- print_r: documentation ( source)
<?php
$xml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<root>
<area>
<photographer_id>1</photographer_id>
<photographer>John</photographer>
<image>a</image>
</area>
<area>
<photographer_id>1</photographer_id>
<photographer>John</photographer>
<image>b</image>
</area>
<area>
<photographer_id>1</photographer_id>
<photographer>John</photographer>
<image>c</image>
</area>
<area>
<photographer_id>2</photographer_id>
<photographer>Fred</photographer>
<image>a</image>
</area>
</root>
XML;
$sxe = new SimpleXMLElement($xml);
$searchKeyword = "Fred";
$area = $sxe->xpath("//area[contains(translate(photographer,$searchKeyword) )]");
print_r($area);