TU Solution- BIM- 2019 (Makeup)
11. Write a PHP program to create a form that contains two textboxes which accepts numbers and a submit button. When submit button is clicked, sum of two numbers will be displayed.
<!doctype html>
<html>
<head>
<title>Year : 2019 (Makeup) | Q : 11</title>
</head>
<body>
<?php
if(isset($_POST['add']))
{
$n1 = $_POST['n1'];
$n2 = $_POST['n2'];
if(is_numeric($n1)&&is_numeric($n2))
die("Sum is: ".($n1+$n2));
else
echo "Please enter numbers";
}
?>
<form method = 'post'>
Number: <input type = 'text' name = 'n1'><br>
Number: <input type = 'text' name = 'n2'><br>
<input type = 'submit' value = 'Add' name = 'add'>
</form>
</body>
</html>
12. Write a PHP function, which accepts an array as an argument, and prints the first five elements of that array.
<!doctype html>
<html>
<head>
<title>Year : 2019 (Makeup) | Q : 12</title>
</head>
<body>
<?php
function prtarr($arr)
{
$i = 0;
echo "<br><br>First 5 elements of the array:<br>";
foreach($arr as $data)
{
if($i==5)
break;
echo " $data ";
$i++;
}
}
$a1 = array(1,2,3,300,44,99,9999,96,2000,444);
$a2 = array('a'=>'abc','b'=>'abc');
prtarr($a1);
prtarr($a2);
?>
</body>
</html>
13. Write a PHP program to print the following table. (Use array to store data)
| Roll No | Name | Gender |
| 1 | Ram Thapa | M |
| 2 | Aruna Thapa | F |
<!doctype html>
<html>
<head>
<title>Year : 2019 (Makeup) | Q : 13</title>
</head>
<body>
<?php
$info = array(array(1,'Ram Thapa','M'),array(2,'Aruna Thapa','F'));
echo "<table border = '1' cellpadding = '15' cellspacing = '0'>";
echo "<tr> <th>Roll No</th> <th>Name</th> <th>Gender</th> </tr>";
foreach($info as $row)
{
echo "<tr align = 'center'>";
echo "<td>".$row[0]."</td>"; //Roll No.
echo "<td>".$row[1]."</td>"; //Name
echo "<td>".$row[2]."</td>"; //Gender
echo "</tr>";
}
echo "</table>";
?>
</body>
</html>
14. Write a program to check if the textbox has a content or not, and if a checkbox is selected or not.
<!doctype html>
<html>
<head>
<title>Year : 2019 (Makeup) | Q : 14</title>
</head>
<body>
<form method = 'post'>
Input : <input type = 'text' name = 'inp'><br>
Select : <input type = 'checkbox' name = 'sel' value = 'sel'><br>
<input type = 'submit' name = 'chk' value = 'Check'>
</form>
<?php
if(isset($_POST['chk']))
{
$I = $_POST['inp'];
$S = '';
if(isset($_POST['sel']))
$S = $_POST['sel'];
if(!($I==''||$S==''))
echo "Textbox is not empty, and the checkbox is selected.";
else{
if($I=='')
echo "Text box is empty.<br>";
if($S=='')
echo "Checkbox is not selected.";
}
}
?>
</body>
</html>
15. Write a program to check if the textbox has a content or not, and if a checkbox is selected or not.
<!doctype html>
<html>
<head>
<title>Year : 2019 (Makeup) | Q : 14</title>
</head>
<body>
<form method = 'post'>
Input : <input type = 'text' name = 'inp'><br>
Select : <input type = 'checkbox' name = 'sel' value = 'sel'><br>
<input type = 'submit' name = 'chk' value = 'Check'>
</form>
<?php
if(isset($_POST['chk']))
{
$I = $_POST['inp'];
$S = '';
if(isset($_POST['sel']))
$S = $_POST['sel'];
if(!($I==''||$S==''))
echo "Textbox is not empty, and the checkbox is selected.";
else{
if($I=='')
echo "Text box is empty.<br>";
if($S=='')
echo "Checkbox is not selected.";
}
}
?>
</body>
</html>
16. Write a PHP program to read one line at a time from file and print them.
<!doctype html>
<html>
<head>
<title>Year : 2019 (Makeup) | Q : 16</title>
</head>
<body>
<?php
echo "<h3>Contents of the file ('Dummy.txt'):</h3>";
$F = fopen('dummy.txt','r');
while(!feof($F))
echo fgets($F).'<br>';
fclose($F);
?>
</body>
</html>