Q1 With the implode() function, the first parameter is the name of the array you

Question

Q1

With the implode() function, the first parameter is the name of the array you want to modify.

True

False

QUESTION 2

What determines where in code a variable can be used?.

none of these

variable type

variable scope

variable duration

QUESTION 3

The array_key_exists() function determines if a given array index or key exists.

True

False

QUESTION 4

A function executes automatically when the page loads.

True

False

QUESTION 5

What does the array look like after this code runs?

$soups = array("tomato", "onion");
array_push($soups, "cheese", "chowder");

array("onion", "cheese")

array("cheese", "chowder", "tomato", "onion")

array("tomato", "onion", "cheese", "chowder")

array("tomato", "chowder")

QUESTION 6

To create an array you can use the _______.

array constructor

array_maker() function

array_make() function

make() function

QUESTION 7

Which array would this code produce?

$soups = array("tomato", "onion", "cheese", "chowder");
$c = array_shift($soups);

array("tomato", "onion", "cheese", "chowder");

array("onion", "cheese", "chowder");

array("tomato", "onion", "cheese");

array("chowder", "tomato", "onion", "cheese");

QUESTION 8

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

True

False

QUESTION 9

What does this code output?

$x = explode("=", "fe=fi=fo=fum");
echo $x[1];

fe

fi

fo

fum

QUESTION 10

"The heredoc structure acts like a double quoted string, but without the quotes. It opens with <<< then an identifier then a newline. The structrure is closes with a final identifier."

True

False

QUESTION 11

Which of the following are used to convert between strings and arrays or arrays and strings? Choose 3. Look them up if necessary.

join()

detatch()

implode()

explode()

QUESTION 12

A multidimensional array in PHP is essentially ____.

just a single array

an array of arrays

you can't have such a thing in PHP

an associative array

QUESTION 13

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

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

None of the other answers are correct

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

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

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

QUESTION 14

A static variable ____.

is the same thing as a global variable

is local to a function but hold their value between function calls

cannot have its value changed once it has been assigned a value

will always have the value NULL

QUESTION 15

What is the value of $y when this code runs?

$x = "Hello visitor";
$z = "visitor";
$y = str_replace($z, "Susan", $x);

hello visitor Susan

Hello Susan

Hello Susan visitor

*

none of these

variable type

variable scope

variable duration

Explanation / Answer

Answer:-

1) False

2) variable scope

3) True

4) False

5) array("tomato", "onion", "cheese", "chowder")

6) array constructor

7) array("onion", "cheese", "chowder");

8) True

9) fi

10) True

11) explode()

12) an array of arrays

13) None of the other answers are correct

14) cannot have its value changed once it has been assigned a value

15) Hello Susan

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.