php-generator/error-handler.php

<?php
ini_set('display_errors', false);
// set to the user defined error handler
set_error_handler(function($errno, $errstr, $errfile, $errline) {
    if (!(error_reporting() & $errno)) {
        // This error code is not included in error_reporting, so let it fall
        // through to the standard PHP error handler
        return false;
    }

    switch ($errno) {
        case E_USER_ERROR:
            echo <<<ERROR
        <article class="message is-danger">
            <div class="message-body">
                    <strong>Error!!!</strong><br />\n
                    $errstr<br />\n
                    Fatal error on line $errline in file $errfile<br />\n
                    Aborting...<br />\n
            </div>
        </article>
ERROR;

            exit(1);
            break;

        case E_USER_WARNING:
            echo <<<WARNING
        <article class="message is-warning">
            <div class="message-body">
                    <strong>Warning!!!</strong><br />\n
                    $errstr<br />\n
                    Warning on line $errline in file $errfile<br />\n
            </div>
        </article>
WARNING;
            break;

        case E_USER_NOTICE:
            echo <<<NOTICE
        <article class="message is-dark">
            <div class="message-body">
                    <strong>Notice!!!</strong><br />\n
                    $errstr<br />\n
                    Notice on line $errline in file $errfile<br />\n
            </div>
        </article>
NOTICE;
            break;

        default:
            echo "Unknown error type: [$errno] $errstr<br />\n";
            break;
    }

    /* Don't execute PHP internal error handler */
    return true;
});
function shutdown()
{
    // This is our shutdown function, in
    // here we can do any last operations
    // before the script is complete.

    echo 'Script executed with success', PHP_EOL;
}

register_shutdown_function(function() {
    $error = error_get_last();
    switch ($error['type']) {
        case E_ERROR:
        case E_CORE_ERROR:
        case E_COMPILE_ERROR:
        case E_CORE_WARNING:
        case E_PARSE:
            echo <<<ERROR
            <article class="message is-danger">
                <div class="message-body">
                        <strong>Error!!!</strong><br />\n
                        {$error['message']}<br />\n
                        PHP Internal error on line {$error['line']} in file {$error['file']}<br />\n
                        Aborting...<br />\n
                </div>
            </article>
ERROR;
            break;
        default:
            if (!empty($error['type'])) {
                echo "Unknown error type: {$error['type']} {$error['message']}<br />\n";
            }
    }

    return true;
});