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<?php $xml = <<< XML <?xml version="1.0"?> <properties> <property> <propertyID>1</propertyID> <price>200</price> </property> <property> <propertyID>2</propertyID> <price>100</price> </property> <property> <propertyID>3</propertyID> <price>300</price> </property> </properties> XML; $xml = simplexml_load_string($xml); $properties = $xml->xpath("/properties/property"); usort($properties, function($a, $b) { return $b->price - $a->price; }); foreach($properties as $property) { echo $property->propertyID . "<br>"; }
Output for git.master, git.master_jit, rfc.property-hooks
3<br>1<br>2<br>

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