PHP PHP Syntax & Core Language Features

Question 1

Which symbol is used to prefix all variable names in PHP?

Accepted Answer

$

Answer

@

Answer

#

Answer

&

Question 2

Which PHP construct is used to output text directly to the browser?

Accepted Answer

echo

Answer

print_r()

Answer

var_dump()

Answer

return

Question 3

What character is used to end a PHP statement?

Accepted Answer

;

Answer

:

Answer

.

Answer

,

Question 4

Which superglobal array holds data submitted via an HTML form using GET?

Accepted Answer

$_GET

Answer

$_POST

Answer

$_REQUEST

Answer

$_SERVER

Question 5

What does the isset() function check in PHP?

Accepted Answer

If a variable is set and not NULL

Answer

If a variable is an integer

Answer

If a variable equals zero

Answer

If a variable is a string

Question 6

Which operator is used to concatenate two strings in PHP?

Accepted Answer

.

Answer

+

Answer

&&

Answer

::