Which of the following is not a built-in function in php

PHP String MCQs

PHP String MCQs : This section focuses on "String" in PHP. These Multiple Choice Questions [mcq] should be practiced to improve the PHP skills required for various interviews [campus interview, walk-in interview, company interview], placements, entrance exams and other competitive examinations.

1. In how many ways we can create strings in PHP?

A. 1
B. 2
C. 3
D. 4

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2. Which type of string can processes special characters inside quotes?

A. single quote string
B. double quote string
C. Both A and B
D. None of the above

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3. Which of the following is not a Built-in String functions in php?

A. strlen[]
B. str_replace[]
C. strpos[]
D. strreverse[]

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4. Why trim[] function is used in php?

A. to remove whitespaces
B. to remove lowercase alphabet
C. to remove uppercase alphabet
D. to remove underscore

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5. Which of the following is the output of the below code?

A. 4
B. 5
C. 6
D. 7

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6. Which of the following is the output of the below code?

A. int[13]
B. char[14]
C. int[14]
D. int[15]

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7. Which is true about var_dump[] function?

A. var_dump[] loops infinitely
B. var_dump[] cuts off loop afetr getting same element two times
C. var_dump[] cuts off loop after getting the same element three times
D. var_dump[] cuts off loop after getting the same element five times

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8. The ________ function compares the two strings s1 and s2, ignoring the case of the characters.

A. strtolower[]
B. toLowerCase[]
C. strcasecmp[]
D. lc[]

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9. Returns a string arguments with trilling blank space removed, is a behavior of

A. starts[ ] function
B. chop[ ] function
C. rtrim[ ] function
D. lc[]

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10. What is the output of the following php code?

A. Error
B. No Output
C. Name must be all lowercase!
D. Name is all lowercase!

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11. Predict the output of the following code snippet :

A. 1
B. 2
C. 3
D. Array

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12. Predict the output of the following code snippet :

A. 2
B. [65]=>2
C. Array
D. None of the above

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13. A variable $str is set to "HELLO WORLD", which of the following script returns it title case?

A. echo ucwords[$str]
B. echo ucwords[strtolower[$str]
C. echo ucfirst[$str]
D. echo ucfirst[strtolower[$str]

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14. The PHP function searches for a specific text within a string.

A. strpos[]
B. strposition[]
C. strrev[]
D. str_replace[]

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15. Which function is used to Calculate a 32-bit CRC for a string?

A. crc32[]
B. crypt[]
C. heb32[]
D. heb32c[]

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16. What is the use of htmlentities[] function in php?

A. Converts characters to HTML entities
B. Converts HTML entities to characters
C. Converts some predefined HTML entities to characters
D. Converts some predefined characters to HTML entities

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17. How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

A. 7
B. 8
C. 9
D. 10

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

A. O Malley Wins The Heavyweight Championship!
B. O malley Wins The Heavyweight Championship!
C. O Malley wins the heavyweight championship!
D. o malley wins the heavyweight championship!

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

A.
B. lfc123456
C. lfc123456@
D. example.com

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20. How many functions does PHP offer for searching strings using POSIX style regular expression?

A. 7
B. 8
C. 9
D. 10

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Also check :

  • PHP Object MCQ

Discussion

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Which are not built

3. Which function is not a built-in function in PHP ? addNumber[] is not a built-in function in PHP.

Which of the following is a built

Internal Built-in Functions in PHP Converting a string of letters to uppercase and lowercase. Displaying and using the date and time. Initializing and closing a database connection. Declaring and using an array.

How many types of functions are available in PHP *?

PHP provides us with two major types of functions: Built-in functions : PHP provides us with huge collection of built-in library functions. These functions are already coded and stored in form of functions.

What are the functions in PHP?

PHP functions are similar to other programming languages. A function is a piece of code which takes one more input in the form of parameter and does some processing and returns a value. You already have seen many functions like fopen[] and fread[] etc.

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