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run code in 150+ php & hhvm versions
Bugs & Features
<?php if(!isset($_SESSION['user'])){ echo('<a href="user/register.php"><span class="signbutton" style="background-color:aqua;">Registrovat se</span></a> <a href="user/login.php"><span class="signbutton">Přihlásit se</span></a>'); }else{ echo('Přihlášen: '.$_SESSION['user']); } ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<a href="user/register.php"><span class="signbutton" style="background-color:aqua;">Registrovat se</span></a> <a href="user/login.php"><span class="signbutton">Přihlásit se</span></a>