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function is not described

rest_validate_null_value_from_schema() WP 5.7.0

Validates a null value based on a schema.

No Hooks.

Return

true|WP_Error. Nothing.

Usage

rest_validate_null_value_from_schema( $value, $param );
$value(mixed) (required)
The value to validate.
$param(string) (required)
The parameter name, used in error messages.

Changelog

Since 5.7.0 Introduced.

Code of rest_validate_null_value_from_schema() WP 5.7.2

<?php
function rest_validate_null_value_from_schema( $value, $param ) {
	if ( null !== $value ) {
		return new WP_Error(
			'rest_invalid_type',
			/* translators: 1: Parameter, 2: Type name. */
			sprintf( __( '%1$s is not of type %2$s.' ), $param, 'null' ),
			array( 'param' => $param )
		);
	}

	return true;
}