'...'] or ['0' => '...']
if ( isset( $raw_value['url'] ) && is_string( $raw_value['url'] ) ) {
$value = $raw_value['url'];
} else {
// take the first scalar string in the array, or empty string
$first = reset( $raw_value );
$value = is_string( $first ) ? $first : '';
}
} elseif ( is_object( $raw_value ) ) {
// very defensive: some code might pass an object with ->url
$value = isset( $raw_value->url ) && is_string( $raw_value->url ) ? $raw_value->url : '';
} else {
$value = (string) $raw_value;
}
$image_preview = $value !== ''
? ' . ')
'
: '![]()
';
$field_template = '
';
$field_template = apply_filters( $id_name, $field_template, $args );
printf( $field_template,
esc_html( $args['field']['label'] ), // %1$s == Label
$id_name, // %2$s == ID & Name
esc_attr( $value ), // %3$s == Value (Image URL)
$args['field']['desc'], // %4$s == Description
$image_preview // %5$s == Image Preview HTML
);
?>