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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(o_O ^_^ O_o);
Output for 7.2.0 - 7.2.6
Warning: Use of undefined constant o_O - assumed 'o_O' (this will throw an Error in a future version of PHP) in /in/ELPFI on line 2 Warning: Use of undefined constant _ - assumed '_' (this will throw an Error in a future version of PHP) in /in/ELPFI on line 2 Warning: Use of undefined constant O_o - assumed 'O_o' (this will throw an Error in a future version of PHP) in /in/ELPFI on line 2 string(1) ""
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant o_O - assumed 'o_O' in /in/ELPFI on line 2 Notice: Use of undefined constant _ - assumed '_' in /in/ELPFI on line 2 Notice: Use of undefined constant O_o - assumed 'O_o' in /in/ELPFI on line 2 string(1) ""