Given an array of images, $images = array("img12.png", "img10.png", "img2.png", "img1.png"), which function will sort $images into ("img1.png", "img2.png", "img10.png", "img12.png")?

What does the glob() function return?

Sleep(3000); will sleep the page for?

An object can be counted with count() and sizeof() if it:

What's the output?

Final structure of the following array? $animals = array( 'dog', 'cat', true => 'lion' );

Which statements is incorrect?

Correct way to convert a variable from a string to an integer?

Which should be avoided with respect to the database username and password in PHP?

Which is incorrect with respect to separating PHP code and HTML?

Correct PHP command for setting a MySQL connection character set to UTF8?