3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i=1; while($i=<5) { echo "The number is " . $i . "<br />" $i++ } ?>
Output for 5.3.0 - 5.3.18, 5.4.0 - 5.4.8
Parse error: syntax error, unexpected '<' in MsifO on line 4
Process exited with code 255.
preferences:
166.74 ms | 1395 KiB | 35 Q