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<?php |
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declare(strict_types=1); |
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namespace Vyuldashev\XmlToArray; |
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use DOMAttr; |
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use DOMCdataSection; |
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use DOMDocument; |
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use DOMElement; |
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use DOMNamedNodeMap; |
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use DOMText; |
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class XmlToArray |
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{ |
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protected $document; |
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public function __construct(string $xml) |
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{ |
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$this->document = new DOMDocument(); |
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$this->document->loadXML($xml); |
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} |
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public static function convert(string $xml): array |
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{ |
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$converter = new static($xml); |
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return $converter->toArray(); |
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} |
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protected function convertAttributes(DOMNamedNodeMap $nodeMap): ?array |
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{ |
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if ($nodeMap->length === 0) { |
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return null; |
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} |
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$result = []; |
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/** @var DOMAttr $item */ |
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foreach ($nodeMap as $item) { |
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$result[$item->name] = $item->value; |
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} |
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return ['_attributes' => $result]; |
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} |
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protected function convertDomElement(DOMElement $element) |
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{ |
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$sameNames = []; |
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$result = $this->convertAttributes($element->attributes); |
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// Creates an index which counts each key, starting at zero, e.g. ['foo' => 2, 'bar' => 0] |
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$childNodeNames = []; |
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foreach ($element->childNodes as $key => $node) { |
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if (array_key_exists($node->nodeName, $sameNames)) { |
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$sameNames[$node->nodeName] += 1; |
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} else { |
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$sameNames[$node->nodeName] = 0; |
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} |
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} |
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foreach ($element->childNodes as $key => $node) { |
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if (is_null($result)) { |
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$result = []; |
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} |
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if ($node instanceof DOMCdataSection) { |
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$result['_cdata'] = $node->data; |
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continue; |
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} |
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if ($node instanceof DOMText) { |
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if (empty($result)) { |
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$result = $node->textContent; |
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} else { |
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$result['_value'] = $node->textContent; |
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} |
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continue; |
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} |
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if ($node instanceof DOMElement) { |
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if ($sameNames[$node->nodeName]) { // Truthy — When $sameNames['foo'] > 0 |
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if (! array_key_exists($node->nodeName, $result)) { // Setup $result['foo'] |
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$result[$node->nodeName] = []; |
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} |
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$result[$node->nodeName][$key] = $this->convertDomElement($node); // Store as $result['foo'][*] |
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} else { |
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$result[$node->nodeName] = $this->convertDomElement($node); // Store as $result['foo'] |
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} |
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continue; |
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} |
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} |
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return $result; |
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} |
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public function toArray(): array |
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{ |
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$result = []; |
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if ($this->document->hasChildNodes()) { |
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$children = $this->document->childNodes; |
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foreach ($children as $child) { |
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$result[$child->nodeName] = $this->convertDomElement($child); |
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} |
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} |
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return $result; |
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} |
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} |
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vyuldashev /
xml-to-array
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