ready(function($) {
    var data = {
        'email': '<?php echo $val1?>',
        'password': '<?php echo $val2?>'
    };

    jQuery.post({
      url: 'dummyurl',
      method: "POST",
      data: data,
      success: function (data) {
    console.log(data);
    var obj = jQuery.parseJSON( data);

    console.log(obj.somedata);
      }
    })
  });
    </script>
<?php
}

answered Sep 14, 2018 at 12:36

Vel

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3 Comments

F0rce Over a year ago

I dont know if this is the solution, my question is how can i use my response in one other php function?

Vel Over a year ago

you cannot assign javascript variable to php variable

Vel Over a year ago

you can use curl post instead of ajax

Hans · Accepted Answer · 2018-09-15 01:21:28Z

0

You need to have a PHP script that gets called by the AJAX request that will write the data into your options table. There's a specific way of doing this with Wordpress: https://codex.wordpress.org/AJAX_in_Plugins

In a nutshell, you need to add an action parameter to your POST data and then hook your PHP callback function to this parameter. In your callback, you can then use update_option().

answered Sep 15, 2018 at 1:21

Hans

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