PHP | XMLReader setRelaxNGSchema()函数
XMLReader::setRelaxNGSchema()函数是PHP中的一个内置函数,用于设置用于验证的 RelaxNG Schema 的文件名或 URI。
句法:
bool XMLReader::setRelaxNGSchema( string $filename )
参数:此函数接受单个参数$filename ,其中包含指向 RelaxNG 模式的文件名或 URI。
返回值:此函数在成功时返回 TRUE,在失败时返回 FALSE。
下面的示例说明了PHP中的XMLReader::setRelaxNGSchema()函数:
- 示例 1:
- data.xml (要验证的 XML 文件)
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- rule.rng (XML 文件要遵循的规则)
- 指数。 PHP (运行验证器的PHP脚本)
open('data.xml'); // Load the rule file $XMLReader->setRelaxNGSchema('rule.rng'); // Iterate through the XML nodes // and validate each node while ($XMLReader->read()) { if ($XMLReader->nodeType == XMLREADER::ELEMENT) { // Check if XML follows the relaxNG rule if ($XMLReader->isValid()) { echo "This document is valid!
"; } } } ?> - 输出:
This document is valid! This document is valid! This document is valid! This document is valid! This document is valid! This document is valid! This document is valid!
方案二:
- 数据.xml
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- 规则.rng
- 指数。 PHP
open('data.xml'); // Load the rule file $XMLReader->setRelaxNGSchema('rule.rng'); // Iterate through the XML nodes while ($XMLReader->read()) { if ($XMLReader->nodeType == XMLREADER::ELEMENT) { // Check if XML follows the relaxNG rule if (!$XMLReader->isValid()) { echo "This document is not valid!
"; } } } ?> - 输出:
This document is not valid! This document is not valid! This document is not valid! This document is not valid!
参考: https://www. PHP.net/manual/en/xmlreader.setrelaxngschema。 PHP