Q
What is the purpose of the PHP require_once statement?

Answer & Solution

Answer: Option A
Solution:
The require_once statement in PHP is similar to require, but it ensures that the specified file is included only once, regardless of how many times the statement is executed. This is useful for preventing multiple inclusions of the same file, which can lead to errors.
Related Questions on Average

Which of the following is a valid PHP constant?

A). MY_CONST

B). $myConst

C). MY_CONST

D). myConst

Which of the following is NOT a valid PHP comparison operator?

A). <=

B). ==

C). <>

D). !

Which of the following is true about PHP data types?

A). PHP is a strongly typed language

B). Variables must be explicitly declared with data types

C). PHP supports dynamic typing

D). PHP only supports numeric data types

What does the strlen() function do in PHP?

A). Returns the length of a string

B). Converts a string to lowercase

C). Checks if a string contains a substring

D). Returns the first occurrence of a substring in a string

Which of the following statements is true about PHP arrays?

A). PHP arrays can hold values of different data types

B). PHP arrays must have continuous index values

C). PHP arrays are immutable

D). PHP arrays can only store integers

Which of the following PHP tags is used to start and end a block of PHP code?

A). <?php ?>

B). <? ?>

C). <script>

D). <php >

What is the purpose of the PHP exit() function?

A). To terminate the script execution

B). To print output to the browser

C). To create a loop in PHP

D). To define a function in PHP

Which of the following is NOT a valid PHP variable name?

A). $my_var

B). $MyVar

C). $my-var

D). $myVar123

What is the purpose of the PHP print_r() function?

A). To print human-readable information about a variable

B). To redirect output to a file

C). To execute SQL queries

D). To define a function in PHP

Which of the following statements is true about PHP comments?

A). Comments are ignored by the PHP interpreter

B). Comments can only be single-line

C). Comments must start with /* and end with */

D). Comments are displayed on the webpage

COMPANY
Products
 
OTHERS
Partner

Copyright © RVR Innovations LLP 2026 | All rights reserved - Mytat.co is the venture of RVR Innovations LLP