<?php
	
	//BELOW ARE VARIOUS DEMONSTRATIONS ON HOW XML XPATH SYNTAX WORKS

	$xml = new SimpleXMLElement(file_get_contents('sushi.xml'));

	$fishname = 'Squid';
	$variationname = 'With Wasabi';

	$fish = $xml->xpath("/sushi/fish[@name='$fishname']");

	$fish2 = $fish[0];

	$variation = $fish2->xpath("variations/variation[@name='$variationname']");

	$variation2 = $variation[0];

	echo (string)$variation2->price;
	echo "<br />";
	
	echo "variations/variation[@name='$variationname']";
	echo "<br/>";
	
	$test = $fish2->xpath("variations/variation[2]");
	echo ($test[0]['name']);
?>