How to run PHP programs ?

Output of PHP programs | Set 4

Last Updated : 22 Feb, 2018

Predict the output of below PHP programs: Question 1

PHP

<?php

"Welcome to GeeksforGeeks!"

?>

Options:

Error
Welcome to GeeksforGeeks!
Nothing
Missing semicolon error

Output:

Nothing

Explanation: If you need to output something onto the screen you’ll need to use echo or print_r. Question 2

PHP

<?php

print_r "I am intern at GeeksforGeeks."

?>

Options:

Error
I am intern at GeeksforGeeks.
Nothing
Missing semicolon error

Output:

Error

Explanation: The statement should be print_r(‘I am intern at GeeksforGeeks.’) to print Hello world. Also if there is only one line then there is no requirement of a semicolon, but it is better to use it. Question 3

PHP

<?php

echo 'GeeksforGeeks';

<html>
GeeksforGeeks
</html>

?>

Options:

GeeksforGeeks
GeeksforGeeks GeeksforGeeks
GeeksforGeeks GeeksforGeeks
Syntax Error

Output:

Syntax Error

Explanation: Parse error: syntax error, unexpected ‘<‘ on line 2. You can not use the html tag inside php tags. Question 4

PHP

<?php

Echo "GeeksforGeeks1";
echo " GeeksforGeeks2";
ECHO " GeeksforGeeks3";

?>

Options:

GeeksforGeeks1 GeeksforGeeks2 GeeksforGeeks3
GeeksforGeeks1 GeeksforGeeks2 GeeksforGeeks3
Error
GeeksforGeeks1 GeeksforGeeks3

Output:

GeeksforGeeks1 GeeksforGeeks2 GeeksforGeeks3

Explanation: In PHP, all user-defined functions, classes, and keywords (e.g. if, else, while, echo, etc.) are case-insensitive. Question 5

PHP

<?php

$color = "green";
echo "$color";
echo "$COLOR";
echo "$Color";

?>

Options:

greengreengreen
greengreen
green
Error

Output:

green

Explanation: In PHP, all variables are case-sensitive. Question 6

PHP

<?php # echo "GeeksforGeeks";
 
echo "# GeeksforGeeks"; 

?>

Options:

# GeeksforGeeks
GeeksforGeeks# GeeksforGeeks
GeeksforGeeks
Error

Output:

# GeeksforGeeks

Question 7

PHP

<?php

echo "echo "GeeksforGeeks"";

?>

Options:

GeeksforGeeks
echo “GeeksforGeeks”
echo GeeksforGeeks
Error

Output:

Error

Explanation: It would have printed echo “GeeksforGeeks” if the statement was echo “echo ”GeeksforGeeks””;.

How to run PHP programs ?

S

Sagar Shukla

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