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run code in 200+ php & hhvm versions
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<?php $num = date("H"); $num_padded = sprintf("%02d", $num); echo $num_padded; // returns 04
based on djZ5W
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
17
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/OaPNr on line 5
Process exited with code 255.