Which of the following is used to concatenate strings in PHP?
A). .
B). +
C). ,
D). -
What is the purpose of the PHP exit()
function?
A). To terminate script execution
B). To display a message and exit
C). To redirect to another URL
D). To close a database connection
What is the purpose of the PHP echo
statement?
A). To output data to the browser
B). To define a function
C). To include an external file
D). To declare a variable
Which of the following is true about PHP sessions?
A). Sessions allow data to be persistently stored across multiple page requests
B). Sessions are stored on the client side
C). Sessions are limited to storing only strings
D). Sessions are enabled by default in PHP
What is the purpose of the PHP interpreter?
A). To parse and execute PHP code
B). To generate HTML markup
C). To validate user input
D). To store data in databases
Which of the following is used to comment out a single line of PHP code?
A). //
B). /* */
C). <!-- -->
D). <?php ?>
What file extension is commonly used for PHP scripts?
A). .php
B). .html
C). .js
D). .css
What is the output of the following PHP code? <?php echo 'Hello, World!'; ?>
A). Hello, World!
B). <?php echo 'Hello, World!'; ?>
C). <?php echo 'Hello, World!'; ?>;
D). <?php echo 'Hello, World!'; ?>;
Which of the following best describes PHP?
A). Server-side scripting language
B). Client-side programming language
C). Markup language
D). Database management system
Which of the following is NOT a valid PHP variable name?
A). $my_var
B). $myVar
C). $my-var
D). $myVar123