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<?php |
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/** |
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* LICENSE: This file is subject to the terms and conditions defined in |
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* file 'LICENSE', which is part of this source code package. |
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* |
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* @copyright 2016 Copyright(c) - All rights reserved. |
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*/ |
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namespace Rafrsr\LibArray2Xml; |
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/** |
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* XML2Array: A class to convert XML to array in PHP |
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* It returns the array which can be converted back to XML using the Array2XML script |
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* It takes an XML string or a DOMDocument object as an input. |
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* |
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* Based on http://www.lalit.org/lab/convert-xml-to-array-in-php-xml2array/ |
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* |
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* - some minor bug fixes |
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* - support for php7 |
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* - tests |
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* |
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* Usage: |
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* $array = XML2Array::createArray($xml); |
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*/ |
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class XML2Array |
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{ |
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use CommonsTrait; |
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/** |
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* Convert an XML to Array |
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* |
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* @param string $inputXml - xml to convert |
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* |
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* @return \DOMDocument |
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* @throws \InvalidArgumentException |
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*/ |
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public static function createArray($inputXml) |
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{ |
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$xml = self::getXMLRoot(); |
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if (is_string($inputXml)) { |
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$parsed = $xml->loadXML($inputXml); |
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if (!$parsed) { |
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throw new \InvalidArgumentException('[XML2Array] Error parsing the XML string.'); |
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} |
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} else { |
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if (get_class($inputXml) !== 'DOMDocument') { |
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throw new \InvalidArgumentException('[XML2Array] The input XML object should be of type: DOMDocument.'); |
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} |
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$xml = self::$xml = $inputXml; |
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} |
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$array = []; |
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$array[$xml->documentElement->tagName] = self::convert($xml->documentElement); |
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self::$xml = null;// clear the xml node in the class for 2nd time use. |
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return $array; |
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} |
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/** |
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* Convert an Array to XML |
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* |
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* @param mixed $node - XML as a string or as an object of DOMDocument |
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* |
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* @return mixed |
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*/ |
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private static function convert($node) |
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{ |
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$output = []; |
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switch ($node->nodeType) { |
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case XML_CDATA_SECTION_NODE: |
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$output[self::$prefixAttributes . 'cdata'] = trim($node->textContent); |
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break; |
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case XML_TEXT_NODE: |
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$output = trim($node->textContent); |
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break; |
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case XML_ELEMENT_NODE: |
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// for each child node, call the covert function recursively |
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for ($i = 0, $m = $node->childNodes->length; $i < $m; $i++) { |
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$child = $node->childNodes->item($i); |
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$v = self::convert($child); |
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if (isset($child->tagName)) { |
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$t = $child->tagName; |
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// assume more nodes of same kind are coming |
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if (!array_key_exists($t, $output)) { |
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$output[$t] = []; |
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} |
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$output[$t][] = $v; |
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} else { |
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//check if it is not an empty text node |
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if ($v !== '') { |
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$output = $v; |
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} |
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} |
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} |
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if (is_array($output)) { |
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// if only one node of its kind, assign it directly instead if array($value); |
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foreach ($output as $t => $v) { |
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if (is_array($v) && count($v) === 1) { |
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$output[$t] = $v[0]; |
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} |
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} |
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if (count($output) === 0) { |
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//for empty nodes |
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$output = ''; |
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} |
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} |
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// loop through the attributes and collect them |
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if ($node->attributes->length) { |
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$a = []; |
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foreach ($node->attributes as $attrName => $attrNode) { |
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$a[$attrName] = (string)$attrNode->value; |
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} |
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// if its an leaf node, store the value in @value instead of directly storing it. |
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if (!is_array($output)) { |
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$output = [self::$prefixAttributes . 'value' => $output]; |
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} |
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$output[self::$prefixAttributes . 'attributes'] = $a; |
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} |
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break; |
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} |
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return $output; |
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} |
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} |
rafrsr /
lib-array2xml
