PHP MCQ Questions with answers and solutions Page 26

Q. Which PHP constant returns the size of an integer in bytes?

(A) INT_SIZE
(B) SIZE_INT
(C) INTSIZE
(D) PHP_INT_SIZE

💬 Discuss

✅ Correct Answer: (D) PHP_INT_SIZE

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:00 am in PHP

Q. Which is/are the function(s) to check if the type of a variable is integer?

(A) is_int()
(B) is_integer()
(C) is_long()
(D) All of the above

💬 Discuss

✅ Correct Answer: (D) All of the above

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:01 am in PHP

Q. What will be the output of the following PHP code?

Code:

<?php
$x = -123.45;
echo var_dump(is_int($x));
?>

(A) bool(false)
(B) bool(true)
(C) false
(D) true

💬 Discuss

✅ Correct Answer: (A) bool(false)

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:01 am in PHP

Q. Which is/are the function(s) to check if the type of a variable is float?

(A) is_float()
(B) is_double()
(C) is_longfloat()
(D) Both A and B

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✅ Correct Answer: (D) Both A and B

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:02 am in PHP

Q. Which is/are the function(s) to check if a numeric value is finite or infinite?

(A) is_finite()
(B) is_infinite()
(C) is_inf()
(D) Both A and B

💬 Discuss

✅ Correct Answer: (D) Both A and B

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:02 am in PHP

Q. PHP NaN stands for ____.

(A) not-a-number
(B) not-a-numerical
(C) nothing-a-number
(D) numeric-a-number

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✅ Correct Answer: (A) not-a-number

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:03 am in PHP

Q. What will be the output of the following PHP code?

Code:

<?php
echo var_dump(is_nan(10));
?>

(A) bool(false)
(B) bool(true)
(C) false
(D) true

💬 Discuss

✅ Correct Answer: (A) bool(false)

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:04 am in PHP

Q. Which is the correct syntax to cast float to integer?

(A) (int) float_variable
(B) int (float_variable)
(C) (int) (float_variable)
(D) All of the above

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✅ Correct Answer: (A) (int) float_variable

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:04 am in PHP

Q. Which PHP function is used to get the value of PI?

(A) php_pi()
(B) pivalue()
(C) pi()
(D) None of the above

💬 Discuss

✅ Correct Answer: (C) pi()

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:05 am in PHP

Q. Which PHP functions are used to find the lowest and highest values from a list of arguments?

(A) minimum() and maximum()
(B) min() and max()
(C) find_min() and find_max()
(D) getmin() and getmax()

💬 Discuss

✅ Correct Answer: (B) min() and max()

Published by Ram Sharma ⭐ 193.88K Points at 19-Jun-2022 11:05 am in PHP

PHP MCQs with answers Page - 26

Q. Which PHP constant returns the size of an integer in bytes?

Q. Which is/are the function(s) to check if the type of a variable is integer?

Q. What will be the output of the following PHP code?

Q. Which is/are the function(s) to check if the type of a variable is float?

Q. Which is/are the function(s) to check if a numeric value is finite or infinite?

Q. PHP NaN stands for ____.

Q. What will be the output of the following PHP code?

Q. Which is the correct syntax to cast float to integer?

Q. Which PHP function is used to get the value of PI?

Q. Which PHP functions are used to find the lowest and highest values from a list of arguments?

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