/**
*
* Moves all of scripts in front of </body>
* @param string $content
*
* @internal
*/
public function moveJsToBody(&$content)
{
if (!$this->getJsToBody()) {
return;
}
$js = "";
$offset = 0;
$newContent = "";
$areas = $this->getScriptAreas($content);
foreach ($areas as $area) {
if (String::getBinaryStrpos($area->attrs, "data-skip-moving") !== false || !self::isValidScriptType($area->attrs)) {
continue;
}
$js .= String::getBinarySubstring($content, $area->openTagStart, $area->closingTagEnd - $area->openTagStart);
$newContent .= String::getBinarySubstring($content, $offset, $area->openTagStart - $offset);
$offset = $area->closingTagEnd;
}
if ($js === "") {
return;
}
$newContent .= String::getBinarySubstring($content, $offset);
$bodyEnd = String::getBinaryStrripos($newContent, "</body>");
if ($bodyEnd === false) {
$content = $newContent . $js;
} else {
$content = substr_replace($newContent, $js, $bodyEnd, 0);
}
}
