3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo hello; for($i=0;$i<100;$i++)$a[] = $i; foreach($a as $b)echo $b;
Output for 4.3.0 - 7.1.0
Notice: Use of undefined constant hello - assumed 'hello' in /in/ok7UU on line 2 hello0123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899