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Learning OOP in PHP

A collection of resources to learn object-oriented programming and related concepts for PHP developers. Original Please see CONTRIBUTING for details and contribute. ;)

• Tutorials
  • OOP Fundamentals
  • OOP Advanced
  • Object Oriented Design
  • Design Patterns
• Refactoring

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<?php

function file_get_mime($filename) {
	$extension = pathinfo($filename, PATHINFO_EXTENSION);

	$mimes = array(
		'audio/mp4' => 'm4a|f4a|f4b',
		'audio/ogg' => 'oga|ogg',
		'audio/&' => 'mid|midi|mp3|wav',
		'application/javascript' => 'js|jsonp',

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<?php

require dirname(__FILE__).'/wp-blog-header.php';

$wpdb->query("DELETE FROM wp_terms WHERE term_id IN (SELECT term_id FROM wp_term_taxonomy WHERE taxonomy LIKE 'pa_%')");
$wpdb->query("DELETE FROM wp_term_taxonomy WHERE taxonomy LIKE 'pa_%'");
$wpdb->query("DELETE FROM wp_term_relationships WHERE term_taxonomy_id not IN (SELECT term_taxonomy_id FROM wp_term_taxonomy)");
$wpdb->query("DELETE FROM wp_term_relationships WHERE object_id IN (SELECT ID FROM wp_posts WHERE post_type IN ('product','product_variation'))");
$wpdb->query("DELETE FROM wp_postmeta WHERE post_id IN (SELECT ID FROM wp_posts WHERE post_type IN ('product','product_variation'))");
$wpdb->query("DELETE FROM wp_posts WHERE post_type IN ('product','product_variation')");

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1 Classes

In this lesson, we're going to learn about classes, how they're defined, how they're instantiated, and how those instances are used.

We'll be covering the following in this lesson:

1. Classes
   1. Class Definitions
   2. Object Instantiation
2. The new keyword

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<?php

/*

1.- Create an App.

2.- Go to: https://developers.facebook.com/tools/explorer/

  + Select your new created app on the right top.
  + Select "Get App Token"

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Tasks

To install the task-runner, run:

$ npm install -g gulp

To install local dependencies, run:

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/***********************************************************************************************************************
***********************************************************************************************************************
* CONTENTS: 
* Native Object
* Object Literal
* Basic Object
* Psuedo-Class
* Self Executing/Invoking Structure
* Lazy Function
* Module Pattern

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<?php
function get_google_spreadsheet($key) {
	$url = "https://spreadsheets.google.com/feeds/list/{$key}/od6/public/values";
	$google_sheet = file_get_contents($url);
	$xml = simplexml_load_string($google_sheet);

	$data = array();
	foreach($xml->entry as $entry) {
		$row = array();
		// The fields are in the gsx: namespace, so we need to specify that to be able to access them through SimpleXML.

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<?php

// Parsing this spreadsheet: https://spreadsheets.google.com/pub?key=0Ah0xU81penP1dFNLWk5YMW41dkcwa1JNQXk3YUJoOXc&hl=en&output=html
$url = 'http://spreadsheets.google.com/feeds/list/0Ah0xU81penP1dFNLWk5YMW41dkcwa1JNQXk3YUJoOXc/od6/public/values?alt=json';
$file= file_get_contents($url);

$json = json_decode($file);
$rows = $json->{'feed'}->{'entry'};
foreach($rows as $row) {
  echo '<p>';

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/**
 * mm_register function.
 * Register a new user.
 * @access public
 * @return User errors or user is logged in.
 */
function mm_register() {

	if(!is_user_logged_in()) {
		if(!empty($_POST)) {