Come faccio a leggere questo file xlm usando php 4 ?
<?xml version="1.0" encoding="UTF-8"?>
<gesmes:Envelope xmlns:gesmes="http://www.gesmes.org/xml/2002-08-01" xmlns="http://www.ecb.int/vocabulary/2002-08-01/eurofxref">
<gesmes:subject>Reference rates</gesmes:subject>
<gesmes:Sender>
<gesmes:name>European Central Bank</gesmes:name>
</gesmes:Sender>
<Cube>
<Cube time='2007-09-18'>
<Cube currency='USD' rate='1.3867'/>
<Cube currency='JPY' rate='160.16'/>
<Cube currency='BGN' rate='1.9558'/>
<Cube currency='CYP' rate='0.5842'/>
<Cube currency='CZK' rate='27.499'/>
<Cube currency='DKK' rate='7.4508'/>
<Cube currency='EEK' rate='15.6466'/>
<Cube currency='GBP' rate='0.69520'/>
<Cube currency='HUF' rate='254.49'/>
<Cube currency='LTL' rate='3.4528'/>
<Cube currency='LVL' rate='0.7021'/>
<Cube currency='MTL' rate='0.4293'/>
<Cube currency='PLN' rate='3.7837'/>
<Cube currency='RON' rate='3.3800'/>
<Cube currency='SEK' rate='9.2953'/>
<Cube currency='SKK' rate='33.866'/>
<Cube currency='CHF' rate='1.6479'/>
<Cube currency='ISK' rate='90.13'/>
<Cube currency='NOK' rate='7.8070'/>
<Cube currency='HRK' rate='7.3226'/>
<Cube currency='RUB' rate='35.1580'/>
<Cube currency='TRY' rate='1.7524'/>
<Cube currency='AUD' rate='1.6594'/>
<Cube currency='CAD' rate='1.4226'/>
<Cube currency='CNY' rate='10.4319'/>
<Cube currency='HKD' rate='10.7992'/>
<Cube currency='IDR' rate='13003.78'/>
<Cube currency='KRW' rate='1290.60'/>
<Cube currency='MYR' rate='4.8375'/>
<Cube currency='NZD' rate='1.9612'/>
<Cube currency='PHP' rate='63.941'/>
<Cube currency='SGD' rate='2.1026'/>
<Cube currency='THB' rate='44.259'/>
<Cube currency='ZAR' rate='9.9727'/>
</Cube>
</Cube>
</gesmes:Envelope>