The Rise of Contactless Payments:...
In recent years, contactless payments have surged in popularity, driven...
<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Util;
use const ENT_QUOTES;
use function assert;
use function class_exists;
use function htmlspecialchars;
use function mb_convert_encoding;
use function ord;
use function preg_replace;
use function settype;
use function strlen;
use DOMCharacterData;
use DOMDocument;
use DOMElement;
use DOMNode;
use DOMText;
use ReflectionClass;
use ReflectionException;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class Xml
{
/**
* @deprecated Only used by assertEqualXMLStructure()
*/
public static function import(DOMElement $element): DOMElement
{
return (new DOMDocument)->importNode($element, true);
}
/**
* @deprecated Only used by assertEqualXMLStructure()
*/
public static function removeCharacterDataNodes(DOMNode $node): void
{
if ($node->hasChildNodes()) {
for ($i = $node->childNodes->length - 1; $i >= 0; $i--) {
if (($child = $node->childNodes->item($i)) instanceof DOMCharacterData) {
$node->removeChild($child);
}
}
}
}
/**
* Escapes a string for the use in XML documents.
*
* Any Unicode character is allowed, excluding the surrogate blocks, FFFE,
* and FFFF (not even as character reference).
*
* @see https://www.w3.org/TR/xml/#charsets
*/
public static function prepareString(string $string): string
{
return preg_replace(
'/[\\x00-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]/',
'',
htmlspecialchars(
self::convertToUtf8($string),
ENT_QUOTES,
),
);
}
/**
* "Convert" a DOMElement object into a PHP variable.
*/
public static function xmlToVariable(DOMElement $element)
{
$variable = null;
switch ($element->tagName) {
case 'array':
$variable = [];
foreach ($element->childNodes as $entry) {
if (!$entry instanceof DOMElement || $entry->tagName !== 'element') {
continue;
}
$item = $entry->childNodes->item(0);
if ($item instanceof DOMText) {
$item = $entry->childNodes->item(1);
}
$value = self::xmlToVariable($item);
if ($entry->hasAttribute('key')) {
$variable[(string) $entry->getAttribute('key')] = $value;
} else {
$variable[] = $value;
}
}
break;
case 'object':
$className = $element->getAttribute('class');
if ($element->hasChildNodes()) {
$arguments = $element->childNodes->item(0)->childNodes;
$constructorArgs = [];
foreach ($arguments as $argument) {
if ($argument instanceof DOMElement) {
$constructorArgs[] = self::xmlToVariable($argument);
}
}
try {
assert(class_exists($className));
$variable = (new ReflectionClass($className))->newInstanceArgs($constructorArgs);
// @codeCoverageIgnoreStart
} catch (ReflectionException $e) {
throw new Exception(
$e->getMessage(),
$e->getCode(),
$e,
);
}
// @codeCoverageIgnoreEnd
} else {
$variable = new $className;
}
break;
case 'boolean':
$variable = $element->textContent === 'true';
break;
case 'integer':
case 'double':
case 'string':
$variable = $element->textContent;
settype($variable, $element->tagName);
break;
}
return $variable;
}
private static function convertToUtf8(string $string): string
{
if (!self::isUtf8($string)) {
$string = mb_convert_encoding($string, 'UTF-8');
}
return $string;
}
private static function isUtf8(string $string): bool
{
$length = strlen($string);
for ($i = 0; $i < $length; $i++) {
if (ord($string[$i]) < 0x80) {
$n = 0;
} elseif ((ord($string[$i]) & 0xE0) === 0xC0) {
$n = 1;
} elseif ((ord($string[$i]) & 0xF0) === 0xE0) {
$n = 2;
} elseif ((ord($string[$i]) & 0xF0) === 0xF0) {
$n = 3;
} else {
return false;
}
for ($j = 0; $j < $n; $j++) {
if ((++$i === $length) || ((ord($string[$i]) & 0xC0) !== 0x80)) {
return false;
}
}
}
return true;
}
}
Blog Section
Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.
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