Experimental switch regex

gistfile1.php

<?php
	$errno = 1;

	$bool = $errno == E_CORE_ERROR || $errno == E_ERROR || $errno == E_USER_WARNING || $errno == E_COMPILE_ERROR;

	var_dump($bool);


	$bool = $errno == x(E_CORE_ERROR || E_ERROR || E_USER_WARNING || E_COMPILE_ERROR);
	$bool = $errno == ||(E_CORE_ERROR, E_ERROR, E_USER_WARNING, E_COMPILE_ERROR);
        $bool = $errno == OR(E_CORE_ERROR, E_ERROR, E_USER_WARNING, E_COMPILE_ERROR);

	$str = 'uma string qualquer';

	switch($str) {
		case preg_match('/^(\[)[A-Z0-9]{4}:(' . rand(10000,29999) . '|' . rand(50000,99999) . '):[A-z]{3}(\])(.*)+/');
			/* ... */
			break;
		case preg_match('/^(\[)[A-Z0-9]{4}:[0-9]{9}:[0-9]{4}(\])+/');
			/* ... */
			break;
		default:
			/* ... */
			break;
	}