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3 years ago
Extended SimpleXMLElement:
<?php
class XmlElement extends \SimpleXMLElement
{
    public static function factory(string $root): self
    {
        return new static('<?xml version="1.0" encoding="UTF-8"?><'.$root.'/>', LIBXML_BIGLINES | LIBXML_COMPACT);
    }

    /**
      * @param iterable $attributes An array of element attributes as name/value pairs
      * @return $this
      */
    public function addAttributes(iterable $attributes)
    {
        foreach ($attributes as $name => $value) {
            $this->addAttribute($name, $value);
        }

        return $this;
    }

    /**
      * @param string $name The sub-element name
      * @param string|array|null $valueOrAttributes The sub-element value or an array of attributes
      * @param string|null $namespace The sub-element namespace
      * @return static|null
      */
    public function addChild($name, $valueOrAttributes = null, $namespace = null)
    {
        if (is_array($valueOrAttributes)) {
            $child = parent::addChild($name, null, $namespace);
            foreach ($valueOrAttributes as $name => $value) {
                $child->addAttribute($name, $value);
            }
        } else {
            $child = parent::addChild($name, $valueOrAttributes, $namespace);
        }

        return $child;
    }

    /**
      * @param iterable $childs An array of sub-elements as name/value(or attributes) pairs
      * @return $this
      */
    public function addChilds(iterable $childs)
    {
        foreach ($childs as $name => $value) {
            $this->addChild($name, $value);
        }

        return $this;
    }
}
?>
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