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--TEST--
php:function() edge cases
--EXTENSIONS--
dom
--FILE--
<?php
$doc = new DOMDocument();
$doc->loadHTML('<a href="https://php.net">hello</a>');
$xpath = new DOMXpath($doc);
$xpath->registerNamespace("php", "http://php.net/xpath");
$xpath->registerPHPFunctions();
try {
$xpath->query("//a[php:function(3)]");
} catch (TypeError $e) {
echo $e->getMessage(), "\n";
}
try {
$xpath->query("//a[php:function()]");
} catch (Throwable $e) {
echo $e->getMessage(), "\n";
}
?>
--EXPECT--
Handler name must be a string
Function name must be passed as the first argument
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