PHP - Manual: XMLReader::lookupNamespace
2024-11-23
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
XMLReader::lookupNamespace — Lookup namespace for a prefix
$prefix
): ?stringLookup in scope namespace for a given prefix.
prefix
String containing the prefix.
The value of the namespace, or null
if no namespace exists.
版本 | 说明 |
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8.0.0 |
This function can no longer return false .
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官方地址:https://www.php.net/manual/en/xmlreader.lookupnamespace.php