In which order are methods called in the below PHP code? $object->method1()->method2()->method3()

Which will return the client's IP address in PHP?

PHP ... are used to validate and sanitize external input.

Which is used to print today's date in PHP?

Output of this code? php $x = 1; while ($x <= 3){ echo X}

Pick the correct PHP function to rewind the internal array pointer.

Which variable does PHP make automatically available to you?

Choose the correct value for $i. $i = 2; $i++;

What is meant by nl2br()?

Which one is NOT a command for sending output to the standard output?

In the following PHP script, $arr = array(1,2,3);, 1, 2, and 3 are the array