bladeDirectives.php

<?php
$blade = Blade::getFacadeRoot();

$blade->directive('hasErrorClass', function ($expression) {
    return '<?php echo ($errors->has' . $expression . ') ? "has-error" : null; ?>';
});

$blade->directive('errorBlock', function ($expression) {
    $name = str_replace(['(', ')'], null, $expression);

    return '<?php echo $errors->first(' . $name . ', \'<span class="help-block">:message</span>\') ?>';
});