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 output of the following PHP code? <?php $x = 5; $y = 10; echo $x + $y; ?>
A). 15
B). 5 + 10
C). $x + $y
D). 510
What file extension is commonly used for PHP scripts?
A). .php
B). .html
C). .js
D). .css
Which of the following is used to concatenate strings in PHP?
A). .
B). +
C). ,
D). -
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 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 used to comment out a single line of PHP code?
A). //
B). /* */
C). <!-- -->
D). <?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
What does PHP stand for?
A). Personal Home Page
B). Preprocessed Hypertext Processor
C). Public Hyperlink Protocol
D). Programming Hypertext Processor
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 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