PHP Basic Programs for Beginners

PHP Basic Programs for Beginners - Important Points

6.		Which of the following is the correct way to include a PHP file in another PHP file?

A. include("myfile.php");

B. require("myfile.php");

C. include_once("myfile.php");

D. All of the above

View Answer Discuss Work Space

Answer: option d

Explanation:

There are different ways to include a PHP file in another PHP file, including include(), require(), and include_once(). All of these options are correct.

7.		What is the output of the following code snippet? <?php $i = 1; while ($i <= 5) { echo $i; $i++; } ?>

What is the output of the following code snippet?

<?php
$i = 1;
while ($i <= 5) {
echo $i;
$i++;
}
?>

A. 1 2 3 4 5

B. 1 2 3 4

C. 1 2 3

D. None of the above

View Answer Discuss Work Space

Answer: option a

Explanation:

The code snippet uses a while loop to display the values of $i from 1 to 5.

8.		Which of the following is the correct way to define a constant in PHP?

A. define("MY_CONST", "Hello");

B. const MY_CONST = "Hello";

C. MY_CONST = "Hello";

D. None of the above

View Answer Discuss Work Space

Answer: option a

Explanation:

The correct way to define a constant in PHP is by using the define() function followed by the constant name and its value.

9.		What is the output of the following PHP code snippet? <?php $num = 7; if ($num % 2 == 0) { echo "Even"; } else { echo "Odd"; } ?>

What is the output of the following PHP code snippet?

<?php
$num = 7;
if ($num % 2 == 0) {
echo "Even";
} else {
echo "Odd";
}
?>

A. Even

B. Odd

C. 7

D. None of the above

View Answer Discuss Work Space

Answer: option b

Explanation:

The code snippet checks whether the variable $num is even or odd and then displays the result, which is "Odd" since 7 is an odd number.

10.		What is the output of the following PHP code snippet? <?php $x = 5; echo ++$x; ?>

10.

What is the output of the following PHP code snippet?

<?php
$x = 5;
echo ++$x;
?>

A. 5

B. 6

C. 5

D. None of the above

View Answer Discuss Work Space

Answer: option b

Explanation:

The code snippet increments the value of $x by 1 using the pre-increment operator (++), and then displays the new value, which is 6.

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