3v4l.org

run code in 300+ PHP versions simultaneously
<span class="notranslate" onmouseover="_tipon(this)" onmouseout="_tipoff()"><span class="google-src-text" style="direction: ltr; text-align: left"><?php while (true) {}</span> <? Php while (true) {}</span>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '<' in /in/i7BF6 on line 1
Process exited with code 255.
preferences:
178.26 ms | 1399 KiB | 58 Q