Performs relaxNG validation on the document

# DOMDocument::relaxNGValidate

(PHP 5, PHP 7, PHP 8)

DOMDocument::relaxNGValidate — Performs relaxNG validation on the document

### Description

public DOMDocument::relaxNGValidate(string `$filename`): bool

Performs » relaxNG validation on the document based on the given RNG schema.

### Parameters

`filename`

  The RNG file.

### Return Values

Returns `true` on success or `false` on failure.

### See Also

- DOMDocument::relaxNGValidateSource() - Performs relaxNG validation on the document
- DOMDocument::schemaValidate() - Validates a document based on a schema. Only XML Schema 1.0 is supported.
- DOMDocument::schemaValidateSource() - Validates a document based on a schema
- DOMDocument::validate() - Validates the document based on its DTD

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