<?php for ($i = 0; $i < 3; $i++) { echo $i . ', '; } ?>
for loop iterates three times, printing the value of $i each time, followed by a comma and space.
Which PHP function is used to check if a file exists in PHP?
A). file_exists()
B). is_file()
C). exists()
D). check_file()
Which of the following PHP directives is used to set the maximum execution time of a script?
A). max_execution_time
B). memory_limit
C). error_reporting
D). display_errors
What does the following code output? <?php echo 5 + 3 * 2; ?>
A). 16
B). 11
C). 10
D). 6
Which of the following tags is used to indicate the beginning of PHP code?
A). <?php
B). <!DOCTYPE html>
C). <? ... ?>
D). </php>
How do you output text in PHP?
A). echo 'Hello, World!';
B). console.log('Hello, World!');
C). print('Hello, World!');
D). write('Hello, World!');
Which of the following statements is true about PHP variables?
A). Variable names are case-sensitive in PHP
B). PHP variables must start with a dollar sign ($)
C). Variable names cannot contain numbers
D). Variables in PHP cannot be reassigned
What is the output of the following code? <?php $name = 'Alice'; echo 'Hello, $name!'; ?>
A). Hello, $name!
B). Hello, Alice!
C). Nothing (empty output)
D). Syntax error
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
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
Which of the following statements correctly assigns the value 'John' to the variable $name in PHP?
A). $name = 'John';
B). 'John' = $name;
C). $name -> 'John';
D). $name <- 'John';