Very weird bug: Ajax for non-admins

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I am seriously stumped. For some reason, a perfectly good and simple AJAX function (which exposes the user's email address to the frontend) is working for non-admins in one installation but not another. I've verified the code is accurate, both in PHP and Ajax. I'm registering, localizing, and enqueueing the script correctly. It works for admin but not for non-admins.

I've gone through and disabled all plugins to determine some kind of plugin conflict. I've rolled back to the 2019 theme. All to no avail.

I'm using a few plugins which may have affected the subscriber capabilities, but I can't determine which capability specifically may have been affected.

Any advice at all here?

EDIT: Here is the PHP:

add_action( "wp_ajax_get_user_email", "get_user_email" );
add_action( "wp_ajax_nopriv_get_user_email", "get_user_email" );
function get_user_email() {

        $user_id = get_current_user_id();
        $user_info = get_userdata($user_id);
        $email_address = $user_info->user_email;
        echo $email_address;

        wp_die();
}

Here is the JS:

jQuery( document ).ready( function( $ ) {

    var data = {
            "action": "get_user_email",
            };
    
    jQuery.post(ajax_object.ajax_url, data, function(response) {
            console.log("Email: " + response);
    });

});

I have considered using the REST API as an alternative. I've just been able to fix this so quickly in the past, very frustrating.

I am seriously stumped. For some reason, a perfectly good and simple AJAX function (which exposes the user's email address to the frontend) is working for non-admins in one installation but not another. I've verified the code is accurate, both in PHP and Ajax. I'm registering, localizing, and enqueueing the script correctly. It works for admin but not for non-admins.

I've gone through and disabled all plugins to determine some kind of plugin conflict. I've rolled back to the 2019 theme. All to no avail.

I'm using a few plugins which may have affected the subscriber capabilities, but I can't determine which capability specifically may have been affected.

Any advice at all here?

EDIT: Here is the PHP:

add_action( "wp_ajax_get_user_email", "get_user_email" );
add_action( "wp_ajax_nopriv_get_user_email", "get_user_email" );
function get_user_email() {

        $user_id = get_current_user_id();
        $user_info = get_userdata($user_id);
        $email_address = $user_info->user_email;
        echo $email_address;

        wp_die();
}

Here is the JS:

jQuery( document ).ready( function( $ ) {

    var data = {
            "action": "get_user_email",
            };
    
    jQuery.post(ajax_object.ajax_url, data, function(response) {
            console.log("Email: " + response);
    });

});

I have considered using the REST API as an alternative. I've just been able to fix this so quickly in the past, very frustrating.

• ajax

Share Improve this question edited Jan 25, 2021 at 20:06 user1409059 asked Jan 25, 2021 at 18:18 user1409059user1409059 1133 bronze badges 6

• what is different between installations? is there cache for non-admins? what happens if you disable Woocommerce? – Celso Bessa Commented Jan 25, 2021 at 18:27
• Can you edit your question to include the code you're debugging? Also have you considered using the newer REST API instead for your AJAX requests? – Tom J Nowell ♦ Commented Jan 25, 2021 at 18:50
• @TomJNowell Post updated – user1409059 Commented Jan 25, 2021 at 19:07
• @CelsoBessa Disabling WooCommerce does not resolve the issue. No caching. Lots of differences between the two installations, but the function of the plugin is very basic. – user1409059 Commented Jan 25, 2021 at 19:28
• Have you checked the PHP error logs? – Tom J Nowell ♦ Commented Jan 25, 2021 at 20:09

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1 Answer 1

Sorted by: Reset to default 0

Just another suggestion you could try. Rather than doing a separate AJAX call, could you just send it to your script via wp_localize_script? I'm not sure if that would have any effect on your particular bug, but it's worth a shot?

// Make data accessible to scripts
  wp_localize_script( 'my-script-handle', 'ajax_data', array( 
    'ajaxurl' => admin_url( 'admin-ajax.php' ),
    // ...other variables
    'user_email' => get_user_email(),
    // ...other variables
  ));

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