PHP - varias variables con xpath query

$var1 = $datos_xpath->query('//a[@class="item-link "]');

$var2 = $datos_xpath->query('//span[@class="item-price"]');

foreach($var1 as $row1){

		echo $row1->nodeValue .",";

		foreach($var2 as $row2){

		    echo $row2->nodeValue . "<br />";

		}

	}

for (f, b, c, d) in itertools.izip(k, l, m, n):

foreach (array_map(null, $var1, $var2) as $value) {

    list($v1, $v2) = $value;

    print_r($v1);

}

$html = new DOMDocument();

$html->loadHTML('

<a class="item-link">valor de a1</a>

<a class="item-link">valor de a2</a>

<a class="item-link">valor de a3</a>

<span class="item-price">valor de span1</span>

<span class="item-price">valor de span2</span>

<span class="item-price">valor de span3</span>

');

$xpath = new DOMXpath($html);

$var1 = iterator_to_array($xpath->query('//a[@class="item-link"]'));

$var2 = iterator_to_array($xpath->query('//span[@class="item-price"]'));

foreach (array_map(null, $var1, $var2) as $value) {

    list($a, $span) = $value;

    echo "<{$a->nodeName}> ---- Clase: {$a->getAttribute('class')} ---- Valor: {$a->nodeValue}\n";

    echo "<{$span->nodeName}> ---- Clase: {$span->getAttribute('class')} ---- {$span->nodeValue}\n\n";

}