You need to escape special characters to use user input inside a regular expression. Which functions would you use? (Choose 2)

How can the constant defined below be accessed from within PHP?

class myClass {

const FOO = ' BAR ' ;

}

What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?

An HTML form contains this form element:

< input type= " image " name= " myImage " src= " image.png " / >

The user clicks on the image to submit the form. How can you now access the relative coordinates of the mouse click?

Which PHP function is used to validate whether the contents of $_FILES[ ' name ' ] [ ' tem_name ' ] have really been uploaded via HTTP ' ?

What is the output of the following code: echo " 1 " + 2 * " 0x02 " ;

How many array elements will be found in the return value of:

split( " . " , "

Which elements does the array returned by the function pathinfo() contain?

The following form is loaded in a browser and submitted, with the checkbox activated:

< form method= " post " >

< input type= " checkbox " name= " accept " >

< form >

In the server-side PHP code to deal with the form data, what is the value of $_POST[ ' accept ' ]?

What is the output of the following code?

printf( ' %4$d %2$s sit on 2 trees and eat %3$3.2f %1$s ' , " bananas " ,

" monkeys " , 9, 99);