The document discusses object-oriented programming (OOP) in PHP. It covers what OOP is, why it should be used in PHP, how to implement OOP in PHP code, and where OOP is commonly used. Key benefits of OOP highlighted include flexibility, reduced code size, improved security, and easier organization of code. The principles of MVC (model-view-controller) design pattern are also explained as they relate to OOP.
If you are new to programing in general OR if you started programing in php before Object-Oriented Programming was even available, this presentation is designed to help you get up to speed on Object-Oriented terminology and give you practical skills as well as resources to continue learning.
If you are new to programing in general OR if you started programing in php before Object-Oriented Programming was even available, this presentation is designed to help you get up to speed on Object-Oriented terminology and give you practical skills as well as resources to continue learning.
For beginners who want to go to the next level of OOP in PHP, we talk about magic methods, iterators, filters, some parts of the SPL, the subject/observer pattern and how you can build classes that have a lot of power and responsibility by implementing interfaces and then type-hinting and using just methods that are defined in the interface. Prefer composition over inheritance.
This PPT gives information about:
Advanced Theories
Inheriting Classes
Inheriting Constructors and Destructors
Overriding Methods
Access Control
Using the Scope Resolution Operator
Creating Static Members
Abstract Classes and Methods
This ppt gives information about:
1. OOPs Theory
2. Defining a Class
3. Creating an Object
4. The $this Attribute
5. Creating Constructors
6. Creating Destructors
These are the slides I was using in the PHP JumpStart lecture, that took place in HIT on October 9th, 2013. You can watch my lecture at http://youtu.be/h1bwU6VBVug.
More information about the Java course I deliver can be found at java.course.lifemichael.com
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More information about the Node.js course I deliver can be found at nodejs.course.lifemichael.com
More information about the Fullstack Development course I deliver can be found at fullstack.course.lifemichael.com
For beginners who want to go to the next level of OOP in PHP, we talk about magic methods, iterators, filters, some parts of the SPL, the subject/observer pattern and how you can build classes that have a lot of power and responsibility by implementing interfaces and then type-hinting and using just methods that are defined in the interface. Prefer composition over inheritance.
This PPT gives information about:
Advanced Theories
Inheriting Classes
Inheriting Constructors and Destructors
Overriding Methods
Access Control
Using the Scope Resolution Operator
Creating Static Members
Abstract Classes and Methods
This ppt gives information about:
1. OOPs Theory
2. Defining a Class
3. Creating an Object
4. The $this Attribute
5. Creating Constructors
6. Creating Destructors
These are the slides I was using in the PHP JumpStart lecture, that took place in HIT on October 9th, 2013. You can watch my lecture at http://youtu.be/h1bwU6VBVug.
More information about the Java course I deliver can be found at java.course.lifemichael.com
More information about the PHP course I deliver can be found at php.course.lifemichael.com
More information about the FED course I deliver can be found at fed.course.lifemichael.com
More information about the Scala course I deliver can be found at scala.course.lifemichael.com
More information about the Android course I deliver can be found at android.course.lifemichael.com
More information about the Kotlin course I deliver can be found at kotlin.course.lifemichael.com
More information about the Swift course I deliver can be found at swift.course.lifemichael.com
More information about the C++ course I deliver can be found at cpp.course.lifemichael.com
More information about the Go course I deliver can be found at go.course.lifemichael.com
More information about the CSS course I deliver can be found at css.course.lifemichael.com
More information about the C# course I deliver can be found at csharp.course.lifemichael.com
More information about the Python course I deliver can be found at python.course.lifemichael.com
More information about the Angular course I deliver can be found at angular.course.lifemichael.com
More information about the Node.js course I deliver can be found at nodejs.course.lifemichael.com
More information about the Fullstack Development course I deliver can be found at fullstack.course.lifemichael.com
A beginner level presentation made for c0c0n 2013 to talk about some basic modules of python which can be used in routine penetration testing exercises.
Profiling PHP - AmsterdamPHP Meetup - 2014-11-20Dennis de Greef
Your application needs to be fast nowadays in order to stand out from the crowd. Study has shown that application performance has a psychological effect on customer satisfaction. Profiling can give you more insight in how your application really works internally. It gives you an overview of where the resource bottlenecks in your application reside. In this talk, I am going to give an overview of some profiling methods that exist today, and where I think we should be heading. After this talk, you will be able to use some basic profiling tricks to analyse the performance constraints in your application.
http://www.meetup.com/AmsterdamPHP/events/168161882/
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GTU MCA PHP Interview Questions And Answers for freshersTOPS Technologies
MCA GTU Student can refer PHP Interview Questions and Answers, This Php Q & A will helpful for Live GTU Projects as well as for Interview.. Visit us at TOPS Technologies http://www.tops-int.com
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What is OOP?:
Object Oriented Programming-
Basically means Programming driven by Object
Object Oriented
Programming
Procedural Programming
Programming Languages
Code controlling data
(Code is important)
Data is to Access code
(Data is important)
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Object Oriented Programming:
Class: Programmer defined datatype include function & variables.
Object: Individual instances , used to access variable & method.
Functions: Set of code (specific tasks).
Variables: Data
Inheritance
Class in class(parent & child class)
Polymorphism
Overloading
Abstraction
Encapsulation
Constructor
Destructor
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Why do we use OOP in PHP:
We can use PHP both as procedural and Object oriented language.
Now, question is why we use OOP concept in PHP?:
Reasons:
Flexibility
Reduce source code by more than 99.9%.
Much easier in implementing security.
Makes coding more organized.
Help to work in team easily.
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Flexibility:
Easily extend our PHP code whenever we require.
Member variables & functions are easily accessible from any where in the code.
Example:
in abc.php:
class sample
{
public $var;
function sample-f()
{
some code………
}
}
in abc1.php:
<?php include abc.php
$obj=new sample();
$obj->var=738
$obj->sample-f();?>
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Reduce Source Code by more than 99.9%:
When we create big project which require lots of files, it reduces our lots of work.
In procedural PHP when we require same variable in more than one file, we copy
paste that variable or function .
But in case of OOP PHP we just put code in class , by object we can call them.
Example: in abc.php
class s1
{
public $var;
function f1()
{
//code}
}
*in abc1.php *in abc2.php
<?php include ‘abc.php’; <?php include ‘abc.php’;
$obj=new s1();
$obj->var=“hello”;?> $obj=new s1();
$obj->var=“hi”; ?>
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Much easier in implementing security:
Security is most vital requirement in web development.
OOPs provide security by using object, all data transferred in terms of objects.
Example:
In abc.php in abc1.php
Class a <?php
{$var; include ‘abc.php’;
public Function f1($val) $obj=new a();
{If($val==NULL) $obj->f1(“sss”);
{ echo $obj->val;
This->val=“hello1”; //$obj->f2(“123”);
}} //echo $obj->val;
Public Function f2($val) ?>
{if($val==123)
This->val=“hello2”;
}}
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How do we use OOP in PHP?:
Step 1: Create two or more PHP files:(assuming two)
Index.php
Class.php
Step 2: Put all OOP code in class.php;
Class a()
{
$var;
Function f($val)
{
this->var=$val;
}
}
Step 3:create object and access OOP functions/variables from another file.
<?php
Include class.php;
$obj=new a();
$obj->var=“hi”;
$obj->f(“hello”);
?>
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Model:
A model is an object representing data or even activity.
The model manages the behavior and data of the application domain.
The model is the piece that represents the state.
View:
A view is some form of visualisation of the state of the model.
The view is responsible for mapping graphics onto a device.
Controllers:
A controller offers facilities to change the state of the model.
A controller is the means by which the user interacts with the application.