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December 15, 2015 08:49
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WordPressの管理画面の投稿タイトルの下に、ポストメタの入力欄を追加する
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// タイトル下にタイトル2を追加 | |
add_action( 'edit_form_after_title', 'nskw_postMetaAfterTitle' ); | |
function nskw_postMetaAfterTitle() { | |
global $post; | |
$metaKey = 'title2'; | |
if ( empty ( $post ) || 'post' !== get_post_type( $GLOBALS['post'] ) ) { | |
return; | |
} | |
if ( ! $content = get_post_meta( $post->ID, $metaKey, TRUE ) ) { | |
$content = ''; | |
} | |
printf( | |
'<p><label for="%1$s_id">タイトル下段<input size="100" type="text" name="%1$s" id="%1$s_id" value="%2$s" /></label></p>', | |
$metaKey, | |
esc_attr( $content ) | |
); | |
} | |
// タイトル2を保存 | |
add_action( 'save_post', 'nskw_savePostMeta' ); | |
function nskw_savePostMeta( $post_id ) | |
{ | |
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { | |
return; | |
} | |
if ( ! current_user_can( 'edit_post', $post_id ) ) { | |
return; | |
} | |
$metaKey = 'title2'; | |
if ( isset ( $_POST[ $metaKey ] ) ) { | |
return update_post_meta( $post_id, $metaKey, $_POST[ $metaKey ] ); | |
} | |
delete_post_meta( $post_id, $metaKey ); | |
} |
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