attachment_id3_data_meta_box()
概述
attachment_id3_data_meta_box() 是一个 WordPress 函数,用于在附件编辑页面显示 ID3 数据的字段。它通过获取附件元数据并循环处理 ID3 键来生成输入框。
关键要点
- 函数接受一个必需的参数 $post,类型为 WP_Post,表示当前附件对象。
- 使用 wp_get_attachment_metadata() 获取附件的元数据。
- 通过 wp_get_attachment_id3_keys() 获取 ID3 键和标签,用于生成表单字段。
- 输出 HTML 输入框,每个字段对应一个 ID3 键,值从元数据中提取。
- 相关函数包括 wp_get_attachment_id3_keys()、wp_get_attachment_metadata() 和 esc_attr()。
- 该函数自 WordPress 3.9.0 版本引入。
Displays fields for ID3 data.
Parameters
$postWP_Postrequired-
Current post object.
Source
function attachment_id3_data_meta_box( $post ) {
$meta = array();
if ( ! empty( $post->ID ) ) {
$meta = wp_get_attachment_metadata( $post->ID );
}
foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) :
$value = '';
if ( ! empty( $meta[ $key ] ) ) {
$value = $meta[ $key ];
}
?>
<p>
<label for="title"></label><br />
<input type="text" name="id3_<?php echo esc_attr( $key ); ?>" id="id3_<?php echo esc_attr( $key ); ?>" class="large-text" value="<?php echo esc_attr( $value ); ?>" />
</p>
</pre><p class="wporg-dot-link-list"><a href="https://developer.wordpress.org/reference/files/wp-admin/includes/meta-boxes.php/">View all references</a> <a href="https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-admin/includes/meta-boxes.php#L1497">View on Trac</a> <a href="https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/meta-boxes.php#L1497-L1515">View on GitHub</a></p></section>
<section class="wp-block-wporg-code-reference-related" data-nosnippet="true"><h2 id="related" class="is-toc-heading wp-block-heading has-heading-5-font-size" tabindex="-1" ><a href="#related">Related</a></h2> <section style="margin-top:var(--wp--preset--spacing--20)" class="wp-block-wporg-code-table" id="uses"><figure class="wp-block-table "><table><thead><tr><th scope="col">Uses</th><th scope="col">Description</th></tr></thead><tbody><tr class=""><td><a href="https://developer.wordpress.org/reference/functions/wp_get_attachment_id3_keys/">wp_get_attachment_id3_keys()</a><code>wp-includes/media.php
Returns useful keys to use to lookup data from an attachment’s stored metadata.
wp_get_attachment_metadata()wp-includes/post.php
Retrieves attachment metadata for attachment ID.
esc_attr()wp-includes/formatting.php
Escaping for HTML attributes.
Changelog
| Version | Description |
|---|---|
| 3.9.0 | Introduced. |