PHP FUNCTIONS QUIZ

Which one of the following functions can be used to compress a string?

zip()

gzcompress()

compress()

zip_compress()

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? function do($myString) { echo strpos($myString, "donkey",0); } do("The donkey looks like a horse.");

None of the mentioned

4

2

5

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YOUR ANSWER : ?

Output will be:$array = array(0, 1, 2);$array = array_pad($array, -6, ‘NEW’);

Array ( [1] => NEW [2] => NEW [3] => NEW [4] => 0 [5] => 1 [6] => 2 )

Array ( [-1] => NEW [-2] => NEW [-3] => NEW [-4] => 0 [-5] => 1 [-6] => 2 )

Array ( [0] => NEW [-1] => NEW [-2] => NEW [-3] => 0 [-4] => 1 [-5] => 2 )

Array ( [0] => NEW [1] => NEW [2] => NEW [3] => 0 [4] => 1 [5] => 2 )

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What will be the output of the following PHP code ? function start($string) { if ($string < 45) return 20; else return 40; } $t = start(90); if ($t < 20) { echo "Have a good day!"; } else { echo "Have a good night!";}

Have a good day!

Have a good night!

ERROR

None of the mentioned

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? function constant() { define("GREETING", "Welcome to Narnia"); echo greeting; }

Welcome to Narnia

GREETING

ERROR

greeting

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YOUR ANSWER : ?

What will be the output of the following PHP code? echo hex2bin("48656c6c6f20576f726c6421");

MCQ questons

welcome to india

Hello World!

This is PHP!

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A function in PHP which starts with ______ (double underscore) is know as.

Default Function

User Defined Function

Inbuilt Function

Magic Function

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YOUR ANSWER : ?

What will be the output of the following PHP code ? function addFunction($num1, $num2) { $sum = $num1 + $num2; return $sum; } $return_value = addFunction(10, 20); echo "Returned value from the function : " .$return_value

Returned value from the function :

Error

Returned value from the function : 30

Returned value from the function : $return_value

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What will happen in this function call? function calc($price, $tax) { $total = $price + $tax; } $pricetag = 15; $taxtag = 3; calc($pricetag, $taxtag);

Type Hinting

Call By Value

Call By Reference

Default Argument Value

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phpinfo() will display about? 1. OS version information 2. PHP installation 3. Variables 4. HTTP headers

All listed here

Option 1

Option 2

Option 4

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following functions can be used to compress a string?

What will be the output of the following PHP code?<br/>function do($myString) {<br/>echo strpos($myString, "donkey",0);<br/>}<br/>do("The donkey looks like a horse.");

Output will be:$array = array(0, 1, 2);$array = array_pad($array, -6, ‘NEW’);

What will be the output of the following PHP code ?<br/>function start($string)<br/>{<br/>if ($string < 45)<br/>return 20;<br/>else<br/>return 40;<br/>}<br/>$t = start(90);<br/>if ($t < 20)<br/>{<br/>echo "Have a good day!";<br/>}<br/>else<br/>{<br/>echo "Have a good night!";}

What will be the output of the following PHP code ?<br/>function constant()<br/>{<br/>define("GREETING", "Welcome to Narnia");<br/>echo greeting;<br/>}

What will be the output of the following PHP code?<br/>echo hex2bin("48656c6c6f20576f726c6421");

A function in PHP which starts with ______ (double underscore) is know as.

What will be the output of the following PHP code ?<br/>function addFunction($num1, $num2)<br/>{<br/>$sum = $num1 + $num2;<br/>return $sum;<br/>}<br/>$return_value = addFunction(10, 20);<br/>echo "Returned value from the function : " .$return_value

What will happen in this function call?<br/>function calc($price, $tax) {<br/>$total = $price + $tax;<br/>}<br/>$pricetag = 15;<br/>$taxtag = 3;<br/>calc($pricetag, $taxtag);

phpinfo() will display about?<br/>1. OS version information<br/>2. PHP installation<br/>3. Variables<br/>4. HTTP headers