Server Side Scripting (PHP)

 

Server-Side Scripting (PHP)

·        Simple php program.

First.php

<!DOCTYPE html>

<html>

<head>

<title>My First Php Program</title>

</head>

<body>

<h1>My First PHP Page</h1>

<?php

echo "Welcome to my page";

?>

</body>

</html>

·        Simple php program for echo keyword.

Case.php

<!DOCTYPE html>

<html>

<head>

<title></title>

</head>

<body>

<h3>Echo keyword is insensitive</h3>

<?php

echo "Welcome to my page <br>";

ECHO "Welcome to my page <br>";

EchO "Welcome to my page <br>";

?>

</body>

</html>

·        Simple php program to demonstrate variable declaration.

Variable.php

<?php

$a=20;

$c=15;

function myFunction()

{

$b=10;

global $c;

echo "<p>Value of a inside function is : $a</p>";

echo "<p>Value of b inside function is : $b</p>";

echo "<p>Value of c inside function is : $c</p>";

}

myFunction();

echo "<p>Value of a outside function is : $a</p>";

echo "<p>Value of b outside function is : $b</p>";

?>

·        Simple php program for static keyword.

Static.php

<?php

function myCount()

{

static $c=0;

echo $c;

$c++;

}

echo "Output of myCount() with use of 'static' keyword : <br>";

myCount();

echo "<br>";

myCount();

echo "<br>";

myCount();

?>

·        Simple php program to demonstrate var_dump() method.

Datatype.php

<?php

echo "<br>---String---<br>";

$x="Hello World !";

echo var_dump($x);

echo "<br>---Decimal---<br>";

$x=1234.20;

echo var_dump($x);

echo "<br>---Integer---<br>";

$x=1234;

echo var_dump($x);

?>

·        Simple php program to find out greater number using if statement.

Greater.php

<?php

$a=10;

$b=20;

if($a>$b)

{

echo "$a is greater than $b";

}

else

{

echo "$b is greater $a";

}

?>

·        Simple php program to print table of 2 using for loop.

Tab.php

<?php

$a=2;

for($i=1;$i<=10;$i++)

{

echo "<br>".$a*$i;

}

?>

·        Simple php program to demonstrate various string functions.

String.php

<?php

$str="PHP runs on various platforms.";

echo "Entered String is :- ".$str;

echo "<br> String Length :- ".strlen($str);

echo "<br>Total Words in a string :- ".str_word_count($str);

echo "<br> Reverse String :- ".strrev($str);

echo "<br>Position of 'o' in a string :- ".strpos($str,"o");

echo "<br>Replace PHP with php :- ".str_replace("PHP","php",$str);

echo "<br>Extract some part of string :- ".substr($str,6,10);

echo "<br>Convert string to lowercase :- ".strtolower($str);

echo "<br>Count the occurance of substracted string :- ".substr_count($str);

echo "<br>Capitalize each word of string :- ".ucwords($str);

?>

·        Simple php program to create indexed array.

array.php

<?php

$flowers=array("Rose","Marigold","Lotus","Jasmine","Mogara");

echo "I Like these flowers ".$flowers[0]." , ".$flowers[1]." , ".$flowers[2]." , ".$flowers[3]." , ".$flowers[4];

echo "<br> Count Elements of Array : ".count($flowers);

?>

·        Simple php program to create indexed array.

Foreach.php

<?php

$flowers=array("Rose","Marigold","Lotus","Jasmine","Mogara");

echo "Flower names are :- <br>";

foreach($flowers as $value)

{

            echo "$value<br>";

}

?>

·        Simple php program to create associative array.

Associative.php

<?php

$mobiles=array("Redmi"=>"6000","Samsung"=>"8000","Oppo"=>"7500","Vivo"=>"9000","Oneplus"=>"20000");

echo "<br> Redmi Phone cost is :- ".$mobiles['Redmi'];

echo "<br> Oppo Phone cost is :- ".$mobiles['Oppo'];

?>

·        Simple php program to create multidimensional array.

multi.php

<?php

$cars=array(

array("Volvo",23,19),

array("BMW",16,18),

array("Hyundai",20,17),

array("Land Rover",22,20)

);

echo $cars[0][0]." : In stock : ".$cars[0][1]." , Sold : ".$cars[0][2]."<br>";

echo $cars[1][0]." : In stock : ".$cars[1][1]." , Sold : ".$cars[1][2]."<br>";

echo $cars[2][0]." : In stock : ".$cars[2][1]." , Sold : ".$cars[2][2]."<br>";

echo $cars[3][0]." : In stock : ".$cars[3][1]." , Sold : ".$cars[3][2]."<br>";

?>

·        Simple php program to perform addition using user defined function.

add.php

<?php

function add()

{

$a=10;

$b=30;

$c=$a+$b;

echo "Addition of $a and $b is : ".$c;

}

add(); //Calling of function

?>

·        Simple php program to demonstrate parameterized function.

Stud.php

<?php

function stud($rno,$sname)

{

echo "Roll no is $rno and Name is $sname <br>";

}

stud(101,"Ajay");

stud(102,"Ritesh");

stud(103,"Sonam");

stud(104,"Sonakshi");

?>

·        Simple php program using return keyword.

Return.php

<?php

function sum(int $x, int $y)

{

$z=$x+$y;

return $z;

}

echo "5 + 10 = ".sum(5,10)."<br>";

echo "5 + 10 = ".sum(7,13)."<br>";

?>

·        Simple php program to demonstrate form handling.

Welcome.html

<!DOCTYPE html>

<html>

<head>

<title>Form Handeling</title>

</head>

<body>

<form action="welcome.php" method="post">

Name : <input type="text" name="name"> <br>

Email : <input type="text" name="email"> <br>

<input type="submit">

</form>

</body>

</html>

welcome.php

<!DOCTYPE html>

<html>

<head>

            <title></title>

</head>

<body>

Welcome

<?php

echo $_POST["name"];

?> <br>

Your email address is :

<?php

echo $_POST["email"];

?>

</body>

</html>

·        Simple php program of addition using form.

Add1.php

<?php

if(isset($_POST["submit"]))

{

$num1=$_POST["n1"];

$num2=$_POST["n2"];

$result=$num1+$num2;

//echo "Addition of $num1 and $num2 is : ".$result;

}

?>

 

<html>

<head>

<title>Form Handling</title>

</head>

<body>

<form method="POST" action="add1.php">

Number 1 : <input type="number" name="n1"> <br>

Number 2 : <input type="number" name="n2"> <br>

Number 3 : <input type="number" name="result" value="<?php echo $result ?>"><br>

<input type="submit" name="submit">

</form>

</body>

</html>

·        Simple php program to calculate bmi of user.

Bmi.html

<!DOCTYPE html>

<html>

<head>

<title>BMI Calculator</title>

</head>

<body>

<form method="get" action="bmi.php">

Weight in Kg :- <input type="text" name="weight"> <br>

Height in Cm :- <input type="text" name="height"><br>

<input type="submit" name="submit" value="Calculate">

</form>

</body>

</html>

bmi.php

<?php

$height=$_GET["height"];

$weight=$_GET["weight"];

$heighInMs=$height/100;

$bmi=$weight/($heighInMs*$heighInMs);

if($bmi < 18.5)

{

$message = "You are underweight";

}

else if($bmi >=18.5 && $bmi <=24.9)

{

$message = "Congrats!! You have normal weight";

}

elseif($bmi >24.9 && $bmi<=29.9)

{

$message = "You are overweight.";

}

else

{

$message = "Be careful!! You are Obese";

}

echo "<br> Your BMI is : ".$bmi."<br>";

echo $message;

?>

 

 

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