Try Rector Online | Rector - Automated Way to Instantly Upgrade and Refactor any PHP code

Rector run Failed:

{ "totals": { "changed_files": 0, "errors": 1 }, "errors": [ { "message": "System error: \"empty branch\"\nRun Rector with \"--debug\" option and post the report here: https://github.com/rectorphp/rector/issues/new", "file": "/var/www/storage/demo/nyz4u6uz24fuudlfl5io/rector_analyzed_file.php", "line": 140 } ] }

Run Rector on your code to see what it can do for you:

PHP snippet to change

<?php

	// If there was a font color or size change, change the font tag now.
	if(@ereg("(\\\cf[0-9])||(\\\fs[0-9][0-9])", $tags)) {
		$html .= '</font><font size="'.$size.'" color="'.$color.'">';
	}

Config rector.php

<?php

declare(strict_types=1);

use Rector\Config\RectorConfig;
use Rector\Php70\Rector\FuncCall\EregToPregMatchRector;

return RectorConfig::configure()
    ->withRules([EregToPregMatchRector::class]);

Rector version: fa0a9a - released at 2025-07-30 22:14