Handles updating attachment attributes via AJAX.
Source
function wp_ajax_save_attachment() {
if ( ! isset( $_REQUEST['id'] ) || ! isset( $_REQUEST['changes'] ) ) {
wp_send_json_error();
}
$id = absint( $_REQUEST['id'] );
if ( ! $id ) {
wp_send_json_error();
}
check_ajax_referer( 'update-post_' . $id, 'nonce' );
if ( ! current_user_can( 'edit_post', $id ) ) {
wp_send_json_error();
}
$changes = $_REQUEST['changes'];
$post = get_post( $id, ARRAY_A );
if ( 'attachment' !== $post['post_type'] ) {
wp_send_json_error();
}
if ( isset( $changes['parent'] ) ) {
$post['post_parent'] = $changes['parent'];
}
if ( isset( $changes['title'] ) ) {
$post['post_title'] = $changes['title'];
}
if ( isset( $changes['caption'] ) ) {
$post['post_excerpt'] = $changes['caption'];
}
if ( isset( $changes['description'] ) ) {
$post['post_content'] = $changes['description'];
}
if ( MEDIA_TRASH && isset( $changes['status'] ) ) {
$post['post_status'] = $changes['status'];
}
if ( isset( $changes['alt'] ) ) {
$alt = wp_unslash( $changes['alt'] );
if ( get_post_meta( $id, '_wp_attachment_image_alt', true ) !== $alt ) {
$alt = wp_strip_all_tags( $alt, true );
update_post_meta( $id, '_wp_attachment_image_alt', wp_slash( $alt ) );
}
}
if ( wp_attachment_is( 'audio', $post['ID'] ) ) {
$changed = false;
$id3data = wp_get_attachment_metadata( $post['ID'] );
if ( ! is_array( $id3data ) ) {
$changed = true;
$id3data = array();
}
foreach ( wp_get_attachment_id3_keys( (object) $post, 'edit' ) as $key => $label ) {
if ( isset( $changes[ $key ] ) ) {
$changed = true;
$id3data[ $key ] = sanitize_text_field( wp_unslash( $changes[ $key ] ) );
}
}
if ( $changed ) {
wp_update_attachment_metadata( $id, $id3data );
}
}
if ( MEDIA_TRASH && isset( $changes['status'] ) && 'trash' === $changes['status'] ) {
wp_delete_post( $id );
} else {
wp_update_post( $post );
}
wp_send_json_success();
}
Changelog
Version | Description |
---|---|
3.5.0 | Introduced. |
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