3v4l.org

run code in 150+ php & hhvm versions
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<?=basE64_decode('SGVsbG8gd29ybGQh');?>
Output for 5.4.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Hello world!
Output for 4.3.0 - 5.3.29
<?=basE64_decode('SGVsbG8gd29ybGQh');?>