TWIG debug breakpoint

src-Twig-DebugExtension.php

<?php

namespace App\Twig;

use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;

class DebugExtension extends AbstractExtension
{
    public function getFunctions(): array
    {
        return [
            new TwigFunction('breakpoint', $this->doBreakpoint(...), ['needs_context' => true, 'needs_environment' => true]),
        ];
    }

    /**
     * Triggers xDebug breakpoint, if exists.
     */
    public function doBreakpoint($env, $context, ...$args)
    {
        if (function_exists('xdebug_break')) {
            \xdebug_break();
        }
    }
}