Quotes a string for use in an XPath expression

# DOMXPath::quote

(PHP 8 >= 8.4.0)

DOMXPath::quote — Quotes a string for use in an XPath expression

### Description

public static 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

Example #1 Matching attribute value with quotes

`<?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:

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

Mixed quote types are also supported:

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

The above example will output:

    concat("'different' ",'"quote" styles')

### See Also

- DOMXPath::evaluate() - Evaluates the given XPath expression and returns a typed result if possible
- DOMXPath::query() - Evaluates the given XPath expression

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