Pass parameter from Ajax to PHP file

Question

I call a PHP file from AJAX and I want to pass also a variable. This is my code:

echo "<h4 style='color:white'>Messages</h4>";
echo "<textarea cols='50' rows='10' style='font-size: 24px;'></textarea><br><br>";
echo "<button id='sendmessage' style='padding:10px'>Submit</button>";
echo "<button id='deletemessage' style='margin-left:5px;padding:10px'>Delete</button>";


echo "<script>
    jQuery('#sendmessage').click(function(){
        jQuery.ajax({
            data: { content: jQuery('textarea').val() },
            url:'wp-content/themes/dt-chocolate/postmessages.php',
            success:function(data){}
        });
    });
    </script>"

and the PHP file:

<?php
require_once('/opt/lampp/htdocs/mydomain/wp-config.php');

$post = array(
        'post_content'   =>  data.content,
        'post_title'     =>  "testing",
        'post_status'    =>  'publish',
        'post_type'      =>  'post',
        'post_category'  =>  array(28)  // Default empty.
    );  



wp_insert_post( $post );
?>

However, the content of the post is "datacontent" and not the actual text from the textarea. What am I doing wrong?

Bitwise Creative · Accepted Answer · 2015-02-06 17:19:41Z

3

echo "<script>
jQuery('#sendmessage').click(function(){
    jQuery.ajax({
        data: { content: jQuery('textarea').val() },
        url:'wp-content/themes/dt-chocolate/postmessages.php',
        type: 'POST',
        success:function(data){}
    });
});
</script>";

-

$post = array(
    'post_content'   =>  $_POST['content'],
    'post_title'     =>  "testing",
    'post_status'    =>  'publish',
    'post_type'      =>  'post',
    'post_category'  =>  array(28)  // Default empty.
);

Set .ajax type (method) to 'POST', then you can read POST request variables in PHP from the $_POST array.

answered Feb 6, 2015 at 17:19

Bitwise Creative

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1 Comment

Tasos Over a year ago

That's work. I don't know php and I tried to do it with everything I found in Google. Thank you again. I will check your answer as the best in 7 minutes due to SE limit.

Adrien · Accepted Answer · 2015-02-06 17:23:04Z

2

First, you'd probably want to use POST instead of GET. Just add type: 'POST' to the ajax params or use the "post()" function.

On the server side, the way the value should be retrieved is by using the $_GET (or $_POST) global variables. Your content should be in $_GET['content'].

answered Feb 6, 2015 at 17:23

Adrien

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