Software Lab Based on PHP

1.         Create a PHP page using functions for comparing three integers and print the largest number.

2.         Write a function to calculate the factorial of a number (non-negative integer). The function accept the number as an argument.

3.         WAP to check whether the given number is prime or not.

4.         Create a PHP page which accepts string from user. After submission that page displays the reverse of provided string.

5.         Write a PHP function that checks if a string is all lower case.

6.         Write a PHP script that checks whether a passed string is palindrome or not? ( A palindrome is word, phrase, or sequence that reads the same backward as forward, e.g., madam or nurses run)

7.         WAP to sort an array.

8.         Write a PHP script that removes the whitespaces from a string.

Sample string : 'The quick " " brown fox'

Expected Output : Thequick""brownfox

9.         Write a PHP script that finds out the sum of first n odd numbers.

10.     Create a login page having user name and password. On clicking submit, a welcome message should be displayed if the user is already registered (i.e.name is present in the database) otherwise error message should be displayed.

11.     Write a PHP script that checks if a string contains another string.

12.     Create a simple 'birthday countdown' script, the script will count the number of days between current day and birth day.

13.     Create a script to construct the following pattern, using nested for loop. *  

*  *  

*  * *  

*  * * *  

*  * * * *

14.     Write a simple PHP program to check that emails are valid.

15.     WAP to print first n even numbers.

16.     $color = array('white', 'green', 'red'') 

Write a PHP script which will display the colors in the following way :

Output : white, green, red,

•    green

•    red

•    white

17.     Using switch case and dropdown list display a “Hello” message depending on the language selected in drop down list.

18.     Write a PHP program to print Fibonacci series using recursion.

19.     Write a PHP script to replace the first 'the' of the following string with 'That'.

Sample : 'the quick brown fox jumps over the lazy dog.'

Expected Result : That quick brown fox jumps over the lazy dog.