Object Oriented PHP (OOP) Part-1
1: Introduction To Object Oriented PHP Programming
2: Simple Explanation Of The MVC Model
3: Create Classes In Object Oriented PHP
4: What Are Scopes In Object Oriented PHP Programming
5: Properties And Methods In Object Oriented PHP
6: MAGIC METHODS - Construct And Deconstruct Methods
7: Delete Objects In Object Oriented PHP
8: How To Use The toString Method
9: Static Properties And Methods In Object Oriented PHP
10: Initialise Object Properties In Object Oriented PHP - How to pass a parameter in a Constructor method inside a class
11: Our First Exercise Using Object Oriented PHP, Basic Calculator
12: Connect To A Database Using MySQLi
13: How To Connect To A Database Using PDO PHP
14: How To Query A Database Using PDO PHP
2: Simple Explanation Of The MVC Model
3: Create Classes In Object Oriented PHP
4: What Are Scopes In Object Oriented PHP Programming
5: Properties And Methods In Object Oriented PHP
6: MAGIC METHODS - Construct And Deconstruct Methods
7: Delete Objects In Object Oriented PHP
8: How To Use The toString Method
9: Static Properties And Methods In Object Oriented PHP
10: Initialise Object Properties In Object Oriented PHP - How to pass a parameter in a Constructor method inside a class
11: Our First Exercise Using Object Oriented PHP, Basic Calculator
12: Connect To A Database Using MySQLi
13: How To Connect To A Database Using PDO PHP
14: How To Query A Database Using PDO PHP
_____VID #1_____________________
Basic template for index.php
<?php
include 'includes/php program file 1;
include 'includes/php program file 2;
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
/*
* PHP Code Here *
*/
?>
</body>
</html>
</!DOCTYPE>
_____VID #1_____________________
1: Object Oriented PHP
====Filename ======================index.php
===================================
<!---
/* Youtube Video https://youtu.be/w8jVNr-dDlM
* 5: Properties And Methods In Object Oriented
* PHP Programming |
* OOP PHP Tutorial | Learn OOP PHP
*/
--->
<?php
include 'includes/parentclass1.inc.php';
include 'includes/newclass1.inc.php';
$object = new NewClass;
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
echo $object ->name();
/*
* If an object $object points to a variable, like name,
* echo $object ->name;
* the program will fail.
*/
?>
</body>
</html>
</!DOCTYPE>
====================================
====Filename ======================
includes/parentclass1.inc.php
===================================
<?php
class ParentClass{
//Properties and Methods go here
public $name = "Hey there!";
}
?>
====Filename ======================
includes/newclass1.inc.php
===================================
includes/newclass1.inc.php
===================================
<?php
class NewClass extends ParentClass {
//Properties and Methods go here
public function name(){
return $this -> name;
}
}
?>
_____VID #2_____________________
Simple Explanation Of The MVC Model
_____VID #2_____________________
_____VID #3_____________________
3: Create Classes In Object Oriented PHP
_____VID #3_____________________
_____VID #4_____________________
4: What Are Scopes In Object Oriented PHP Programming
_____VID #4_____________________
_____VID #5_____________________
<!-------------------------------------------
/* Youtube Video https://youtu.be/w8jVNr-dDlM
* VID Lec#5
* index5.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
include 'includes/newclass5.inc.php';
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
$object = new NewClass;
$object2 = new NewClass;
/*
* Want to access a property inside an object.
*/
$object->setNewProperty("This is a user Daniel.");
echo $object->getProperty()."<br>";
$object2->setNewProperty("This is a user called Jon.");
echo $object2->getProperty()."<br>";
?>
</body>
</html>
</!DOCTYPE>
<!-------------------------------------------
* newclass5.inc.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
class NewClass {
//Properties and Methods go here
public $data = "I am a property";
public function setNewProperty($newdata){
$this->data = $newdata;
}
public function getProperty(){
return $this->data;
}
}
?>
_____VID #6_____________________
6: MAGIC METHODS - Construct And Deconstruct Methods
<!-------------------------------------------/* Youtube Video https://youtu.be/w8jVNr-dDlM
* VID Lec#6
* index6.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
include 'includes/newclass6.inc.php';
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
$object = new NewClass;
$object2 = new NewClass;
/* Want to access a property inside an object.*/
echo $object->getProperty()."<br>";
?>
</body>
</html>
</!DOCTYPE>
<!-------------------------------------------
* newclass6.inc.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
class NewClass {
//Properties and Methods go here
public $data = "I am a property";
public function __construct(){
echo "This class has been instantiated."."<br>";
}
public function setNewProperty($newdata){
$this->data = $newdata;
}
public function getProperty(){
return $this->data;
}
public function __destruct(){
echo "This is the end of the class!"."<br>";
}
}
?>
_____VID #7_____________________
7: Delete Objects In Object Oriented PHP
/* Youtube Video https://youtu.be/w8jVNr-dDlM
* VID Lec#7
* index7.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
include 'includes/newclass7.inc.php';
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
$object = new NewClass;
unset($object);
echo $object->getProperty()."<br>";
?>
</body>
</html>
</!DOCTYPE>
<!-------------------------------------------
* newclass7.inc.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
class NewClass {
//Properties and Methods go here
public $data = "I am a property";
public function __construct(){
echo "This class has been instantiated."."<br>";
}
public function setNewProperty($newdata){
$this->data = $newdata;
}
public function getProperty(){
return $this->data;
}
public function __destruct(){
echo "This is the end of the class!"."<br>";
}
}
?>
_____VID #8_____________________
8: How To Use The toString Method
<!-------------------------------------------/* Youtube Video https://youtu.be/w8jVNr-dDlM
* VID Lec#8
* index8.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
include 'includes/newclass8.inc.php';
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
$object = new NewClass;
echo $object."<br>";
?>
</body>
</html>
</!DOCTYPE>
<!-------------------------------------------
* newclass8.inc.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
class NewClass {
//Properties and Methods go here
public $data = "I am a property";
public $error = "This is a class called.. ".__CLASS__."..!";
public function __construct(){
echo "This class has been instantiated."."<br>";
}
public function __toString(){
echo "toString Method:";
return $this->error;
}
public function setNewProperty($newdata){
$this->data = $newdata;
}
public function getProperty(){
return $this->data;
}
public function __destruct(){
echo "This is the end of the class!"."<br>";
}
}
?>
_____VID #9____________________
9: Static Properties And Methods In Object Oriented PHP_
<!-------------------------------------------/* Youtube Video https://youtu.be/w8jVNr-dDlM
* VID Lec#9
* index9.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
include 'includes/newclass9.inc.php';
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
echo NewClass::staticMethod();
?>
</body>
</html>
</!DOCTYPE>
<!-------------------------------------------
* newclass9.inc.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
class NewClass {
//Properties and Methods go here
public $data = "I am a property";
public $error = "This is a class called.. ".__CLASS__."..!";
public static $static = 0;
public function __construct(){
echo "This class has been instantiated."."<br>";
}
public function __toString(){
echo "toString Method:";
return $this->error;
}
public static function staticMethod(){
return self::$static + 2;
}
public function setNewProperty($newdata){
$this->data = $newdata;
}
public function getProperty(){
return $this->data;
}
public function __destruct(){
echo "This is the end of the class!"."<br>";
}
}
?>
_____VID #10____________________
10: Initialise Object Properties In Object Oriented PHP
How to pass a parameter in a Constructor method inside a class_
<!-------------------------------------------/* Youtube Video https://youtu.be/w8jVNr-dDlM
* VID Lec#10
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
include 'includes/newclass10.inc.php';
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
$users = new Users('john','Doe','Blond','Brown');
echo "Fullname: ".$users ->fullname().'<br>';
echo "Profile".$users ->profile();
?>
</body>
</html>
</!DOCTYPE>
<!-------------------------------------------
* newclass10.inc.php
* PHP Programming|OOP PHP Tutorial | Learn OOP PHP */
-------------------------------------------->
<?php
class Users {
//Properties and Methods go here
public $first;
public $last;
public $hairColor;
public $eyeColor;
public function __construct($first, $last, $hairColor,
$eyeColor){
$this->first = $first;
$this->last = $last;
$this->hairColor = $hairColor;
$this->eyeColor = $eyeColor;
}
public function fullname(){
return $this->first. " ".$this->last;
}
public function profile(){
return $this->hairColor." and ".$this->eyeColor;
}
public function __destruct(){
}
}
?>
==========================
output
==========================
Fullname: john Doe
ProfileBlond and Brown
==========================
