R4RIN – MCQs, Mock Tests | PHP PHP Mcq

Type Hinting was introduced in which version of PHP?

1. PHP 4
2. PHP 5
3. PHP 5.3
4. 6

✅ Correct Answer: 2

What will be the output of the following PHP code? <?php function calc($price, $tax="") { $total = $price + ($price * $tax); echo "$total"; } calc(42); ?>

1. Error
2. 0
3. 42
4. 84

✅ Correct Answer: 3

Which of the following are valid function names? i) function() ii) €() iii) .function() iv) $function()

1. Only i)
2. Only ii)
3. i) and ii)
4. iii) and iv)

✅ Correct Answer: 2

What will be the output of the following PHP code? <?php function a() { function b() { echo 'I am b'; } echo 'I am a'; } a(); a(); ?>

1. I am a
2. I am bI am a
3. Error
4. I am a Error

✅ Correct Answer: 1

What will be the output of the following PHP code? <?php function a() { function b() { echo 'I am b'; } echo 'I am a'; } b(); a(); ?>

1. I am b
2. I am bI am a
3. Error
4. I am a Error

✅ Correct Answer: 3

What will be the output of the following PHP code? <?php $op2 = "blabla"; function foo($op1) { echo $op1; echo $op2; } foo("hello"); ?>

1. helloblabla
2. Error
3. hello
4. helloblablablabla

✅ Correct Answer: 3

A function in PHP which starts with __ (double underscore) is known as __________

1. Magic Function
2. Inbuilt Function
3. Default Function
4. User Defined Function

✅ Correct Answer: 4

What will be the output of the following PHP code? <?php function foo($msg) { echo "$msg"; } $var1 = "foo"; $var1("will this wo

1. Error
2. $msg
3. 0
4. Will this work

✅ Correct Answer: 4

Which of the following PHP functions accepts any number of parameters?

1. func_get_argv()
2. func_get_args()
3. get_argv()
4. get_argc()

✅ Correct Answer: 2

Which of the following PHP functions can be used for generating unique ids?

1. uniqueid()
2. id()
3. md5()
4. mdid()

✅ Correct Answer: 1

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

1. zip_compress()
2. zip()
3. compress()
4. gzcompress()

✅ Correct Answer: 4

What will be the output of the following PHP code? <?php echo chr(52); ?>

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 4

What will be the output of the following PHP code? <?php echo ord ("hi"); ?>

1. 106
2. 103
3. 104
4. 209

✅ Correct Answer: 3

What will be the output of the following PHP code? <?php $str = "Hello World"; echo wordwrap($str,5,"<br> "); ?>

1. Hello World
2. Hello World
3. Hell o wo rld
4. world

✅ Correct Answer: 2

What will be the output of the following PHP code? <?php echo ucwords("i love my country"); ?>

1. I love my country
2. i love my Country
3. I love my Country
4. I Love My Country

✅ Correct Answer: 4

What will be the output of the following PHP code? <?php echo lcfirst("welcome to India"); ?>

1. welcome to India
2. welcome to india
3. Welcome to India
4. Welcome to india

✅ Correct Answer: 1

PHP MCQ Quiz Hub

PHP Mcq – Functions