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DOMXPath::quote

PHP function Edit on GitHub ✎

(PHP 8 >= 8.4.0)

Quotes a string for use in an XPath expression

Description

DOMXPath::quote(string $str): string

Quotes str for use in an XPath expression.

Parameters

str: The string to quote.

Return Values

Returns a quoted string to be used in an XPath expression.

Examples

Matching attribute value with quotes

php

<?php
$doc = new DOMDocument;
$doc->loadXML(<<<XML
<books>
    <book name="'quoted' name">Book title</book>
</books>
XML);

$xpath = new DOMXPath($doc);

$query = "//book[@name=" . DOMXPath::quote("'quoted' name") . "]";
echo $query, "\n";

$entries = $xpath->query($query);

foreach ($entries as $entry) {
    echo "Found ", $entry->textContent, "\n";
}
?>

The above example will output:

output

//book[@name="'quoted' name"]
Found Book title

Mixed quote types are also supported:

php

<?php
echo DOMXPath::quote("'different' \"quote\" styles");
?>