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The Symfony/css-selector is a renowned Composer package expressly designed for the purpose of converting CSS selectors into XPath expressions. This PHP component is a port of the Python cssselect library, notably allowing for seamless integration within PHP frameworks and offering a substantial advantage when dealing with XML or HTML document querying.
The Symfony/css-selector can be conveniently used by first installing the package via composer. Using your terminal, you can install it by running composer require symfony/css-selector. Once installed, you can use the package within your PHP code by instantiating the CssSelectorConverter class and invoking the toXPath function. Here's a small example of its usage:
use Symfony\Component\CssSelector\CssSelectorConverter;
$converter = new CssSelectorConverter();
$xPath = $converter->toXPath('div.item');
echo $xPath; // outputs: //div[contains(concat(' ', normalize-space(@class), ' '), ' item ')]
In the example above, div.item is the CSS selector that gets converted to XPath. The output is then printed to the console.
The authoritative and comprehensive documentation for the Symfony/css-selector can be located at the following URL: Symfony/css-selector documentation. This documentation will walk you through a multitude of topics including installation, comprehensive usage examples, detailed API references, and common troubleshooting steps. In the event where you may want to contribute to the project or report issues, you can do so through Symfony's main GitHub repository.
