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
Which of the following is used to comment out a single line of PHP code?
A). //
B). /* */
C). <!-- -->
D). <?php ?>
Which of the following is a correct way to start a PHP script?
A). <?php
B). <script>
C). <?php?>
D). <?>
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 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 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 used to concatenate strings in PHP?
A). .
B). +
C). ,
D). -
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 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