When user clicks on Logout link, the user is redirected to logout.php file and the file has following code? <?php session_unset(); session_destroy(); header("Location: index.php"); ?> What is wrong with the following code?

Which is false about foreach loop in PHP?

Best way to get the index(es) of the highest value(s) in an array?

Output of the code?

Best way to automatically deploy a PHP website using git push?

Correct way to read the result of a variable dump into a string?

Correct way to assign a class constant?

Which PHP function checks a month, day, and year number to determine if they form a valid Gregorian date?

What's the output? class angryBob{ public function angryBob(){ $this->apple = 'Taken away by Bob' } } class sillyBill extends angryBob{ var $apple; public function sillyBill() { $this->apple = 'Eaten by Bill' parent::angryBob(); } } $Bill = new sillyBill; echo $Bill->apple;

Which do not return a timestamp?

What's the output? $x=array(2=>'mouse',7=>'keyboard'); $y=array_keys($x); echo $y[1];