- preg_match_all: documentation ( source)
- str_replace: documentation ( source)
<?php
$data['content'] = "<script>test</script>";
$data['contentJS'] = '';
preg_match_all("'<script(.*?)>(.*?)</script>'si", $data['content'], $matches);
if (isset($matches[0]) && !empty($matches[0])) {
foreach ($matches[0] as $match) {
$data['contentJS'] .= $match;
$data['content'] = str_replace($match, '', $data['content']);
}
}