Hello Friends in this article i am gone to share Building Web Applications in PHP Week 7 Practice Quiz Answer with you..

Building Web Applications in PHP Week 7 Practice Quiz Answer

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Functions

Question 1)
Why should you use functions?

• Organize your code
• Break complex code into logical chunks
• Avoid repetitive code
• To make it harder for others to use your code

Question 2)
Which keyword defines a new function?

• new functions
• new
• define
• function

Question 3)
Return values are type-specific in php functions (a function only returns a value of a specified data type.)

• True
• False

Question 4)
What output does the following code produce?

function double($val){ 
$val = $val * 2; 
return $val; } 

$val = 15; $dval = double($val); 
echo "Value = $val Doubled = $dval";

• Value = 15 Doubled = 15
• Value = Doubled =
• Value = 15 Doubled = 30
• Value = 30 Doubled = 30

Question 5)
Which keyword is used to use code from one php file into a different PHP file?

• add
• append
• point
• include

Question 6)
Which function prints out the internal configuration capabilities of your particular PHP installation?

• phpinfo()
• version()
• info()
• phpver()

Question 7)
Adding an ampersand ( & ) to a function parameter indicates that you are using call by [_____] for that parameter.

• reference

Question 8)
The keyword [_____] will expand the scope of a variable outside of its function.

• global

Question 9)
The [_____] function is used to check if a function already exists or not.

• function_exists

Question 10)
It is common to use uppercase and/or long names for global variables to avoid confusion or mistaken reuse.

• True
• False