Answer & Solution
echo
is a PHP construct used to output text. The correct syntax is echo 'Hello, World!';
.
echo
is a PHP construct used to output text. The correct syntax is echo 'Hello, World!';
.
Which PHP function is used to output content as HTML entities, preventing cross-site scripting (XSS) attacks?
A). htmlspecialchars()
B). htmlentities()
C). escape()
D). sanitize()
What is the purpose of the PHP phpinfo()
function?
A). To display information about the PHP environment
B). To execute PHP code
C). To retrieve data from a database
D). To create a new PHP file
What is the output of the following code? <?php $name = 'Alice'; echo 'Hello, $name!'; ?>
A). Hello, $name!
B). Hello, Alice!
C). Nothing (empty output)
D). Syntax error
Which function is used to include the contents of another PHP file?
A). include()
B). require()
C). import()
D). load()
Which of the following statements is true about PHP's include
and require
functions?
A). include
will only produce a warning if the file cannot be found, while require
will produce an error
B). include
will produce an error if the file cannot be found, while require
will only produce a warning
C). Both include
and require
will produce an error if the file cannot be found
D). Both include
and require
will only produce a warning if the file cannot be found
Which of the following PHP tags is deprecated and should be avoided?
A). script tag
B). <?php
C). <? ... ?>
D). <?php ... ?>
Which PHP function is used to check if a file exists in PHP?
A). file_exists()
B). is_file()
C). exists()
D). check_file()
What does the following code output? <?php echo 5 + 3 * 2; ?>
A). 16
B). 11
C). 10
D). 6
Which of the following statements is true about PHP variables?
A). Variable names are case-sensitive in PHP
B). PHP variables must start with a dollar sign ($)
C). Variable names cannot contain numbers
D). Variables in PHP cannot be reassigned
What is the purpose of the semicolon (;) in PHP?
A). To indicate the end of a statement
B). To concatenate strings
C). To multiply two numbers
D). To declare a variable