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run code in 150+ php & hhvm versions
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<?php echo base64_encode('Hi'); // SGk= echo base64_decode('SGk='); // Hi echo 'Hi'; // Hi eval('echo "Hi";'); // Hi eval(base64_decode('ZWNobyAiSGkiOw=='));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
SGk=HiHiHiHi