<?php for ($i = 0; $i < 3; $i++) { echo $i . ', '; } ?>
for loop iterates three times, printing the value of $i each time, followed by a comma and space.
What is the output of the following code? <?php $a = 10; $b = 5; echo ($a > $b) ? 'Yes' : 'No'; ?>
A). Yes
B). No
C). 1
D). 0
Which of the following statements is true about PHP variables?
A). Variable names are case-sensitive in PHP
B). PHP variables must start with a dollar sign ($)
C). Variable names cannot contain numbers
D). Variables in PHP cannot be reassigned
Which function is used to include the contents of another PHP file?
A). include()
B). require()
C). import()
D). load()
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 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
How do you output text in PHP?
A). echo 'Hello, World!';
B). console.log('Hello, World!');
C). print('Hello, World!');
D). write('Hello, World!');
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
What does the following code output? <?php echo 5 + 3 * 2; ?>
A). 16
B). 11
C). 10
D). 6
Which of the following tags is used to indicate the beginning of PHP code?
A). <?php
B). <!DOCTYPE html>
C). <? ... ?>
D). </php>
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