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run code in 150+ php & hhvm versions
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<?php echo '<'.$k.'>'; ?>
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: k in /in/EaLAI on line 2 <>
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: k in /in/EaLAI on line 2 <>