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.
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 file extension is commonly used for PHP scripts?
A). .php
B). .html
C). .js
D). .css
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
What is the purpose of the PHP include statement?
A). To include and evaluate an external PHP file
B). To create a loop in PHP
C). To define a function in PHP
D). To execute a SQL query
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 output of the following PHP code? <?php $x = 5; $y = 10; echo $x + $y; ?>
A). 15
B). 5 + 10
C). $x + $y
D). 510
Which of the following is a correct way to start a PHP script?
A). <?php
B). <script>
C). <?php?>
D). <?>
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 used to concatenate strings in PHP?
A). .
B). +
C). ,
D). -
Which of the following is used to comment out a single line of PHP code?
A). //
B). /* */
C). <!-- -->
D). <?php ?>