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定期的(1日おきに)に、RSSを取得し、新しい記事を自動で投稿する。#WordPressプラグイン
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<?php | |
/* | |
Plugin Name: Paka3_task_post_rss | |
Plugin URI: http://www.paka3.com/wpplugin | |
Description: ※定期的(1日おきに)に、RSSを取得し、新しい記事を自動で投稿する。 | |
Author: Shoji ENDO | |
Version: 0.1 | |
Author URI:http://www.paka3.com/ | |
*/ | |
$paka3_task_post_rss = new Paka3_task_post_rss ; | |
class Paka3_task_post_rss{ | |
//インスタンス変数(設定) | |
private $t = "13:00:00" ; | |
private $title = "今日のオススメ記事" ; | |
private $url = "http://www.en3.jp/feed" ; | |
private $count = 3 ; | |
function __construct(){ | |
//プラグインを有効化したとき | |
if(function_exists('register_activation_hook')) { | |
register_activation_hook (__FILE__ , array( $this , 'paka3_plugin_start' ) ) ; | |
} | |
//プラグインをストップしたとき | |
if(function_exists('register_deactivation_hook')) { | |
register_deactivation_hook (__FILE__ , array( $this , 'paka3_plugin_stop' ) ) ; | |
} | |
add_action( 'paka3_task_post_hook', array( $this , 'paka3_task_post_function' ) ) ; | |
} | |
//プラグインを有効化したときに呼ばれる関数 | |
function paka3_plugin_start(){ | |
//時差を求める | |
$p = ( current_time( 'timestamp' ) - time( ) ) / 3600; | |
//(今日から)毎日タスクを実行する時間を設定する | |
//管理>設定されたタイムゾーンでの時間を設定する(13:00) | |
$my_time = date( 'Y-m-d '.$this->t, current_time( 'timestamp' ) ); | |
//時差を引いて、UNIX時間(UTC:秒)に合わせる | |
$task_time = strtotime( -1 * $p." hour", strtotime( $my_time ) ); | |
wp_schedule_event( $task_time, 'daily', paka3_task_post_hook ); | |
} | |
//プラグインをストップしたときに呼ばれる関数 | |
function paka3_plugin_stop(){ | |
wp_clear_scheduled_hook( 'paka3_task_post_hook' ); | |
} | |
//実行する処理 | |
function paka3_task_post_function() { | |
$url = $this->url; | |
$count = $this->count; | |
$title = $this->title; | |
$html = $this->get_my_feed( $url , $count ); | |
$newPost = array ('title' => $title, | |
'content' => $html); | |
$res = $this->new_my_post( $newPost, $catID ); | |
} | |
//新規投稿の関数 | |
function new_my_post($post, $catID ) { | |
$my_post = array( ); | |
$my_post[ 'post_title' ] = $post['title']; | |
$my_post[ 'post_content' ] = $post['content']; | |
$my_post[ 'post_status' ] = 'draft'; //下書き | |
$my_post[ 'post_author' ] = 1; | |
$my_post[ 'post_date' ] = date( 'Y-m-d H:i:s', current_time('timestamp') ); | |
$my_post[ 'post_category' ] = array( $catID ); | |
// データベースに投稿を追加 | |
$res = wp_insert_post( $my_post ); | |
if( $res != 0 ) { | |
return $res; //post_id | |
}else{ | |
return false; | |
} | |
} | |
//RSS取得の関数 | |
function get_my_feed ( $url, $count ) { | |
//ここからfeedを取得して行きます。 | |
add_filter ( 'wp_feed_cache_transient_lifetime' , array( $this , 'return_1800' ) ); | |
$feed = fetch_feed( $url ); | |
remove_filter( 'wp_feed_cache_transient_lifetime' , array( $this , 'return_1800' ) ); | |
//*表示数を設定 | |
if ( ! is_wp_error( $feed ) ) { | |
$maxitems = $feed->get_item_quantity( $count ); | |
$rss_items = $feed->get_items( 0, $maxitems ); | |
} | |
//サイト名とサイトURLの取得 | |
$title = $feed->get_title(); | |
$site_url = $feed->get_permalink(); | |
//表示数 | |
$str=""; | |
if ( $maxitems > 0){ | |
foreach ( $rss_items as $item ){ | |
$f_link = esc_url( $item->get_permalink() ); | |
$f_date = sprintf( __( '%s', 'my-text-domain' ), $item->get_date('j F Y | g:i a') ); | |
$f_title = esc_html( $item->get_title() ); | |
$f_content = mb_strimwidth(strip_tags($item->get_content()), 0, 140, "...","UTF-8"); | |
if(preg_match_all('/<img.*?src=(["\'])(.+?)\1.*?>/i',$item->get_content(),$img_array)){ | |
$site_img = $img_array[2][0]; | |
} | |
if(!preg_match('/^http(s)?:\/\/[^\/\s]+(.*)$/',$site_img,$r)){ | |
$site_img = $site_url.$site_img; | |
} | |
//itemのhtmlの生成 | |
$str .= <<<EOS | |
<div class="feed_item"> | |
<a href="{$f_link}" rel="nofollow" > | |
<div class=feed_item_img><img src = {$site_img} /></div> | |
<h4>{$f_title}</h4> | |
<p>{$f_content}</p> | |
</a></div> | |
EOS; | |
} | |
} | |
//全体の | |
$html =<<< EOS | |
<div class="feed_block"> | |
<h2><a href="{$site_url}" rel="nofollow" >{$title}</a></h2> | |
{$str} | |
</div> | |
EOS; | |
return $html ; | |
} | |
function return_1800(){ | |
return 1800; | |
} | |
} |
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