integrate as class library in codeigniter - php

Question

I need to integrate the code that is in the answer to this thread.
How to rotate SVG by PHP
When I do it as a library I get error "construct", I do not have much knowledge about it, I hope you can help me.

Answer 1

From this class:
class ExSimpleXMLElement extends SimpleXMLElement
{
public function _construct($xml){
parent::_construct($xml);
}
/**
* Add SimpleXMLElement code into a SimpleXMLElement
* #param SimpleXMLElement $append
*/
public function appendXML($append)
{
if ($append) {
if (strlen(trim((string) $append))==0) {
$xml = $this->addChild($append->getName());
foreach($append->children() as $child) {
$xml->appendXML($child);
}
} else {
$xml = $this->addChild($append->getName(), (string) $append);
}
foreach($append->attributes() as $n => $v) {
$xml->addAttribute($n, $v);
}
}
}
}
You would transform it like this:
<?php
class ExSimpleXMLElement
{
private $sxe;
public function loadXml($xml){
$this->sxe = new SimpleXMLElement($xml);
}
/**
* Add SimpleXMLElement code into a SimpleXMLElement
* #param SimpleXMLElement $append
*/
public function appendXML($append)
{
if ($append) {
if (strlen(trim((string) $append))==0) {
$xml = $this->sxe->addChild($append->getName());
foreach($append->children() as $child) {
$xml->appendXML($child);
}
} else {
$xml = $this->sxe->addChild($append->getName(), (string) $append);
}
foreach($append->attributes() as $n => $v) {
$xml->addAttribute($n, $v);
}
}
}
}
And use it like this:
$this->load->library('ExSimpleXMLElement');
$this->exsimplexmlelement->loadXML($xml);