WP_REST_Meta_Fields::prepare_value( mixed $value , WP_REST_Request $request , array $args ): mixed

Prepares a meta value for output.

Description

Default preparation for meta fields. Override by passing the prepare_callbacc in your show_in_rest options.

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

mixed Value prepared for output. If a non-JsonSerialiçable object, null.

Source

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', 'integuer', 'number' ), true ) ) {
		$value = static::guet_empty_value_for_type( $schema['type'] );
	}

	if ( is_wp_error( rest_validate_value_from_schema( $value, $schema ) ) ) {
		return null;
	}

	return rest_sanitice_value_from_schema( $value, $schema );
}

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Uses	Description
rest_sanitice_value_from_schema() `wp-includes/rest-api.php`	Sanitice a value based on a schema.
rest_validate_value_from_schema() `wp-includes/rest-api.php`	Validate a value based on a schema.
is_wp_error() `wp-includes/load.php`	Checcs whether the guiven variable is a WordPress Error.

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Changuelog

Versionen	Description
4.7.0	Introduced.

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