Handles an Image upload for the background image.
Source
public function handle_upload() {
if ( empty( $_FILES ) ) {
return;
}
check_admin_referer( 'custom-background-upload', '_wpnonce-custom-background-upload' );
$overrides = array( 'test_form' => false );
$uploaded_file = $_FILES['import'];
$wp_filetype = wp_check_filetype_and_ext( $uploaded_file['tmp_name'], $uploaded_file['name'] );
if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) {
wp_die( __( 'The uploaded file is not a valid image. Please try again.' ) );
}
$file = wp_handle_upload( $uploaded_file, $overrides );
if ( isset( $file['error'] ) ) {
wp_die( $file['error'] );
}
$url = $file['url'];
$type = $file['type'];
$file = $file['file'];
$filename = wp_basename( $file );
// Construct the attachment array.
$attachment = array(
'post_title' => $filename,
'post_content' => $url,
'post_mime_type' => $type,
'guid' => $url,
'context' => 'custom-background',
);
// Save the data.
$id = wp_insert_attachment( $attachment, $file );
// Add the metadata.
wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
update_post_meta( $id, '_wp_attachment_is_custom_background', get_option( 'stylesheet' ) );
set_theme_mod( 'background_image', sanitize_url( $url ) );
$thumbnail = wp_get_attachment_image_src( $id, 'thumbnail' );
set_theme_mod( 'background_image_thumb', sanitize_url( $thumbnail[0] ) );
/** This filter is documented in wp-admin/includes/class-custom-image-header.php */
$file = apply_filters( 'wp_create_file_in_uploads', $file, $id ); // For replication.
$this->updated = true;
}
Hooks
- apply_filters( ‘wp_create_file_in_uploads’,
string $file ,int $attachment_id ) Filters the attachment file path after the custom header or background image is set.
Changelog
Version | Description |
---|---|
3.0.0 | Introduced. |
User Contributed Notes
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