<?php
defined( 'ABSPATH' ) || die;
/**
* The advanced image upload field which uses WordPress media popup to upload and select images.
*/
class RWMB_Single_Image_Field extends RWMB_Image_Advanced_Field {
/**
* Normalize parameters for field.
*
* @param array $field Field parameters.
*
* @return array
*/
public static function normalize( $field ) {
$field['max_file_uploads'] = 1;
$field['max_status'] = false;
$field = parent::normalize( $field );
$field['attributes'] = wp_parse_args( $field['attributes'], [
'class' => '',
'data-single-image' => 1,
] );
$field['attributes']['class'] .= ' rwmb-image_advanced';
$field['multiple'] = false;
return $field;
}
/**
* Get meta values to save.
*
* @param mixed $new The submitted meta value.
* @param mixed $old The existing meta value.
* @param int $post_id The post ID.
* @param array $field The field parameters.
*
* @return array|mixed
*/
public static function value( $new, $old, $post_id, $field ) {
return $new;
}
/**
* Get the field value. Return meaningful info of the files.
*
* @param array $field Field parameters.
* @param array $args Not used for this field.
* @param int|null $post_id Post ID. null for current post. Optional.
*
* @return mixed Full info of uploaded files
*/
public static function get_value( $field, $args = [], $post_id = null ) {
$value = RWMB_Field::get_value( $field, $args, $post_id );
if ( ! is_array( $value ) ) {
return RWMB_Image_Field::file_info( $value, $args, $field );
}
$return = [];
foreach ( $value as $image_id ) {
$return[] = RWMB_Image_Field::file_info( $image_id, $args, $field );
}
return $return;
}
}