3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'null'; echo "<h1>trim() en vergelijking</h1>"; if(trim($var) =="") { echo "Leeg"; } else { echo "Gevuld!"; } echo "<h1>empty()</h1>"; if(empty($var)) { echo "Leeg"; } else { echo "Gevuld!"; } ?>

preferences:
32.73 ms | 402 KiB | 5 Q