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run code in 150+ php & hhvm versions
Bugs & Features
<?php //formula: function numSms ($chaCount) { $sms = 1; if($chaCount > 160) { $sms += floor(($chaCount - 160) / 153); //add on the whole number of extra SMSs needed $sms += ceil((($chaCount - 160) % 153) / 153); //with the remainder, work out how many are needed (atypically, just one) } return $sms; } var_dump(numSms(305)); var_dump(numSms(306)); var_dump(numSms(307));
based on 9Rmli
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
float(2) float(2) float(2)
Output for hhvm-3.10.0

Process exited with code 153.