fembooru/ext/chatbox/yshout.php

<?php

error_reporting(E_ALL);
ob_start();
set_error_handler('errorOccurred');
include 'include.php';

if (isset($_POST['reqFor'])) {
    switch ($_POST['reqFor']) {
        case 'shout':

            $ajax = new AjaxCall();
            $ajax->process();
            break;

        case 'history':
        
            // echo $_POST['log'];
            $ajax = new AjaxCall($_POST['log']);
            $ajax->process();
            break;

        default:
            exit;
    }
} else {
    include 'example.html';
}

function errorOccurred($num, $str, $file, $line)
{
    $err = [
        'yError' => "$str. \n File: $file \n Line: $line"
    ];

    echo json_encode($err);

    exit;
}