Here's a bunch of fun PHP exercises!
The navbar: Shows the code for the navbar used on all the following pages.
Ex 1: Hello World and some simple math and concatenation.
Ex 2: Checks whether words are equal to Seattle, with or without caps.
Ex 3: Hello World again and some more math.
Ex 4: A bunch more simple math.
Ex 5: Time (of the server) and copyright.
Ex 6: A few different time formats.
Ex 7: A time format for a specified date.
Ex 8: Three different ways to specify dates and times.
Ex 9: Getting variable types and changing variable types.
Ex 10: Converts 86, 32, and 212 from fahrenheit to celcius and then back.
Ex 11: Using a function to order a drink, and a default input for the function.
Ex 12: A few different functions to find the bigger number and to test if numbers are even or odd.
Ex 13: Posts office hours and then checks to see if the office is open.
Ex 14: Using arrays to print colors and checking for sizes of the arrays.
Ex 15: Finding largest and smallest numbers in an array in a few different ways.
Ex 16: Arrays in arrays!
Ex 17: Even more arrays!
Ex 18: A square value table using a while loop with an if statement for background colors.
Ex 19: Adding a number to all the numbers before it.
Ex 20: Printing an array of students, then all the odd numbers up to 100, then all the prime numbers up to 10,000.
Ex 21: Finding highest and lowest numbers in an array and the index of a given number.
Ex 22: Using an array to print students and their ID numbers.
Ex 23: Goes from 1 to 50 replacing multiples of 3 with Fizz and 5 with Buzz (both with both). Then shows the Levenshtein distance between a few different words. Then lists all the built-in functions of PHP.
Ex 24: Makes a pattern with two for loops.
Ex 25: A different pattern.
Ex 26: Another different pattern.
Ex 27: A multiplication table with two for loops.
Ex 28: Factorials with two for loops.
Ex 29: Taking in contents of a form with the GET method.
Ex 30: Taking in name and password with the POST method and checking for correct username and password.
Ex 31: Taking in name and email with POST, making sure the fields and not blank, and checking the email for correct format.
Ex 32: Taking in name, phone, and password, and making sure they fit appropriate requirements for those data types.
Ex 33: Taking in name, email, and message. Sends an email with the results and an email to the entered email saying thanks.
Ex 34: Same as 33, but makes sure no fields are blank and email is in the correct format.
Ex 35: Takes content from a txt file and writes it to the page -- in the case, the whole page.
Ex 36: Implements a counter that takes the number from a txt file, adds one, and overwrites it with each visitor.
Ex 37: Writes the IP address of each site visitor to a txt file.
Ex 38: Takes email address from user and writes it to a txt file.
Ex 39: Reads emails from txt file (not from 38) and sends an email to each address.
Ex 40: Gets a random number and displays a picture by using the number in an img tag.
Ex 41: Uses a circle class that accepts a radius and has methods to calculate area and circumference.
Ex 42: Same as 41, but uses a form to get a radius from the user.
Ex 43: Same as 42, but has a private variable in the circle class and uses getter and setter methods.
Ex 44: Rolls a few dice (comes up with random numbers between certain numbers to simulate rolling different size dice).
Ex 45: Generates random names picked from two arrays by shuffling the arrays.
Ex 46: Same as 45, but uses a loop to display more names.
Ex 47: Same as 46, but pulls the names from a txt file.
Ex 48: Writes some info to a database, shows it, and then deletes it.
Ex 49: Writes a bunch more stuff to a database and then shows it before deleting it again.
Ex 50: Sets a cookie up that recognizes you (as John Doe). The first time the page loads, it will not recognize you, but it will the second time.
Ex 51: Has a log-in that sets a cookie and reads the cookie back (doesn't actually work right now).
Ex 52: Checks if a given word is a palindrome, and then prompts user for another word.
Ex 53: Smallest most worthless form of all time.
Ex 54: Uses a form to get a number and converts it to Celcius or Fahrenheit.
Ex 55: Same as 54 but uses one page instead of a handler.
Ex 56: Same as 55, but uses .THIS_PAGE. in the form action to point to itself.