recck

<?php
/**
 * Mathematical Operations
 * Addition, +, 5+2 = 7
 * Subtraction, -, 5-2 = 3
 * Multiplication, *, 5*2 = 10
 * Division, /, 5/2 = 2.5
 * Modulus, %, 5%2 = 1
 * 
 * Short Hand Operations

recck

<?php
/**
 * Mathematical Comparison Operators
 * x > y,   is x greater than y?
 * x >= y,  is x greater than OR equal to y?
 * x < y,   is x less than y?
 * x <= y,  is x less than OR equal to y?
 * 
 * Logical Comparison Operators
 * x == y,  does x have the same value as y?

recck

<?php

/**
 * for loops
 * where to start; when to continue; how to step through
 **/
 
for($i = 0; $i < 10; $i++){
    // start at i = 0 and continue until i is >= 10
    echo $i;

recck

<?php
/**
 * Programming in PHP
 * Week 3 - Day 5
 * Playing with Strings
 **/
 
/**
 * length of a string!
 **/

recck

<?php
/**
 * Playing with Arrays
 * List of functions: http://us2.php.net/manual/en/ref.array.php
 **/
 
// Creating an array
$array = array('value1', 2, 'value3', 4.5);

// Remember an array starts at position 0

recck

<?php
/**
 * Creating our own functions
 **/
 
// Our First Function
function firstFunction(){
    return 'Hello buddy, how is it going?';
}

recck

<?php
/**
 * Recursive Functions
 **/
 
/** Solving a Factorial **/

// Non Recursively
function factorial_NoRecursion($x){
    $y = 1;

recck

<?php
/**
 * Using GET
 **/
 
// the variable $_GET is an array
print_r($_GET);

// the URL is get.php?page=index
echo $_GET['page']; // index

recck

<?php
/**
 * Using POST
 **/

// see if any post request has been made
if(count($_POST) > 0){
    print_r($_POST);
}

recck

<?php

if(isset($_POST['submit'])){
    if(!empty($_POST['name'])){
        setcookie('yourName', htmlentities($_POST['name']));
        header("Location: cookies.php");
    }else {
        echo 'Please enter a name!<br />';
    }
}