PHP is a relatively easy language to learn if you are familiar with HTML/CSS. Here, and following, are the presentations to familiarize yourself with PHP/MySQL and HTML Basics.

2.  PHP Operators
› Arithmetic operators
› Assignment operators
› Comparison operators
› Increment/Decrement operators
 PHP Conditional Statements
› if statement
› if...else statement
› if...elseif....else statement
› switch statement
 Logical operators
 String operators
 Array operators

3.  Loop Functions
› For Loop
› While Loop
› Do While
 Functions
 Arrays
 Manipulate Arrays
 Variable Scope

4.  The while loop executes a particular set
of codes till the condition is true
 Syntax :
while (condition is true)
{
code to be executed;
}

5.  The do-while loop execute the block of
code once, and then checks the
condition and repeats the loop, while
the specified condition is true.
 Syntax :
do
{
code to be executed;
} while (condition is true);

6.  It is used when we already know the
number of times we want to run that
loop.
 Syntax :
for (init counter; test counter; increment counter)
{
code to be executed;
}

7.  While loop checks for the condition first.
so it may not even enter into the loop, if
the condition is false.
 do while loop, execute the statements in
the loop first before checks for the
condition. At least one iteration takes
places, even if the condition is false.
 for loop is similar to while loop except
that initialization statement, usually the
counter variable initialization

8.  The main power of PHP is in its Functions,
user defined functions or system
functions
 PHP has many inbuilt functions.
 User can also define functions
 A function is a set of statements that can
be used repeatedly in a program
 Function will be executed by the call to
the function

9.  A user defined function should start with
a “function” tag
 Syntax :
function functionName() {
code to be executed;
}
 A function name can start with a letter or
underscore but not a number.
 Function names are NOT case-sensitive.

10.  Some functions require inputs to work
properly, eg. Area, conversions, etc.
 Arguments are specified after the
function name, inside the parentheses
 An Argument behaves as a variable
here, it is used to pass the value

11.  If a default value needs to be set, we will
specify it in the arguments to the
function
 Declaration :
<?php
function functionname (arguments = value) {
echo "The value is : $minlimit <br>";
}

12.  To make a function return a value, use
the return statement
 Declaration :
<?php
function sum($x, $y) {
$z = $x + $y;
return $z;
}