$sub_meta ) {
$sub_field = $field;
$sub_field['field_name'] = $field['field_name'] . "[{$index}]";
if ( $index > 0 ) {
if ( isset( $sub_field['address_field'] ) ) {
$sub_field['address_field'] = $field['address_field'] . "_{$index}";
}
$sub_field['id'] = $field['id'] . "_{$index}";
if ( ! empty( $sub_field['attributes']['id'] ) ) {
$sub_field['attributes']['id'] = $sub_field['attributes']['id'] . "_{$index}";
}
}
if ( in_array( $sub_field['type'], [ 'file', 'image' ], true ) ) {
$sub_field['input_name'] = '_file_' . uniqid();
$sub_field['index_name'] .= "[{$index}]";
} elseif ( $field['multiple'] ) {
$sub_field['field_name'] .= '[]';
}
// Wrap field HTML in a div with class="rwmb-clone" if needed.
$class = "rwmb-clone rwmb-{$field['type']}-clone";
$sort_icon = '';
if ( $field['sort_clone'] ) {
$class .= ' rwmb-sort-clone';
$sort_icon = "";
}
$input_html = "" . $sort_icon;
// Call separated methods for displaying each type of field.
$input_html .= RWMB_Field::call( $sub_field, 'html', $sub_meta );
$input_html = RWMB_Field::filter( 'html', $input_html, $sub_field, $sub_meta );
// Remove clone button.
$input_html .= self::remove_clone_button( $sub_field );
$input_html .= '
';
$field_html .= $input_html;
}
return $field_html;
}
/**
* Set value of meta before saving into database
*
* @param mixed $new The submitted meta value.
* @param mixed $old The existing meta value.
* @param int $object_id The object ID.
* @param array $field The field parameters.
*
* @return mixed
*/
public static function value( $new, $old, $object_id, array $field ) {
if ( ! is_array( $new ) ) {
$new = [];
}
if ( in_array( $field['type'], [ 'file', 'image' ], true ) ) {
$new = RWMB_File_Field::clone_value( $new, $old, $object_id, $field );
} else {
foreach ( $new as $key => $value ) {
$old_value = $old[ $key ] ?? null;
$value = RWMB_Field::call( $field, 'value', $value, $old_value, $object_id );
$new[ $key ] = RWMB_Field::filter( 'sanitize', $value, $field, $old_value, $object_id );
}
}
// Remove empty clones.
$new = array_filter( $new, 'RWMB_Helpers_Value::is_valid_for_field' );
// Reset indexes.
$new = array_values( $new );
return $new;
}
public static function add_clone_button( array $field ) : string {
if ( ! $field['clone'] ) {
return '';
}
$text = RWMB_Field::filter( 'add_clone_button_text', $field['add_button'], $field );
return '' . esc_html( $text ) . '';
}
public static function remove_clone_button( array $field ) : string {
$text = RWMB_Field::filter( 'remove_clone_button_text', '', $field );
return '' . $text . '';
}
}