Wordpress AJAX request results in a value not found

** I have added more details, thank you for your assistance so far

I am in the process of implementing an AJAX search functionality on my Wordpress site to filter properties based on type, location, and status.

Being a novice at AJAX, I have been following various tutorials to reach this stage but I'm facing an issue with the final step. Everything seems to be functioning correctly, however, when I try to iterate through my AJAX call using a for loop, it returns as undefined

Below is the snippet from the JavaScript file:

$ = jQuery;

var bedSearch = $("#prop-search");

var searchForm = bedSearch.find("form");

searchForm.submit(function(e){
    e.preventDefault();

    var data = {
        action : "prop_search",
        status : bedSearch.find("#status").val(),
        location_of_accom : bedSearch.find("#location").val(),
        propertytype : bedSearch.find("#property_type").val()
    };

    $.ajax({
        url : ajax_url,
        data : data,
        success : function(response) {


            bedSearch.find("ul").empty();

            for(var i = 0; i < response.length ; i++) {
                console.log(response[i]);
            }

        }
    });

});

The code for the AJAX callback (in functions.php):

// creating ajax callback

add_action ('wp_ajax_prop_search', 'bed_search_callback');
add_action ('wp_ajax_nopriv_bed_search', 'bed_search_callback');

function bed_search_callback() {

    $status1=0;
    if(isset($_GET['status'])) $status = $_GET["status"];

    $location_of_accom = 0;
    if(isset($_GET['location_of_accom'])) $location_of_accom = $_GET["location_of_accom"];

    $propertytype = 0;
    if(isset($_GET['propertytype'])) $propertytype = $_GET["propertytype"];

    $result = array();

    $args = array(
        "post_type" => "accomodation",
        "posts_per_page" => -1
    );



    $args['meta_query'][] = array (
        'key' => 'status',
        'value' => $status,
        'compare' => "LIKE"
    );

    $args['meta_query'][] = array (
        'key' => 'location_of_accom',
        'value' => $location_of_accom,
        'compare' => "LIKE"
    );

    $args['meta_query'][] = array (
        'key' => 'propertytype',
        'value' => $propertytype,
        'compare' => "LIKE"
     );





     $bed_query = new WP_Query( $args );

    while ($bed_query->have_posts() ) {

        $bed_query->the_post();

        $result[] = array(
            "id" => get_the_ID(),
            "title" => get_the_title(),
            "permalink" => get_the_permalink()
        );


}


        echo json_encode($result);

        wp_die();  
}

Here's a reference guide that I've been referring to. It has worked smoothly until the last part where I encounter difficulty in displaying the output as intended:

https://www.youtube.com/watch?v=Ol8aBPmjdmA

Current output screenshot : Screenshot of output

Answer №1

For your response to be displayed in a for loop, it should be formatted as an array, object, or JSON in a PHP file. When returning a value, ensure that it is returned in one of these three formats.

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