WP_REST_Meta_Fields::prepare_value( mixed $value, WP_REST_Request $request, array $args )
Prepares a meta value for output.
Description Description
Default preparation for meta fields. Override by passing the prepare_callback in your show_in_rest options.
Parameters Parameters
- $value
-
(mixed) (Required) Meta value from the database.
- $request
-
(WP_REST_Request) (Required) Request object.
- $args
-
(array) (Required) REST-specific options for the meta key.
Return Return
(mixed) Value prepared for output. If a non-JsonSerializable object, null.
Source Source
File: wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
public static function prepare_value( $value, $request, $args ) {
if ( $args['single'] ) {
$schema = $args['schema'];
} else {
$schema = $args['schema']['items'];
}
if ( '' === $value && in_array( $schema['type'], array( 'boolean', 'integer', 'number' ), true ) ) {
$value = static::get_empty_value_for_type( $schema['type'] );
}
if ( is_wp_error( rest_validate_value_from_schema( $value, $schema ) ) ) {
return null;
}
return rest_sanitize_value_from_schema( $value, $schema );
}
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Changelog Changelog
| Version | Description |
|---|---|
| 4.7.0 | Introduced. |