# XMLReader::setRelaxNGSchemaSource

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

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

### 说明

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

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

### 参数

`source`

  String containing the RelaxNG Schema.

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 参见

- 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

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