Add coursera assignment files

Author: vansh-codes

4_Advanced/OOPs/1_basic.php

@@ -0,0 +1,20 @@
+<?php
+class Car{
+    public $make;
+    public $model;
+    public $year;
+
+
+    public function __construct($make, $model, $year){
+        $this->make = $make;
+        $this->model = $model;
+        $this->year = $year;
+    }
+
+    public function getCarDetails(){
+        return "Make: $this->make, Model: $this->model, Year: $this->year<br>";
+    }
+}
+
+$car1 = new Car("Toyota", "Corolla", 2015);
+echo $car1->getCarDetails();

4_Advanced/OOPs/2_vehicle.php

@@ -0,0 +1,24 @@
+<?php
+
+class Vehicle{
+    public $type;
+    public $brand;
+
+    public function __construct($type, $brand){
+        $this->type = $type;
+        $this->brand = $brand;
+    }
+
+    function get_type(){
+        return $this->type;
+    }
+
+    function get_brand(){
+        return $this->brand;
+    }
+}
+
+$vehicle1 = new Vehicle("Car", "Toyota");
+echo "Type: ".$vehicle1->get_type().", Brand: ".$vehicle1->get_brand()."<br>";
+$vehicle2 = new Vehicle("Bike", "Honda");
+echo "Type: ".$vehicle2->get_type().", Brand: ".$vehicle2->get_brand()."<br>";

4_Advanced/OOPs/3_interface.php

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+<?php
+Interface MyInterface{
+    public function getName();
+    public function getAge();
+}
+
+class MyClass implements MyInterface{
+    public function getName(){
+        echo "My name A<br>";
+    }
+    public function getAge(){
+        echo "My age 20<br>";
+    }
+}
+
+$obj = new MyClass();
+$obj->getName();
+$obj->getAge();

5_MySQL/1_connection.php

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+<?php
+$servername = "localhost";
+$username = "root";
+$password = "";
+$databasename = "practice1";
+// using MYSQLi Object-oriented way
+$conn = new mysqli($servername, $username, $password, $databasename);
+
+// using MYSQLi Procedural way
+// $conn = mysqli_connect($servername, $username, $password, $databasename);
+
+if ($conn->connect_error) {
+    die("Connection failed: " . $conn->connect_error);
+}
+echo "Connected successfully";
+
+$sql = "CREATE TABLE `practice1` . `viaphp` (
+    `id` INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
+    `address` VARCHAR(30) NOT NULL,
+    `marks` INT(6) NOT NULL )";
+
+if ($conn->query($sql) === TRUE) {
+    echo "Table created successfully";
+} else {
+    echo "Error creating table: " . $conn->error;
+}

5_MySQL/2_createDb.php

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+<?php
+//Procedural oriented way
+$link = mysqli_connect("localhost", "root", "");
+
+if ($link === false) {
+    die("ERROR: Could not connect. " . mysqli_connect_error());
+}
+
+$sql = "CREATE DATABASE practice2";
+if (mysqli_query($link, $sql)) {
+    echo "Database created successfully";
+} else {
+    echo "ERROR: Could not able to execute $sql. " . mysqli_error($link);
+}
+
+mysqli_close($link);
+
+//Object oriented way
+/* $servername = "localhost";
+$username = "root";
+$password = "";
+$databasename = "practice2";
+// using MYSQLi Object-oriented way
+$conn = new mysqli($servername, $username, $password);
+
+if ($conn->connect_error) {
+    die("Connection failed: " . $conn->connect_error);
+}
+echo "Connected successfully";
+
+$sql = "CREATE DATABASE practice2";
+if ($conn->query($sql) === TRUE) {
+    echo "Database created successfully";
+} else {
+    echo "Database exists";
+}
+
+$conn->close(); */