5 views 
Summery Summery
Choose a header image, selected from existing uploaded and default headers, or provide an array of uploaded header data (either new, or from media library).
Syntax Syntax
Parameters Parameters
- $choice
-
(Required) Which header image to select. Allows for values of 'random-default-image', for randomly cycling among the default images; 'random-uploaded-image', for randomly cycling among the uploaded images; the key of a default image registered for that theme; and the key of an image uploaded for that theme (the attachment ID of the image). Or an array of arguments: attachment_id, url, width, height. All are required.
Source Source
File: wp-admin/includes/class-custom-image-header.php
final public function set_header_image( $choice ) {
if ( is_array( $choice ) || is_object( $choice ) ) {
$choice = (array) $choice;
if ( ! isset( $choice['attachment_id'] ) || ! isset( $choice['url'] ) ) {
return;
}
$choice['url'] = esc_url_raw( $choice['url'] );
$header_image_data = (object) array(
'attachment_id' => $choice['attachment_id'],
'url' => $choice['url'],
'thumbnail_url' => $choice['url'],
'height' => $choice['height'],
'width' => $choice['width'],
);
update_post_meta( $choice['attachment_id'], '_wp_attachment_is_custom_header', get_stylesheet() );
set_theme_mod( 'header_image', $choice['url'] );
set_theme_mod( 'header_image_data', $header_image_data );
return;
}
if ( in_array( $choice, array( 'remove-header', 'random-default-image', 'random-uploaded-image' ), true ) ) {
set_theme_mod( 'header_image', $choice );
remove_theme_mod( 'header_image_data' );
return;
}
$uploaded = get_uploaded_header_images();
if ( $uploaded && isset( $uploaded[ $choice ] ) ) {
$header_image_data = $uploaded[ $choice ];
} else {
$this->process_default_headers();
if ( isset( $this->default_headers[ $choice ] ) ) {
$header_image_data = $this->default_headers[ $choice ];
} else {
return;
}
}
set_theme_mod( 'header_image', esc_url_raw( $header_image_data['url'] ) );
set_theme_mod( 'header_image_data', $header_image_data );
}
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Changelog Changelog
| Version | Description |
|---|---|
| 3.4.0 | Introduced. |