What is the use of memory_get_peak_usage()?

Which is true about the curl_setopt() API?

Which is incorrect about empty()?

Which statement is correct?

Correct way to profile a PHP function (without relying on 3rd party libraries and/or PHP extensions)?

The extent to which proximate procedures are related to one another is known as

The function setcookie( ) is used to

Which of the following will return TRUE?

$_SERVER, $_COOKIE, $_FILES, $_ENV are examples of PHP built-in variables called:

Which PHP function will return an array of values from $start to $end.

How to determine whether the variable’s value is either TRUE or FALSE?