concatenate innerhtml of div into string variable - php

Question

i tried to concatenate innerhtml of div into string variable:
games variable:
$games = '';
DOMinnerHTML function:
function DOMinnerHTML($element)
{
$innerHTML = "";
$children = $element->childNodes;
foreach ($children as $child)
{
$tmp_dom = new DOMDocument();
$tmp_dom->appendChild($tmp_dom->importNode($child, true));
$innerHTML.=trim($tmp_dom->saveHTML());
}
return $innerHTML;
}
ExtractFromType function:
function ExtractFromType($type)
{
$html = file_get_contents('www.site.com/' .$type);
$dom = new domDocument;
#$dom->loadHTML($html);
$dom->preserveWhiteSpace = false;
$divs = $dom->getElementsByTagName('div');
foreach ($divs as $div) {
if (strpos($div->getAttribute('style'),'MyString') !== false) {
//////
$games = $games.DOMinnerHTML($div);
//////
}
}
}
code:
ExtractFromType('MyType');
echo $games; // = Nothing.
this code return nothing.

Answer 1

$games is defined in the global scope, and it's not available inside ExctractFromType. Define it inside the function, then return the value:
function ExtractFromType($type) {
$html = file_get_contents('www.site.com/' .$type);
$dom = new domDocument;
#$dom->loadHTML($html);
$dom->preserveWhiteSpace = false;
$divs = $dom->getElementsByTagName('div');
$games = '';
foreach ($divs as $div) {
if (strpos($div->getAttribute('style'),'MyString') !== false) {
$games = $games.DOMinnerHTML($div);
}
}
}
echo ExtractFromType('MyType');