Remove Scripts With SRC

remove-scripts-with-src.php

<?php

function remove_scripts_with_src( $html ) {
    $use_errors = libxml_use_internal_errors( true );
    $dom = new \DOMDocument();
    $dom->loadHTML( $html );
    $scripts = $dom->getElementsByTagName( 'script' );
    for ( $i = $scripts->length - 1; $i >= 0; $i-- ) {
        if ( !( $item = $scripts->item( $i ) ) ) {
            continue;
        }
        if ( $item->hasAttribute( 'src' ) ) {
            $item->parentNode->removeChild( $item );
        }
    }
    $html = $dom->saveHTML();
    libxml_clear_errors();
    libxml_use_internal_errors( $use_errors );
    return $html;
}

$old_html = file_get_contents( 'https://www.facebook.com' );
$new_html = remove_scripts_with_src( $old_html );

print '<pre>' . htmlentities( $new_html ) . '</pre>';
exit();

?>