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WordPress plugin: Post from photo
<?php
/*
Plugin Name: Post from photo
*/
if (!isset($_SESSION)) {
session_start();
}
require_once(ABSPATH . 'wp-load.php');
require_once(dirname( __FILE__ ) . '/class-wp_post_helper.php'); // https://github.com/wokamoto/wp_post_helper
add_action('admin_menu', 'post_from_photo_plugin_menu');
function post_from_photo_plugin_menu() {
add_menu_page('Post from photo', 'Post from photo', 'administrator', __FILE__, 'post_from_photo_plugin_main');
}
function post_from_photo_plugin_main() {
if (isset($_POST["token"]) &&
isset($_SESSION['post_from_photo_plugin_token']) &&
$_POST["token"] === $_SESSION['post_from_photo_plugin_token']) {
if ($image_name = post_from_photo_insert_post()) {
$msg = "<p>Posted: $image_name</p>";
}
}
$token = uniqid();
$_SESSION['post_from_photo_plugin_token'] = $token;
echo <<< EOM
<h2>Post from photo</h2>
$msg
<div>
<form name="pfp_form" method="post" action="" method="post" enctype="multipart/form-data">
<input type="hidden" value="$token" name="token" />
<input name="file" type="file" />
<input type="submit" value="Post" />
</form>
</div>
EOM;
}
function post_from_photo_insert_post() {
//
// 写真アップロード
//
$upload_dir = wp_upload_dir();
$file_dir = trailingslashit($upload_dir['path']);
// make directory
if (!file_exists($file_dir)) {
$dirs = explode('/', $file_dir);
$subdir = '/';
foreach ($dirs as $dir) {
if (!empty($dir)) {
$subdir .= $dir . '/';
if (!file_exists($subdir)) {
mkdir($subdir);
}
}
}
}
$image_name = $_FILES["file"]["name"];
$image_file = $file_dir . $_FILES["file"]["name"];
if (!move_uploaded_file($_FILES['file']['tmp_name'], $image_file)) {
return false;
}
//
// 投稿
//
$post = new wp_post_helper(array(
'post_name' => $image_name,
'post_type' => 'post',
'post_status' => 'publish',
'post_title' => $image_name,
'post_content' => '',
));
if (!$post->insert()) {
return false;
}
// メディア追加
$attach_id = $post->add_media(
$image_file, // メディアファイルの絶対パス
$image_name, // メディアの「タイトル」
'', // メディアの「説明」
'', // メディアの「キャプション」
false // true (アイキャッチ画像にする) or false (アイキャッチ画像にしない)
);
//
// 写真を挿入と投稿日時の変更
//
$a = wp_generate_attachment_metadata($attach_id, $image_file);
// リンク先画像 URL
$image_url = $upload_dir['url'] . '/' . basename($a['file']);
// 表示画像 URL
if (array_key_exists('large', $a['sizes'])) {
$thumb_url = $upload_dir['url'] . '/' . $a['sizes']['large']['file'];
} else if (array_key_exists('medium', $a['sizes'])) {
$thumb_url = $upload_dir['url'] . '/' . $a['sizes']['medium']['file'];
}
// 本文
$content = '<a href="' . $image_url . '"><img src="' . $thumb_url . '" class="alignnone size-large wp-image-' . $attach_id . '" /></a>';
// 更新
// MEMO: draft に対して post_date の変更は無効
$post->set(array(
'post_date' => date("Y-m-d H:i:s", $a['image_meta']['created_timestamp']), // 投稿日時を撮影日時へ変更
'post_content' => $content,
));
if ($postid = $post->update()) {
// 投稿フォーマット変更
set_post_format($postid, 'image');
}
unset($post);
return $image_name;
}
?>
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