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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo _CHAR_SET;
Output for 7.2.0
Warning: Use of undefined constant _CHAR_SET - assumed '_CHAR_SET' (this will throw an Error in a future version of PHP) in /in/UhNkg on line 3 _CHAR_SET
Output for 5.3.18 - 7.1.10
Notice: Use of undefined constant _CHAR_SET - assumed '_CHAR_SET' in /in/UhNkg on line 3 _CHAR_SET