# XMLReader::setRelaxNGSchemaSource

(PHP 5 >= 5.1.0, PHP 7)

XMLReader::setRelaxNGSchemaSource — Set the data containing a RelaxNG Schema

### Description

public XMLReader::setRelaxNGSchemaSource ( string `$source` ) : bool

Set the data containing a RelaxNG Schema to use for validation.

### Parameters

`source`

  String containing the RelaxNG Schema.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### See Also

- XMLReader::setRelaxNGSchema() - Set the filename or URI for a RelaxNG Schema
- XMLReader::setSchema() - Validate document against XSD
- XMLReader::isValid() - Indicates if the parsed document is valid