(1) Print Hello World.
Here we can use Echo method
for Print hello world message.
Syntax:
echo “Write down Any Message with double
quota You Want Display it “;
Example:
<?
Php
Echo
“Hello World “;
?>
Output:
Hello World
(2) How to declare variable
and store value on that variable.
Here there is no keyword use
for declare php variable. Here $ sign is use for declare variable. Php is automatically
known that which type of value stored on that variable.
Syntax for declare variable:
$<Variable
name>;
Example:
$Name;
$name;
$_1;
Note: Php is CaseSencetive So
Capital and Small Variable Both Are Different.
Syntax for store value in variable:
$<Variable
Name>=value;
Example:
$Name = “Natural IT
Solution”;
$name=”Php
Programming”;
$_1=123;
Program 2:
<? Php
$Name = “Natural IT Solution”;
$name=”Php
Programming”;
Echo “Name is : - “;
Echo $Name;
Echo
“<br>”;
Echo
“name is:-”. $Name;
?>
(3) Conditional Statement.
There is various Conditional
Statement Available in Php Like,
1.
If
2.
If Else
3.
Nested If
4.
Switch Case
(1)
If Conditional Statement :
This statement is
useful when given condition is true then Statement Code will be execute.
Syntax:
If (Expression)
{
Statement Code to
Be Execute;
}
Program 3:
<? Php
//Find Maximum
Number
$A = 10;
$B = 15;
If ($A>$B)
{
echo “A Is Maximum”. $A;
}
?>
(2)
If Conditional Statement :
This statement is useful
when given condition is true then True Statement Code will be execute Else False
Statement code Will be execute.
Syntax:
If (Expression)
{
True Statement Code
to Be Execute;
}
Else
{
False
Statement Code to Be Execute;
}
Program 4:
<? Php
//Find Maximum
Number
$A = 10;
$B = 15;
If ($A>$B)
{
echo “A Is Maximum”. $A;
}
Else
{
echo “B Is Maximum”. $B;
}
?>
(3)
Nested If Conditional
Statement :
This statement is useful
when given multiple conditions; Code will be executed when one Condition is
True Otherwise Else Statement Code will be executed.
Syntax:
If (Expression)
{
True Statement Code
to Be Execute;
}
Else If (Expression)
{
True
Statement Code to Be Execute;
}
Else (Expression)
{
False
Statement Code to Be Execute;
}
Program 5:
<? Php
//Find Maximum
Number
$A = 10;
$B = 15;
$C = 5;
If ($A>$B
&& $A>$C)
{
echo “A Is Maximum”. $A;
}
Else if ($B>$C)
{
echo “B Is Maximum”. $B;
}
Else
{
echo “C Is Maximum”. $C;
}
?>
(4)
Switch Case Conditional
Statement :
This statement is useful
when given multiple Cases; Code will be executed when one Case is Match otherwise
default Statement Code will be executed.
Syntax:
Switch (Expression)
{
Case 1:
Statement code;
Break / continue;
Case 1:
Statement code;
Break / continue;
Case 1:
Statement code;
Break / continue;
Default:
Statement code;
Break / continue;
}
Program 6:
<? Php
//Find Number
$NO=1;
Switch ($NO)
{
Case 1:
Echo “One”;
Break;
Case 2:
Echo “Two”;
Break;
Case 3:
Echo “Three”;
Break;
Case 4:
Echo “Four”;
Break;
Case 5:
Echo “Five”;
Break;
Case 6:
Echo “Six”;
Break;
Case 7:
Echo “Seven”;
Break;
Default:
Echo “Number Not Availabe”;
Break;
}
?>
(4) Looping Statement.
There is various looping
Statement Available in php Like,
1. For
2. While
3. Do while
(1) For Loop:
Syntax:
For (declaration; condition/Expression;
Inc/Dec)
{
Statement;
}
Example:
<? Php
For ($i=1; $i<=10; $i++)
{
Echo “No Is: “. $i;
}
?>
(2) While Loop:
Syntax:
While (Condition /
Expression)
{
Statement;
(Increment/Decrement);
}
Example:
<? Php
While ($i<10)
{
Echo”No is:” $i;
$i++;
}
?>
(3) Do While Loop:
Syntax:
Do
{
Statement;
(Increment/Decrement);
} while (Condition / Expression);
Example:
<? Php
$i=1;
Do
{
Echo”No is:” $i;
$i++;
} while ($i<10);
?>
(5) Use Html Tag in PHP.
I think now, we all familiar with HTML.here the
question is that how we can use All Html Tag in PHP. Below I will give some
example so that you get the idea about all the html tag.
Example.
<? Php
Echo”<b>Bold Tag</b>”;
Echo”<U>Underline Tag</b>”;
Echo”<I>Italic Tag</I>”;
Echo”<input type=’text’ name=’txtname’/>”; Echo”<br>”;
Echo”<input type=’radio’ name=’gender’ value=’Male’>Male”;
Echo”<input type=’radio’ name=’gender’ value=’Female’>Female”;
Echo”<img src=’sunset.jpg’ alt=’sunset’></img> ”;
?>
(6) Use JavaScript in PHP.
Javascript is the one of the scripting language.
Which we use with HTML.
Javascript always Execute on client side. when
we want any client validation then we ca use Javascript.
Example.
<? Php
Echo”<b>Alert Box</b>”;
Echo”<script>”;
Echo”
alert(‘JavaScript In Php’)”;
Echo”</script>”;
?>
(7) GET and POST Method in PHP.
(1)
$_GET :
·
The Get Method is
useful when we want to transfer some value from One page to another page.
·
When we use this
Get method , transfer value show on the address bar.
·
You can set this
this method on form tag in method attributes.
Syntax:
$_GET
[“Variable name”];
Example-(1): Get.php
<Html>
<Head>
<Title>Get Method Example</title>
</head>
<Body>
<form
action=”getdata.php” method=”GET”>
Name
: <input type=”text” name=”txtname”/>
</form>
</body>
</html>
Example-(2):
getdata.php
<?
Php
Echo
“Your name”. $_GET [“txtname”];
?>
(2)
$_POST :
·
The POST Method
is useful when we want to transfer important data from One page to another
page.
·
When we use this POST
method ,the transfer value dont show on
the address bar.
·
You can set this
this method on form tag in method attributes.
Syntax:
$_POST[“Variable
name”];
Example-(1): Post.php
<Html>
<Head>
<Title>POST Method
Example</title>
</head>
<Body>
<form
action=”postdata.php” method=”post”>
Name
: <input type=”text” name=”txtname”/>
</form>
</body>
</html>
Example-(2): postdata.php
<?
Php
Echo
“Your name”. $_POST [“txtname”];
