function rocket_minify_files($files, $force_pretty_url = true, $pretty_filename = null)
{
echo get_rocket_minify_files($files, $force_pretty_url, $pretty_filename);
}
/**
* Used to minify and concat JavaScript files
*
* @since 1.1.0 Fix Bug with externals URLs like //ajax.google.com
* @since 1.0.2 Remove the filter, remove the array_chunk, add an automatic way to cut strings to 255c max
* @since 1.0
*/
function rocket_minify_js($buffer)
{
$home_host = parse_url(home_url(), PHP_URL_HOST);
$internal_files = array();
$external_tags = array();
$excluded_tags = '';
$excluded_js = implode('|', get_rocket_exclude_js());
$excluded_js = str_replace('//' . $home_host, '', $excluded_js);
$js_in_footer = get_rocket_minify_js_in_footer();
$wp_content_dirname = ltrim(str_replace(home_url(), '', WP_CONTENT_URL), '/') . '/';
$excluded_external_js = get_rocket_minify_excluded_external_js();
// Get all JS files with this regex
preg_match_all(apply_filters('rocket_minify_js_regex_pattern', '#<script[^>]+?src=[\'|"]([^\'|"]+\\.js?)[\'|"]?.*>(?:<\\/script>)#i'), $buffer, $tags_match);
$i = 0;
foreach ($tags_match[0] as $tag) {
// Chek if the file is already minify by get_rocket_minify_files
// or the file is rejected to the process
if (!strpos($tag, 'data-minify=') && !strpos($tag, 'data-no-minify=')) {
// To check if a tag is to exclude of the minify process
$excluded_tag = false;
// Get JS URL with scheme
$js_url_with_scheme = set_url_scheme($tags_match[1][$i]);
// Get URL infos
$js_url = parse_url($js_url_with_scheme);
// Get host for all langs
$langs_host = array();
if ($langs = get_rocket_i18n_uri()) {
foreach ($langs as $lang) {
$langs_host[] = parse_url($lang, PHP_URL_HOST);
}
}
// Get host of CNAMES
$cnames_host = get_rocket_cnames_host(array('all', 'css_and_js', 'js'));
// Check if the link isn't external
// Insert the relative path to the array without query string
if (isset($js_url['host']) && ($js_url['host'] == $home_host || in_array($js_url['host'], $cnames_host) || in_array($js_url['host'], $langs_host)) || !isset($js_url['host']) && preg_match('#(' . $wp_content_dirname . '|wp-includes)#', $js_url['path'])) {
// Check if it isn't a file to exclude
if (!preg_match('#^(' . $excluded_js . ')$#', $js_url['path']) && pathinfo($js_url['path'], PATHINFO_EXTENSION) == 'js') {
$internal_files[] = $js_url['path'];
} else {
$excluded_tag = true;
}
// If it's an excluded external file
} else {
if (isset($js_url['host']) && in_array($js_url['host'], $excluded_external_js)) {
$excluded_tag = true;
// If it's an external file
} else {
if (!in_array($tags_match[1][$i], $js_in_footer) && !in_array($js_url_with_scheme, $js_in_footer)) {
$external_tags[] = $tag;
}
}
}
// Remove the tag
if (!$excluded_tag) {
$buffer = str_replace($tag, '', $buffer);
}
}
$i++;
}
// Get external JS tags and remove duplicate scripts
$external_tags = implode('', array_unique($external_tags));
// Exclude JS files to insert in footer
foreach ($internal_files as $k => $url) {
if (in_array(set_url_scheme('//' . $home_host . $url), $js_in_footer) || in_array($url, $js_in_footer)) {
unset($internal_files[$k]);
}
}
// Insert the minify JS file
return array($buffer, $external_tags . get_rocket_minify_files($internal_files));
}