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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "Hello " . world . "!"; ?>
based on jABl1
Output for 7.2.0
Warning: Use of undefined constant world - assumed 'world' (this will throw an Error in a future version of PHP) in /in/HiIBh on line 3 Hello world!
Output for 4.3.0 - 7.1.7
Notice: Use of undefined constant world - assumed 'world' in /in/HiIBh on line 3 Hello world!