QUESTION 1 You can insert an array variable\'s value into a double quoted string

Question

QUESTION 1

You can insert an array variable's value into a double quoted string by enclosing the variable in _____.

{ }

( )

< >

[ ]

QUESTION 2

What is printed?

$str1 = "pizza";
echo "Eat more {$str1}s";

Eat more {$str1}s

Eat more pizzas

Eat more pizza

QUESTION 3

"Global variables are automatically available to all parts of your program, including functions."

True

False

QUESTION 4

When this code runs, what is the value of $y?

$user = "Don";
$pw = "12345";
$y = sprintf("SELECT * FROM users WHERE user='%s' AND password='%s'", $user, $pw);

SELECT * FROM users WHERE user='%s' AND password='%s'

SELECT * FROM users WHERE user=Don AND password=12345

SELECT * FROM users WHERE user='Don' AND password='12345'

None of the other answer are correct

QUESTION 5

What does this code output?

$x = explode(" ", "fe fi fo fum");
echo $x[2];

fi

fo

fe

fum

nothing

QUESTION 6

All functions must return a value.

True

False

QUESTION 7

_____ is the term for the location that a declared variable can be used.

none of these

variable scope

variable type

variable duration

QUESTION 8

Include statements support only absolute path notation.

True

False

QUESTION 9

The include statement and the require statement perform the same function and can be used interchangeably.

True

False

QUESTION 10

"In PHP, you must declare a global variable with the global keyword inside a function definition for the variable to be available within the scope of that function."

True

False

QUESTION 11

A function executes automatically.

True

False

QUESTION 12

"heredoc structures allow printing large chunks of text without having to escape anything, variable values are still inserted."

True

False

QUESTION 13

Function parameters are global variables.

True

False

QUESTION 14

What gets printed?

$x = "Betelgeuse not Beetlejuice";
echo $x[18];

t

e

l

" "

QUESTION 15

The $_POST[] array is an associative array called a superglobal array.

True

False

{ }

( )

< >

[ ]

Explanation / Answer

False : They are not available

(4) SELECT * FROM users WHERE user='Don' AND password='12345'
(5) fo , Explanation: it will print 2nd string starting from 0 , 1 and then 2.
(6) All functions must return a value. : False

(7) variable scope that defines location like stack, heap etc

(8)Include statements support only absolute path notation. : False

(9) The include statement and the require statement perform the same function and can be used interchangeably.: False

(10)

"In PHP, you must declare a global variable with the global keyword inside a function definition for the variable to be available within the scope of that function."

True

(11) A function executes automatically. : False, It will execute only when its called

(12) "heredoc structures allow printing large chunks of text without having to escape anything, variable values are still inserted." : true

(13) Function parameters are global variables: false, they are local to function
(14) prints t , 18th index is 't'
(15)The $_POST[] array is an associative array called a superglobal array. : True


Thanks, let me know if there is any doubts/concern

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