max_execution_time directive is used to set the maximum execution time of a PHP script, preventing long-running scripts from consuming excessive server resources.
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 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
Which of the following is used to concatenate strings in PHP?
A). .
B). +
C). ,
D). -
What does PHP stand for?
A). Personal Home Page
B). Preprocessed Hypertext Processor
C). Public Hyperlink Protocol
D). Programming Hypertext Processor
What is the purpose of the PHP mysqli_query() function?
A). To execute a SQL query on a MySQL database
B). To validate user input
C). To include an external file
D). To declare a variable
What does the phpinfo() function do in PHP?
A). Displays information about the PHP environment
B). Executes SQL queries
C). Validates user input
D). Encrypts data transmission
Which of the following is a correct way to define a constant in PHP?
A). define('MY_CONST', 'value');
B). $MY_CONST = 'value';
C). const MY_CONST = 'value';
D). MY_CONST = 'value';
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!'; ?>;
What file extension is commonly used for PHP scripts?
A). .php
B). .html
C). .js
D). .css