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Output of PHP programs | Set 4

Last Updated : 22 Feb, 2018
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Predict the output of below PHP programs: Question 1 PHP 
<?php

"Welcome to GeeksforGeeks!"

?>
Options:
  1. Error
  2. Welcome to GeeksforGeeks!
  3. Nothing
  4. 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:
  1. Error
  2. I am intern at GeeksforGeeks.
  3. Nothing
  4. 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:
  1. GeeksforGeeks
  2. GeeksforGeeks GeeksforGeeks
  3. GeeksforGeeks GeeksforGeeks
  4. 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:
  1. GeeksforGeeks1 GeeksforGeeks2 GeeksforGeeks3
  2. GeeksforGeeks1 GeeksforGeeks2 GeeksforGeeks3
  3. Error
  4. 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:
  1. greengreengreen
  2. greengreen
  3. green
  4. Error
Output: 
green
Explanation: In PHP, all variables are case-sensitive. Question 6 PHP 
<?php # echo "GeeksforGeeks";
 
echo "# GeeksforGeeks"; 

?>
Options:
  1. # GeeksforGeeks
  2. GeeksforGeeks# GeeksforGeeks
  3. GeeksforGeeks
  4. Error
Output: 
# GeeksforGeeks
Question 7 PHP 
<?php

echo "echo "GeeksforGeeks"";

?>
Options:
  1. GeeksforGeeks
  2. echo “GeeksforGeeks”
  3. echo GeeksforGeeks
  4. Error
Output: 
Error
Explanation: It would have printed echo “GeeksforGeeks” if the statement was echo “echo ”GeeksforGeeks””;.

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Output of PHP programs | Set 4

S
Sagar Shukla
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