mysqli_query() function?
mysqli_query() function is used to execute a SQL query on a MySQL database in PHP.
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 is a correct way to start a PHP script?
A). <?php
B). <script>
C). <?php?>
D). <?>
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 best describes PHP?
A). Server-side scripting language
B). Client-side programming language
C). Markup language
D). Database management system
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 PHP directive is used to set the maximum execution time of a script?
A). max_execution_time
B). memory_limit
C). error_reporting
D). display_errors
What file extension is commonly used for PHP scripts?
A). .php
B). .html
C). .js
D). .css
Which of the following is NOT a valid PHP variable name?
A). $my_var
B). $myVar
C). $my-var
D). $myVar123
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 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