워드프레스 플러그인 개발 입문- 워드프레스 미트업 서울 2015 -

강동혁

k@danbilabs.com2015-02-28

WordPress Core+

Theme+

Plugins

Hooks!

Hollywood Principle

Don’t call us,we’ll call you.

지나가는 행인 역할도 좋으니

자리가 나면 연락주세요.

Hooking=

특정 상황에 호출될함수를 정의

Filters & Actions

apply_filters( 'the_title' )

apply_filters( 'the_author' )

apply_filters( 'the_content' )

do_action( 'comment_form_before' )

do_action( 'twentyfourteen_credits' )

apply_filters( 'update_footer' )

Plugin Packaging

/unique-plugin-name

– unique-plugin-name.php

– uninstall.php

– /js

– /css

– /includes

– /images

Plugin Header

<?php/**

* Plugin Name: My First Plugin

* Plugin URI: http://www.mysite.com/my-first-plugin/

* Description: This is my first wordpress plugin.

* Version: 1.0.0

* Author: WordPress Meetup

* Author URI: http://www.mysite.com

* Text Domain: my-first-plugin

* Domain Path: /languages/

*/

다국어 지원

Hello Dolly

function hello_dolly_get_lyric() {

return "Some Text";

}

function hello_dolly() {

$chosen = hello_dolly_get_lyric();

echo "<p id='dolly'>$chosen</p>";

}

add_action( 'admin_notices', 'hello_dolly' );

Hello Dolly

function hello_dolly_get_lyric() {

return "Some Text";

}

function hello_dolly() {

$chosen = hello_dolly_get_lyric();

echo "<p id='dolly'>WordPress Meetup Seoul 2015</p>";

}

add_action( 'admin_notices', 'hello_dolly' );

Add Filter

function hello_dolly() {

$chosen = hello_dolly_get_lyric();

echo "<p id='dolly'>" .

apply_filters(‘dolly_lyric’, $chosen) .

"</p>";

}

function dolly_lyric_uppercase($chosen) {

return strtoupper($chosen);

}

add_filter('dolly_lyric', 'dolly_lyric_uppercase');

Add Shortcode

function meetup_func( $atts ) {

return "<h1>안녕하세요? 워드프레스 미트업 서울 2015에 오신 것을 환영합니다.</h1>";

}

add_shortcode( 'meetup', 'meetup_func' );

Advanced Plugins

● Activating and Deactivating Functions

● Internalization

● Nonces (Security)

● Saving and Retrieving Plugin Options

● Options Page

● Menu and Submenus

● Meta Box

● Widgets

● Custom Tables

감사합니다.

k@danbilabs.com