<?php
// 86400 = 1 day
$cookie_name = "user";
$cookie_value = "abhi";
setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/");
?>
<html>
<body>
<?php
if(!isset($_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];
}
?>
<?php
$age = array("abc"=>"35", "def"=>"37", "ghi"=>"43");
foreach($age as $x => $x_value) {
echo "Key=" . $x .
", Value=" . $x_value;
echo "<br>";
}
?>
Indexed Array
<?php
$cars = array("php", "javascript", "jquery");
$arrlength = count($cars);
for($x = 0; $x < $arrlength; $x++) {
echo $cars[$x];
echo "<br>";
}
?>
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
$conn =
new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql
= "UPDATE userSET lastname='Doe' WHERE id=5";
if ($conn->query($sql) === TRUE) {
echo "Record
updated successfully";
} else {
echo
"Error updating record: " . $conn->error;
}
$conn->close();
?>
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
$conn = mysqli_connect($servername, $username, $password,
$dbname);
if (!$conn) {
die("Connection
failed: " . mysqli_connect_error());
}
$sql = "UPDATE MyGuests
SET lastname='Doe' WHERE id=5";
if (mysqli_query($conn, $sql)) {
echo "Record
updated
successfully";
} else {
echo "Error
updating record: " . mysqli_error($conn);
}
mysqli_close($conn);
?>
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname =
"myDBPDO";
try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname",
$username, $password);
$conn->setAttribute(PDO::ATTR_ERRMODE,
PDO::ERRMODE_EXCEPTION);
$sql
= "UPDATE MyGuests SET lastname='Doe' WHERE id=5";
$stmt =
$conn->prepare($sql);
$stmt->execute();
echo $stmt->rowCount() . " records
UPDATED successfully";
}
catch(PDOException $e)
{
echo $sql . "<br>" . $e->getMessage();
}
$conn = null;
?>
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
$conn =
new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql
= "DELETE FROM user WHERE id=5";
if ($conn->query($sql) === TRUE) {
echo "Record
deleted successfully";
} else {
echo
"Error deleting record: " . $conn->error;
}
$conn->close();
?>
Example (MySQLi Procedural)
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
$conn = mysqli_connect($servername, $username, $password,
$dbname);
if (!$conn) {
die("Connection
failed: " . mysqli_connect_error());
}
$sql
= "DELETE FROM user WHERE id=5";
if (mysqli_query($conn, $sql)) {
echo "Record deleted
successfully";
} else {
echo "Error
deleting record: " . mysqli_error($conn);
}
mysqli_close($conn);
?>
Example (PDO)
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname =
"myDB";
try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname",
$username, $password);
$conn->setAttribute(PDO::ATTR_ERRMODE,
PDO::ERRMODE_EXCEPTION);
$sql
= "DELETE FROM user WHERE id=5";
$conn->exec($sql);
echo "Record deleted successfully";
}
catch(PDOException $e)
{
echo $sql . "<br>" . $e->getMessage();
}
$conn = null;
?>
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
// Create connection$conn = new mysqli($servername,
$username, $password, $dbname);
// Check connectionif ($conn->connect_error)
{
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT id, firstname, lastname FROM user";
$result
= $conn->query($sql);
if ($result->num_rows > 0) {
// output data of each row while($row = $result->fetch_assoc())
{
echo "id: " .
$row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"].
"<br>";
}
} else {
echo "0 results";
}
$conn->close();
?>
Example (MySQLi Procedural)
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
// Create connection
$conn = mysqli_connect($servername, $username, $password,
$dbname);
// Check connection
if (!$conn) {
die("Connection
failed: " . mysqli_connect_error());
}
$sql = "SELECT id, firstname, lastname FROM user";
$result
= mysqli_query($conn, $sql);
if (mysqli_num_rows($result) > 0) {
// output data of each row while($row =
mysqli_fetch_assoc($result))
{
echo "id: " .
$row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"].
"<br>";
}
} else {
echo "0 results";
}
mysqli_close($conn);
?>
Example (MySQLi Object-oriented)
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
// Create connection$conn = new mysqli($servername,
$username, $password, $dbname);
// Check connectionif ($conn->connect_error)
{
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT id, firstname, lastname FROM user";
$result
= $conn->query($sql);
if ($result->num_rows > 0) {
echo "<table><tr><th>ID</th><th>Name</th></tr>";
//
output data of each row while($row = $result->fetch_assoc())
{
echo "<tr><td>".$row["id"]."</td><td>".$row["firstname"]."
".$row["lastname"]."</td></tr>";
}
echo "</table>";
} else {
echo "0 results";
}
$conn->close();
?>
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
// Create connection$conn =
new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "INSERT INTO
user(firstname, lastname, email)
VALUES ('abhi', 'aghera', 'example@example.com')";
if ($conn->query($sql) === TRUE) {
$last_id =
$conn->insert_id;
echo "New record created successfully. Last
inserted ID is: " . $last_id;
} else {
echo
"Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
?>
Example (MySQLi Procedural)
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
// Create connection
$conn = mysqli_connect($servername, $username, $password,
$dbname);
// Check connection
if (!$conn) {
die("Connection
failed: " . mysqli_connect_error());
}
$sql = "INSERT INTO
user(firstname, lastname, email)
VALUES ('abhi', 'aghera', 'example@example.com')";
if (mysqli_query($conn, $sql)) {
$last_id =
mysqli_insert_id($conn);
echo "New record created
successfully. Last inserted ID is: " . $last_id;
} else {
echo "Error: "
. $sql . "<br>" . mysqli_error($conn);
}
mysqli_close($conn);
?>
Example (PDO)
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname =
"myDBPDO";
try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname",
$username, $password);
// set the PDO error mode to exception $conn->setAttribute(PDO::ATTR_ERRMODE,
PDO::ERRMODE_EXCEPTION);
$sql = "INSERT INTO user(firstname, lastname, email)
VALUES ('abhi', 'aghera', 'example@example.com')";
// use exec() because no
results are returned $conn->exec($sql);
$last_id = $conn->lastInsertId();
echo "New record
created successfully. Last inserted ID is: " . $last_id;
}
catch(PDOException $e)
{
echo $sql . "<br>" . $e->getMessage();
}
$conn = null;
?>
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
$conn =
new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "INSERT INTO
user (firstname, lastname, email)
VALUES ('abhi', 'aghera', 'example@example.com')";
if ($conn->query($sql) === TRUE) {
echo "New
record created successfully";
} else {
echo
"Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
?>
Example (MySQLi Procedural)
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$dbname =
"myDB";
$conn = mysqli_connect($servername, $username, $password,
$dbname);
if (!$conn) {
die("Connection
failed: " . mysqli_connect_error());
}
$sql = "INSERT INTO
user(firstname, lastname, email)
VALUES ('abhi', 'aghera', 'example@example.com')";
if (mysqli_query($conn, $sql)) {
echo "New
record
created successfully";
} else {
echo "Error: "
. $sql . "<br>" . mysqli_error($conn);
}
mysqli_close($conn);
?>
Example (PDO)
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname =
"myDBPDO";
try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname",
$username, $password);
$conn->setAttribute(PDO::ATTR_ERRMODE,
PDO::ERRMODE_EXCEPTION);
$sql = "INSERT INTO
user(firstname, lastname, email)
VALUES ('abhi', 'aghera', 'example@example.com')";
$conn->exec($sql);
echo "New record created successfully";
}
catch(PDOException $e)
{
echo $sql . "<br>" . $e->getMessage();
}
$conn = null;
?>
<?php
$servername = "localhost";
$username = "username";
$password =
"password";
$conn =
new mysqli($servername, $username, $password);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
?>
Example (MySQLi Procedural)
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$conn = mysqli_connect($servername,
$username, $password);
if (!$conn) {
die("Connection
failed: " . mysqli_connect_error());
}
echo "Connected
successfully";
?>
Example (PDO)
<?php
$servername = "localhost";
$username = "username";
$password = "password";
try {
$conn = new PDO("mysql:host=$servername;dbname=myDB",
$username, $password);
$conn->setAttribute(PDO::ATTR_ERRMODE,
PDO::ERRMODE_EXCEPTION);
echo "Connected
successfully";
}
catch(PDOException $e)
{
echo "Connection failed: " . $e->getMessage();
}
?>
