The ____ function converts all of the letters in a string to capital letters.

The ____ function is used to create a constant.

To sort an associative array by key, use the ____ function.

A(n) ____ operator is used in php to perform mathematical calculations.

A _______ is a complete declarative sentence that summarizes your speech.

A web application starts when a client sends a/an ________________ to a server.

Which one displays the browser properties using PHP?

What's the output?

Function to specify a start position of a string and length arguments to retrieve part of a string?

Which PHP function creates a directory on an FTP server?

Which function returns one or more randomly selected keys from an array?