<?php
/* First method to create an associate array. */
$student_one = array("Maths"=>95, "Physics"=>90,
"Chemistry"=>96, "English"=>93,
"Computer"=>98);
/* Second method to create an associate array. */
$student_two["Maths"] = 95;
$student_two["Physics"] = 90;
$student_two["Chemistry"] = 96;
$student_two["English"] = 93;
$student_two["Computer"] = 98;
/* Accessing the elements directly */
echo "Marks for student one is:\n";
echo "Maths:" . $student_two["Maths"], "\n";
echo "Physics:" . $student_two["Physics"], "\n";
echo "Chemistry:" . $student_two["Chemistry"], "\n";
echo "English:" . $student_one["English"], "\n";
echo "Computer:" . $student_one["Computer"], "\n";
?>
<?php
/* Creating an associative array of mixed types */
$arr["xyz"] = 95;
$arr[100] = "abc";
$arr[11.25] = 100;
$arr["abc"] = "pqr";
/* Looping through an array using foreach */
foreach ($arr as $key => $val){
echo $key."==>".$val."\n";
}
?>
<?php
/* Creating an associative array */
$student_one = array("Maths"=>95, "Physics"=>90,
"Chemistry"=>96, "English"=>93,
"Computer"=>98);
/* Looping through an array using foreach */
echo "Looping using foreach: \n";
foreach ($student_one as $subject => $marks){
echo "Student one got ".$marks." in ".$subject."\n";
}
/* Looping through an array using for */
echo "\nLooping using for: \n";
$subject = array_keys($student_one);
$marks = count($student_one);
for($i=0; $i < $marks; ++$i) {
echo $subject[$i] . ' ' . $student_one[$subject[$i]] . "\n";
}
?>
delete.php
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "mydb";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// sql to delete a record
$sql = "DELETE FROM student WHERE roll_no=10";
if ($conn->query($sql) === TRUE) {
echo "Record deleted successfully";
} else {
echo "Error deleting record: " . $conn->error;
}
$conn->close();
?>
insert.php
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "mydb";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// sql to create table
$sql = "CREATE TABLE MyGuests (
id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
email VARCHAR(50),
reg_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
)";
$sql = "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('John', 'Doe', 'john@example.com')";
if ($conn->query($sql) === TRUE) {
echo "Table MyGuests created successfully";
} else {
echo "Error creating table: " . $conn->error;
}
$conn->close();
?>
select.php
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "mydb";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT id, firstname, lastname FROM MyGuests";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
echo "id: " . $row["id"]. " <br> Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
}
} else {
echo "0 results";
}
$conn->close();
?>
form using get
<html>
<body>
<form action="wel.php" method="get">
Name: <input type="text" name="name"><br>
E-mail: <input type="text" name="email"><br>
<input type="submit">
</form>
</body>
</html>
<html>
<body>
<form action="wel.php" method="post">
Name: <input type="text" name="name"><br>
E-mail: <input type="text" name="email"><br>
<input type="submit">
</form>
</body>
</html>
wel.php
<html>
<body>
Welcome <?php echo $_GET["name"]; ?><br>
Your email address is: <?php echo $_GET["email"]; ?>
</body>
</html>
<html>
<body>
Welcome <?php echo $_POST["name"]; ?><br>
Your email address is: <?php echo $_POST["email"]; ?>
</body>
</html>
session
<?php
session_start();
$_SESSION["Rollnumber"] = "11";
$_SESSION["Name"] = "Ajay";
?>
<?php
echo 'The Name of the student is :' . $_SESSION["Name"] . '<br>';
echo 'The Roll number of the student is :' . $_SESSION["Rollnumber"] . '<br>';
?>
arrays.php
<?php
$input_array = array('a', 'b', 'c', 'd', 'e');
print_r(array_chunk($input_array, 2));
?>
<?php
// PHP program to illustrate the working
// of array_combine() function
function combine($array1, $array2) {
return(array_combine($array1, $array2));
}
// Driver Code
$array1 = array("Ram", "Akash", "Rishav");
$array2 = array('24', '30', '45');
print_r(combine($array1, $array2));
?>
<?php
// PHP code to illustrate the working
// of array_count_values() function
function Counting($array){
return(array_count_values($array));
}
// Driver Code
$array = array("Geeks", "for", "Geeks", "Geeks", "Welcome", "for");
print_r(Counting($array));
?>
<?php
// PHP code to illustrate the
// array_diff_key() function
// Input Arrays
$array1 = array("10"=>"RAM", "20"=>"LAXMAN", "30"=>"RAVI",
"40"=>"KISHAN", "50"=>"RISHI");
$array2 = array("10"=>"RAM", "20"=>"LAXMAN",
"30"=>"KISHAN", "80"=>"RAGHAV");
print_r(array_diff_key($array1, $array2));
?>
<?php
// PHP code to illustrate the working of array_fill()
function Fill($start_index, $number_elements, $values){
return(array_fill($start_index, $number_elements, $values));
}
// Driver Code
$start_index = 2;
$number_elements = 5;
$values = "Geeks";
print_r(Fill($start_index, $number_elements, $values));
?>
angular
<html>
<body>
<p style="text-align: center ">
Simple Application</p>
<div ng-app = "">
<p>Enter your Name: <input type = "text" ng-model = "name"></p>
<p>Hello <span ng-bind = "name"></span>!</p>
</div>
<script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js">
</script>
</body>
</html>
cookies
<!DOCTYPE html>
<?php
$cookie_name = "user";
$cookie_value = "John Doe";
setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/"); // 86400 = 1 day
?>
<html>
<body>
<?php
if(!isset($_COOKIE[$cookie_name])) {
echo "Cookie named '" . $cookie_name . "' is not set!";
} else {
echo "Cookie '" . $cookie_name . "' is set!<br>";
echo "Value is: " . $_COOKIE[$cookie_name];
}
?>
</body>
</html>
cssinhtml
<html>
<head>
<style>
body{
background-color:red;
}
.box{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
width: 600px;
padding: 10px;
background: red;
box-sizing: border-box;
box-shadow: grey;
border-radius: 10px;
}
</style></head>
<body >
<h1 class="box", style="background-color:blue; text-align:center">hi</h1>
</body></html>
exception
<!DOCTYPE html>
<html>
<body>
<p>Please input a number between 5 and 10:</p>
<input id="demo" type="text">
<button type="button" onclick="myFunction()">Test Input</button>
<p id="p01"></p>
<script>
function myFunction() {
const message = document.getElementById("p01");
message.innerHTML = "";
let x = document.getElementById("demo").value;
try {
if(x.trim() == "") throw "empty";
if(isNaN(x)) throw "not a number";
x = Number(x);
if(x < 5) throw "too low";
if(x > 10) throw "too high";
}
catch(err) {
message.innerHTML = "Input is " + err;
}
}
</script>
</body>
</html>
inheritence
<?php
class Fruit {
public $name;
public $color;
public function __construct($name, $color) {
$this->name = $name;
$this->color = $color;
}
public function intro() {
echo "The fruit is {$this->name} and the color is {$this->color}.";
}
}
// Strawberry is inherited from Fruit
class Strawberry extends Fruit {
public function message() {
echo "Am I a fruit or a berry? ";
}
}
$strawberry = new Strawberry("Strawberry", "red");
$strawberry->message();
$strawberry->intro();
?>
methodover
<?php
class GFG {
public function __call($member, $arguments) {
$numberOfArguments = count($arguments);
if (method_exists($this, $function = $member.$numberOfArguments)) {
call_user_func_array(array($this, $function), $arguments);
}
}
private function multiply($argument1) {
echo $argument1;
}
private function multiply2($argument1, $argument2) {
echo $argument1 * $argument2;
}
}
$class = new GFG;
$class->multiply(2);
$class->multiply(5, 7);
?>
nodejs
var http = require("http");
http.createServer(function (request, response) {
// Send the HTTP header
// HTTP Status: 200 : OK
// Content Type: text/plain
response.writeHead(200, {'Content-Type': 'text/plain'});
// Send the response body as "Hello World"
response.end('Hello World\n');
}).listen(8081);
// Console will print the message
console.log('Server running at http://127.0.0.1:8081/');
session
<?php
session_start();
if( isset( $_SESSION['counter'] ) ) {
$_SESSION['counter'] += 1;
}else {
$_SESSION['counter'] = 1;
}
$msg = "You have visited this page ". $_SESSION['counter'];
$msg .= "in this session.";
?>
<html>
<head>
<title>Setting up a PHP session</title>
</head>
<body>
<?php echo ( $msg ); ?>
</body>
</html>
textsize
<!DOCTYPE html>
<html>
<body>
<div id="h"></div>
<script>
var v = 0, f = 1,t="TEXT-GROWING",color;
function a()
{
if(f==1)
v+=5,color="red";
else
v-=5,color="blue";
document.getElementById("h").innerHTML = "<h1 style=\"font-size: "+v+"px ; margin: 0px; color : "+color+"\"><b> "+t+"</b></h1>";
if(v==50)
f = 0, t="Hey";
if(v==5)
f = 1, t="Hey Buddy.....!";
c();
}
function c()
{
setTimeout(a,300);
}
c();
</script>
</body>
</html>
reg
<Html>
<head>
<style>
.container{
position:absolute;
top:30%;
left:30%;
}</style></head>
<body bgcolor="Lightskyblue">
<form action="adarsh.php" class="container">
<label> Firstname </label>
<input type="text" name="firstname" size="15"/> <br> <br>
<label> Lastname: </label>
<input type="text" name="lastname" size="15"/> <br> <br>
<label>
Course :
</label>
<select>
<option value="Course">Course</option>
<option value="BCA">BCA</option>
<option value="BBA">BBA</option>
<option value="B.Tech">B.Tech</option>
<option value="MBA">MBA</option>
<option value="MCA">MCA</option>
<option value="M.Tech">M.Tech</option>
</select> <br> <br>
<label>
Gender :
</label><br>
<input type="radio" name="male"/> Male <br>
<input type="radio" name="female"/> Female <br>
<input type="radio" name="other"/> Other
<br>
<br>
<label>
Phone :
</label>
<input type="text" name="country code" value="+91" size="2"/>
<input type="text" name="phone" size="10"/> <br> <br>
<input type="submit" value="Submit"/>
</form>
</body>
</html>
insert in db
<!DOCTYPE html>
<html lang="en">
<body>
<center>
<h1>Storing Form data in Database</h1>
<form action="index.php" method="post">
<p>
<label for="firstName">First Name:</label>
<input type="text" name="first_name" id="firstName">
</p>
<p>
<label for="lastName">Last Name:</label>
<input type="text" name="last_name" id="lastName">
</p>
<input type="submit" value="Submit">
</form>
</center>
</body>
</html>
index.php
<!DOCTYPE html>
<html>
<body>
<center>
<?php
$conn = mysqli_connect("localhost", "root", "", "external");
if($conn === false){
die("ERROR: Could not connect. "
. mysqli_connect_error());
}
// Taking all 5 values from the form data(input)
$first_name = $_REQUEST['first_name'];
$last_name = $_REQUEST['last_name'];
$sql = "INSERT INTO college VALUES ('$first_name',
'$last_name')";
if(mysqli_query($conn, $sql)){
echo "<h3>data stored in a database successfully."
. " Please browse your localhost php my admin"
. " to view the updated data</h3>";
echo nl2br("\n$first_name\n $last_name\n ");
} else{
echo "ERROR: Hush! Sorry $sql. "
. mysqli_error($conn);
}
mysqli_close($conn);
?>
</center>
</body>
</html>
get
<html>
<body>
<form action="wlcmt.php" method="get">
Name: <input type="text" name="name"><br>
E-mail: <input type="text" name="email"><br>
<input type="submit">
</form>
</body>
</html>
wel
<html>
<body>
Welcome <?php echo $_GET["name"]; ?><br>
Your email address is: <?php echo $_GET["email"]; ?>
</body>
</html>
fileupload
<?php
$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
if(isset($_POST["submit"])) {
$check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
if($check !== false) {
echo "File is an image - " . $check["mime"] . ".";
$uploadOk = 1;
} else {
echo "File is not an image.";
$uploadOk = 0;
}
}
?>
<!DOCTYPE html>
<html>
<body>
<form action="upload.php" method="post" enctype="multipart/form-data">
Select image to upload:
<input type="file" name="fileToUpload" id="fileToUpload">
<input type="submit" value="Upload Image" name="submit">
</form>
</body>
</html>
post
<html>
<body>
<form action="welcome.php" method="post">
Name: <input type="text" name="name"><br>
E-mail: <input type="text" name="email"><br>
<input type="submit">
</form>
</body>
</html>
<html>
<body>
Welcome <?php echo $_POST["name"]; ?><br>
Your email address is: <?php echo $_POST["email"]; ?>
</body>
</html>
Tags:
other