if (isset($_GET['num'])) {
if (is_numeric($_GET['num'])){
if (strlen($_GET['num']) < 7){
if ($_GET['num'] > 999999)
echo "this is a bug";
}
}
}
What number can replace with num that print echo?
BY Programming Challenges
A project of our size needs at least a few hundred million dollars per year to keep going,” Mr. Durov wrote in his public channel on Telegram late last year. “While doing that, we will remain independent and stay true to our values, redefining how a tech company should operate.
Bitcoin mining is the process of adding new transactions to the Bitcoin blockchain. It’s a tough job. People who choose to mine Bitcoin use a process called proof of work, deploying computers in a race to solve mathematical puzzles that verify transactions.To entice miners to keep racing to solve the puzzles and support the overall system, the Bitcoin code rewards miners with new Bitcoins. “This is how new coins are created” and new transactions are added to the blockchain, says Okoro.
Programming Challenges How to be a breathtaking Programmer from ua