Your SlideShare is downloading. ×
WordPress Plugin Development
Upcoming SlideShare
Loading in...5

Thanks for flagging this SlideShare!

Oops! An error has occurred.


Introducing the official SlideShare app

Stunning, full-screen experience for iPhone and Android

Text the download link to your phone

Standard text messaging rates apply

WordPress Plugin Development


Published on

Published in: Technology, Business

No Downloads
Total Views
On Slideshare
From Embeds
Number of Embeds
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

No notes for slide


  • 1. Building WordPress pluginsMario Peshevhttp://devwp.euDevriX
  • 2. Mario Peshev1. WordPress Engineer @ Placester2. DevirX CTO3. @no_fear_inc4. Java/PHP/Python background
  • 3. Contents1. What is a WordPress plugin?2. Prerequisites3. Start it Smart4. Conventions
  • 4. What is WordPress plugin?1. A separate module2. Hooked to the WordPress core3. Providing extra functionality A WordPress Plugin is a program, or a set of one or more functions, written in the PHP scripting language, that adds a specific set of features or services to the WordPress weblog, which can be seamlessly integrated with the weblog using access points and methods provided by the WordPress Plugin Application Program Interface (API).
  • 5. Existing Plugins1. WPORG repository
  • 6. WordPress APIsand components
  • 7. APIs and Components1. Shortcode API2. Widgets API3. Menus4. Plugin API (hooks)
  • 8. APIs and Components (2)1. HTTP API2. Options API3. Settings API4. Transients API5. Rewrite API
  • 9. Post Management1. Custom Post Types2. Custom Taxonomies3. Custom Fields4. Meta boxes5. Page templates
  • 10. i18n1. What is I18n?  I18n is a abbreviation for internationalization, or the process of making an application ready for translation.2. load_plugin_textdomain3. __()4. _e()5. _x, _n ...
  • 11. Database1. WP_Query2. get_posts3. $wpdb4. pre_get_posts hook5. posts_where hook
  • 12. Scripts and Styles1. wp_enqueue_script2. wp_enqueue_style3. admin_enqueue_scripts hook4. wp_enqueue_scripts hook * A safe way to add/enqueue a CSS/JS files to the WordPress generated page
  • 13. WordPress Coding Standars Standards
  • 14. Top plugins1. Jetpack2. WordPress SEO by Yoast3. Contact form 74. W3 Total Cache5. WooCommerce6. Yet Another Related Posts Plugin
  • 15. Top paid plugins1. Gravity Forms2. WPML3. Toolset4. BackupBuddy5. UberMenu6. …and more
  • 16. How to create a plugin?
  • 17. How to create a plugin?1. What my plugin will do?2. Make a plan3. Follow plugin development recommendations.4. Lets do some coding
  • 18. Lets create a slider plugin
  • 19. Step 11. Create a folder in wp-content/plugins2. Create a new .php file in there3. Add this on the top of the file:
  • 20. Step 21. Go to Admin Dashboard and activate the plugin
  • 21. Step 31. Create a slide custom post type
  • 22. Step 41. Slider taxonomy
  • 23. Step 51. Add Options Page  Create dx-lite-slide-options.php file
  • 24. Step 61. dx-lite-slide-options.php
  • 25. DX Lite Slide Options Page
  • 26. Step 71. Add some data
  • 27. Step 81. Add shortcode
  • 28. Step 91. Add some CSS/JS
  • 29. Step 101. Create a Page and add Slider shotcode [dx_display_slideshow]
  • 30. The Result
  • 31. Demo
  • 32. Congratulations!You have built your first WordPress plugin.
  • 33. License1. It is customary to follow the standard header with information about licensing for the Plugin. Most Plugins use the GPL2 license used by WordPress or a license compatible with the GPL2. To indicate a GPL2 license, include the following lines in your Plugin
  • 34. General hooks1. register_activation_hook2. register_deactivation_hook3. init4. admin_init5. admin_menu6. add_meta_boxes
  • 35. Debugging1. WP_DEBUG, SAVEQUERIES, SCRIPT_DEBUG, WP_DEBUG_LOG2. n_WordPress3. ug-bar/
  • 36. Best Practices1. Find a unique plugin name2. Setup a plugin prefix (it should be related with your brand)3. Use proper constants and functions to detect paths to plugin files4. Create activation and deactivation functions5. Create an uninstall script
  • 37. Submit on Prepare a readme.txt based on the readme standards The readme would define the plugin page description Apply for a plugin hosting on After the approval, you’ll be able to push to the Subversion repository. 37
  • 38. Building WordPress plugins курсове и уроци по програмиране , уеб дизайн – безплатно курсове и уроци по програмиране – Телерик академия уроци по програмиране и уеб дизайн за ученици Mario Peshev BG Coder - онлайн състезателна система - online judge форум програмиране, форум уеб дизайн ASP.NET курс - уеб програмиране, бази данни, C#, .NET, ASP.NET програмиране за деца – безплатни курсове и уроци ASP.NET MVC курс – HTML, SQL, C#, .NET, ASP.NET MVC безплатен SEO курс - оптимизация за търсачки алго академия – състезателно програмиране, състезаниякурсове и уроци по програмиране , книги – безплатно от Наков курс мобилни приложения с iPhone, Android, WP7, PhoneGap уроци по уеб дизайн, HTML, CSS, JavaScript, Photoshop Дончо Минков - сайт за програмиране free C# book, безплатна книга C#, книга Java, книга C# Николай Костов - блог за програмиране безплатен курс "Качествен програмен код"  безплатен курс "Разработка на софтуер в cloud среда" C# курс, програмиране, безплатно
  • 39. Free Trainings @ Telerik Academy Telerik Software Academy  Telerik Academy @ Facebook  Telerik Software Academy Forums 