* This script creates an array of currencies from a trusted source.
* The result of the script is exported in PHP format to be used by the library at runtime.
*
* This script is meant to be run by project maintainers, on a regular basis.
*/
$data = file_get_contents('http://www.currency-iso.org/dam/downloads/table_a1.xml');
$document = new DOMDocument();
$document->loadXML($data);
$countries = $document->getElementsByTagName('CcyNtry');
$result = [];
foreach ($countries as $country) {
/** @var DOMElement $country */
$name = getDomElementString($country, 'CcyNm');
$currencyCode = getDomElementString($country, 'Ccy');
$numericCode = getDomElementString($country, 'CcyNbr');
$minorUnits = getDomElementString($country, 'CcyMnrUnts');
if ($name === null || $currencyCode === null && $numericCode === null && $minorUnits == null) {
continue;
}
if ($minorUnits == 'N.A.') {
continue;
}
$name = checkName($name);
$currencyCode = checkCurrencyCode($currencyCode);
$numericCode = checkNumericCode($numericCode);
$minorUnits = checkMinorUnits($minorUnits);
$value = [$currencyCode, $numericCode, $name, $minorUnits];
if (isset($result[$currencyCode])) {
if ($result[$currencyCode] !== $value) {
throw new \RuntimeException('Inconsistent values found for currency code ' . $currencyCode);
}
<?php
$data = file_get_contents('http://www.currency-iso.org/dam/downloads/table_a1.xml');
$document = new DOMDocument();
$document->loadXML($data);
$countries = $document->getElementsByTagName('CcyNtry');
$countryToCurrency = [];
foreach ($countries as $country) {
/** @var DOMElement $country */
$countryName = getDomElementString($country, 'CtryNm');
$currencyCode = getDomElementString($country, 'Ccy');
if ($currencyCode !== null && preg_match('/^[A-Z]{3}$/', $currencyCode) == 0) {
throw new \RuntimeException('Invalid currency code: ' . $currencyCode);
}
$countryToCurrency[$countryName] = $currencyCode;
}
file_put_contents('country-to-currency.php', sprintf("<?php return %s;\n", var_export($countryToCurrency, true)));
/**
* @param DOMElement $element
* @param string $name
*
* @return string|null
*/
function getDomElementString(DOMElement $element, $name)
{
foreach ($element->getElementsByTagName($name) as $child) {
/** @var $child DOMElement */
return $child->textContent;
}
return null;
}