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PHP find output programs (basics) | set 3

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robaa
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2022-11-15
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Find the output of PHP programs | Basics | Set 3: Enhance the knowledge of PHP basic concepts by solving and finding the output of some PHP basic programs.

Question 1:

<?php
    $P = 5000;
    $R = 5;
    $T = 2;
?>

<?php
    $SI = ($P * $R * $T) / 100;
    print ("Simple Interest: " . $SI);
?>

Question 2:

<?php
    $P = 5000;
    $R = 5;
    $T = 2;
    
    $SI = ($P * $R * $T) / 100;
    
    print ("Simple Interest: " . '<b>' . $SI . '</b>');
?>

Question 3:

<?php
    $P = 5000;
    $R = 5;
    $T = 2;
    
    $SI = ($P * $R * $T) / 100;
    print ("Simple<br>Interest: " . $SI);
?>

Question 4:

<?php
    $A = 8;
    $B = 5;
    $C = 2;
    
    $D = $B * $B - 4 * A * C;
    
    echo $D;
?>

Question 5:

<?php
    $A = 8;
    $B = 5;
    $C = 2;
    
    $D = $B * $B - 4 * $A * $C;
    
    echo $D;
?>
Php programming,
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All Answers

robaa
2022-11-15
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Answer 1:-

Output:

Simple Interest: 500

Explanation:

In the above program, we calculated the simple interest. Here, we defined three variable $P, $R, and $T initialized with 5000, 5, and 2 respectively.

Here, we used two PHP blocks (<?php ?>). We can write any number of blocks in the PHP script.

Now coming to the expression:

$SI = ($P * $R * $T)/100;
$SI = (5000*5*2)/100;
$SI = (50000)/100;
$SI = 500;

Then we used print() function to print the value of $SI with a specified string.

Answer 2:-

Output:

Simple Interest: 500

Explanation:

In the above program, we calculated the simple interest. Here, we defined three variable $P, $R, and $T initialized with 5000, 5, and 2 respectively.

Now coming to the expression:

$SI = ($P * $R * $T)/100;
$SI = (5000*5*2)/100;
$SI = (50000)/100;
$SI = 500;

Here we used '<b> … </b>' tag, which is used to print specified data in bold style. Then 500 will be printed in bold style, and "Simple Interest:" will be printed in a simple style.

Answer 3:

Output:

Simple
Interest: 500

Explanation:

In the above program, we calculated the simple interest. Here, we defined three variable $P, $R, and $T initialized with 5000, 5, and 2 respectively.

Now coming to the expression:

$SI = ($P * $R * $T)/100;
$SI = (5000*5*2)/100;
$SI = (50000)/100;
$SI = 500;

 

Here '<br>' tag is used to break the line, that's why "Simple" will  print in first line and then "Interest: 500" will be printed in second line

Answer 4:

Output:

25

Explanation:

In the above program, we defined variable $A, $B, and $C and initialized with 8, 5, and 2 respectively.

Now coming to the expression.

$D = $B*$B - 4*A*C;

In the above expression, we used A and C instead of $A and $C. Then the value of "4*A*C" becomes 0.

Now evaluate expression:

$D = $B*$B - 4*A*C;  
$D = 5*5-0;
$D = 25;

 

So, 25 will be printed on the webpage.

Answer 5:

Output:

-39

Explanation:

In the above program, we defined variable $A, $B, and $C and initialized with 8, 5, and 2 respectively.

Now coming to the expression and evaluate:

$D = $B*$B - 4*A*C;  
$D = $B*$B - 4*A*C;  
$D = 5*5 - 4*8*2;
$D = 25 - 64;
$D = -39;

 

So, -39 will be printed on the webpage.

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