11. Write a PHP program to create a form that contains two textboxes that accept numbers and a submit button. When submit button is clicked, the sum of two numbers will be displayed.
<!doctype html> <html> <head> <title>Year : 2018 | 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 program to print the following List in an array and display them as follows:
a. Bachelor in Information Management
b. Bachelor in Business Administration
c. Bachelor in Business Studies
<!doctype html> <html> <head> <title>Year : 2018 | Q : 12</title> </head> <body> <?php $arr = array('Bachelor in Information Management','Bachelor in Business Administration','Bachelor in Business Studies'); echo "<ol type = 'a'>"; foreach($arr as $data) echo "<li>".$data."</li>"; echo "</ol>"; ?> </body> </html>
13. Write a PHP program to find the difference between two dates.
<html> <head> <title>Year : 2018 | Q : 13</title> </head> <body> <form method = 'post'> Date 1 : <input type = 'text' name = 'd1' required><br> Date 2 : <input type = 'text' name = 'd2' required><br> <input type = 'submit' value = 'Calculate difference' name = 'diff'> </form> <?php if(isset($_POST['diff'])) { $d1 = strtotime($_POST['d1']); $d2 = strtotime($_POST['d2']); $diff = abs($d1-$d2); echo "The difference between the given dates is of about ".floor($diff/(60*60*24))." days."; } ?> </body> </html>
14. Write a PHP program to read name and address from a database, and display them.
<html> <head> <title>Year : 2018 | Q : 14</title> </head> <body> <?php /* Database name: 'test' Table name: 'temp' Column names: 'name', 'address' */ $C = mysqli_connect('localhost','root','','test') or die("Error connecting with the database"); $code = "SELECT name, address FROM temp"; $R = mysqli_query($C,$code) or die("Error in code"); echo "<table border = '1' cellspacing= '0' cellspacing = '15'>"; echo "<tr> <th>Name</th> <th>Address</th> </tr>"; while($res = mysqli_fetch_array($R)) echo "<tr align = 'center'> <td>".$res[0]."</td> <td>".$res[1]."</td> </tr>"; echo "</table>"; ?> </body> </html>
15. Write a PHP program to copy content of one text file to another.
<html> <head> <title>Year : 2018 | Q : 15</title> </head> <body> <?php //Copying contents of 'txt1.txt' to 'txt2.txt'. //copy function: copy('txt1.txt','txt2.txt'); $f1 = fopen('txt1.txt','r'); $f2 = fopen('txt2.txt','w'); while(!feof($f1)) { if(!fwrite($f2,fgets($f1))) die("Error copying"); } echo "Copied"; fclose($f1); fclose($f2); ?> </body> </html>