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@ 2013-10-31T04:34:38Z

<?php

$xml_string = <<<EOX
<?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='2013-08-23'>
            <Cube currency='USD' rate='1.3355'/>
            <Cube currency='GBP' rate='0.85910'/>
            <Cube currency='HUF' rate='298.98'/>
        </Cube>
    </Cube>
</gesmes:Envelope>
EOX;

$xml = simplexml_load_string($xml_string);

$xml->registerXPathNamespace('c', 'http://www.ecb.int/vocabulary/2002-08-01/eurofxref');
$result = $xml->xpath('//c:Cube[@currency="GBF"]');

echo count($result);

Output for git.master, git.master_jit, rfc.property-hooks: 0

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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