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PHP - Manual: XMLReader::setRelaxNGSchema - 互联网笔记

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PHP - Manual: XMLReader::setRelaxNGSchema

2025-06-02

XMLReader::setRelaxNGSchema

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

XMLReader::setRelaxNGSchemaSet the filename or URI for a RelaxNG Schema

说明

public XMLReader::setRelaxNGSchema(?string $filename): bool

Set the filename or URI for the RelaxNG Schema to use for validation.

参数

filename

filename or URI pointing to a RelaxNG Schema.

返回值

成功时返回 true, 或者在失败时返回 false

参见

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remy dot damour at laposte dot net
16 years ago
Make sure to load your data prior to calling ->setRelaxNGSchema() otherwise you will get an error.

<?php
$xml_reader
= new XMLReader();
$xml_reader->setRelaxNGSchema($rng_schema);
$xml_reader->xml($xml_data);
?>
Above code generates the following warning: "Warning: XMLReader::setRelaxNGSchemaSource()
[xmlreader.setrelaxngschemasource]: Unable to set schema. This must be
set prior to reading or schema contains errors."

whereas the following does not generate a warning:
<?php
$xml_reader
= new XMLReader();
$xml_reader->xml($xml_data); // or $xml_reader->xml($xml_file);
$xml_reader->setRelaxNGSchema($rng_schema);
?>

cf. http://bugs.php.net/bug.php?id=46978

官方地址:https://www.php.net/manual/en/xmlreader.setrelaxngschema.php

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