';
$meta = (array) $meta;
foreach ( $field['options'] as $value => $image )
{
$html[] = sprintf(
$tpl,
$image,
$field['multiple'] ? 'checkbox' : 'radio',
$field['field_name'],
$value,
checked( in_array( $value, $meta ), true, false )
);
}
return implode( ' ', $html );
}
/**
* Normalize parameters for field
*
* @param array $field
* @return array
*/
static function normalize( $field )
{
$field = parent::normalize( $field );
$field['field_name'] .= $field['multiple'] ? '[]' : '';
return $field;
}
/**
* Output the field value
* Display unordered list of images with option for size and link to full size
*
* @param array $field Field parameters
* @param array $args Additional arguments. Not used for these fields.
* @param int|null $post_id Post ID. null for current post. Optional.
* @return mixed Field value
*/
static function the_value( $field, $args = array(), $post_id = null )
{
$value = self::get_value( $field, $args, $post_id );
if ( ! $value )
return '';
if ( $field['clone'] )
{
$output = '';
if ( $field['multiple'] )
{
foreach ( $value as $subvalue )
{
$output .= '';
foreach ( $subvalue as $option )
{
$output .= sprintf( '
';
}
else
{
if ( $field['multiple'] )
{
$output = '';
foreach ( $value as $subvalue )
{
$output .= sprintf( '
';
}
else
{
$output = sprintf( '', esc_url( $field['options'][$value] ) );
}
}
return $output;
}
}