このコードを作成しました。ワードプレスのメタボックス機能を使用して、投稿の追加データを DB に保存することになっています。
//Price list meta boxes
add_action( 'add_meta_boxes', 'cd_meta_box_add' );
function cd_meta_box_add() {add_meta_box( 'price-list-id', 'Price List', 'cd_meta_box_cb', 'post', 'normal', 'high' );}
function cd_meta_box_cb()
{
// $post is already set, and contains an object: the WordPress post
global $post;
$values = get_post_custom( $post->ID );
//
$plheading = isset( $values['price_list_heading'] ) ? esc_attr( $values['price_list_heading'][0] ) : '';
$plcategory1 = isset( $values['price_list_category1'] ) ? esc_attr( $values['price_list_category1'][0] ) : '';
$plcategoryitems1 = isset( $values['price_list_items_category1'] ) ? esc_attr( $values['price_list_items_category1'][0] ) : '';
$plcategory2 = isset( $values['price_list_category2'] ) ? esc_attr( $values['price_list_category2'][0] ) : '';
$plcategoryitems2 = isset( $values['price_list_items_category2'] ) ? esc_attr( $values['price_list_items_category2'][0] ) : '';
$plcategory3 = isset( $values['price_list_category3'] ) ? esc_attr( $values['price_list_category3'][0] ) : '';
$plcategoryitems3 = isset( $values['price_list_items_category3'] ) ? esc_attr( $values['price_list_items_category3'][0] ) : '';
// We'll use this nonce field later on when saving.
wp_nonce_field( 'my_meta_box_nonce', 'meta_box_nonce' );
?>
<p>
<label for="price_list_heading">Price list heading:</label>
<input type="text" name="price_list_heading" id="price_list_heading" value="<?php echo $plheading; ?>" />
</p>
<p>
<label for="price_list_category1">Category1 Title:</label>
<input type="text" name="price_list_category1" id="price_list_category1" value="<?php echo $plcategory1; ?>" />
<textarea style="width: 100%;" rows="3" name="price_list_items_category1" id="price_list_items_category1"><?php echo $plcategoryitems1; ?></textarea>
<span style="display: block; font-weight: bold; text-align: right;">Example: Rhine Riesling1|0,75 l|9,50 €</span>
</p>
<p>
<label for="price_list_category2">Category2 Title:</label>
<input type="text" name="price_list_category2" id="price_list_category2" value="<?php echo $plcategory2; ?>" />
<textarea style="width: 100%;" rows="3" name="price_list_items_category2" id="price_list_items_category2"><?php echo $plcategoryitems2; ?></textarea>
<span style="display: block; font-weight: bold; text-align: right;">Example: Rhine Riesling1|0,75 l|9,50 €</span>
</p>
<p>
<label for="price_list_category3">Category3 Title:</label>
<input type="text" name="price_list_category3" id="price_list_category3" value="<?php echo $plcategory3; ?>" />
<textarea style="width: 100%;" rows="3" name="price_list_items_category3" id="price_list_items_category3"><?php echo $plcategoryitems3; ?></textarea>
<span style="display: block; font-weight: bold; text-align: right;">Example: Rhine Riesling1|0,75 l|9,50 €</span>
</p>
<?php
}
//Saving price list
add_action( 'save_post', 'cd_meta_box_save' );
function cd_meta_box_save( $post_id )
{
// Bail if we're doing an auto save
if( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return;
// if our nonce isn't there, or we can't verify it, bail
if( !isset( $_POST['meta_box_nonce'] ) || !wp_verify_nonce( $_POST['meta_box_nonce'], 'my_meta_box_nonce' ) ) return;
// if our current user can't edit this post, bail
if( !current_user_can( 'edit_post' ) ) return;
// Make sure your data is set before trying to save it
if( isset( $_POST['price_list_heading'] ) )
update_post_meta( $post_id, 'price_list_heading', esc_attr( $_POST['price_list_heading'] ) );
//
if( isset( $_POST['price_list_category1'] ) )
update_post_meta( $post_id, 'price_list_category1', esc_attr( $_POST['price_list_category1'] ) );
if( isset( $_POST['price_list_items_category1'] ) )
update_post_meta( $post_id, 'price_list_items_category1', esc_attr( $_POST['price_list_items_category1'] ) );
//
if( isset( $_POST['price_list_category2'] ) )
update_post_meta( $post_id, 'price_list_category2', esc_attr( $_POST['price_list_category2'] ) );
if( isset( $_POST['price_list_items_category2'] ) )
update_post_meta( $post_id, 'price_list_items_category2', esc_attr( $_POST['price_list_items_category2'] ) );
//
if( isset( $_POST['price_list_category3'] ) )
update_post_meta( $post_id, 'price_list_category3', esc_attr( $_POST['price_list_category3'] ) );
if( isset( $_POST['price_list_items_category3'] ) )
update_post_meta( $post_id, 'price_list_items_category3', esc_attr( $_POST['price_list_items_category3'] ) );
}
テキストボックスに書いたものとDBの入力を保存する代わりに、すべてのフィールドで「配列」を見つけました! 何が起こっている?私は何を取りこぼしたか?