public static function minify($html, $options = array())
{
if (isset($options['cssMinifier'])) {
self::$_cssMinifier = $options['cssMinifier'];
}
if (isset($options['jsMinifier'])) {
self::$_jsMinifier = $options['jsMinifier'];
}
$html = str_replace("\r\n", "\n", trim($html));
self::$_isXhtml = isset($options['xhtml']) ? (bool) $options['xhtml'] : false !== strpos($html, '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML');
self::$_replacementHash = 'MINIFYHTML' . md5(time());
self::$_placeholders = array();
// replace SCRIPTs (and minify) with placeholders
$html = preg_replace_callback('/\\s*(<script\\b[^>]*?>)([\\s\\S]*?)<\\/script>\\s*/i', array(self::$className, '_removeScriptCB'), $html, Media::getBackTrackLimit());
// replace STYLEs (and minify) with placeholders
$html = preg_replace_callback('/\\s*(<style\\b[^>]*?>)([\\s\\S]*?)<\\/style>\\s*/i', array(self::$className, '_removeStyleCB'), $html, Media::getBackTrackLimit());
// remove HTML comments (not containing IE conditional comments).
$html = preg_replace_callback('/<!--([\\s\\S]*?)-->/', array(self::$className, '_commentCB'), $html, Media::getBackTrackLimit());
// replace PREs with placeholders
$html = preg_replace_callback('/\\s*(<pre\\b[^>]*?>[\\s\\S]*?<\\/pre>)\\s*/i', array(self::$className, '_removePreCB'), $html, Media::getBackTrackLimit());
// replace TEXTAREAs with placeholders
$html = preg_replace_callback('/\\s*(<textarea\\b[^>]*?>[\\s\\S]*?<\\/textarea>)\\s*/i', array(self::$className, '_removeTaCB'), $html, Media::getBackTrackLimit());
// trim each line.
// @todo take into account attribute values that span multiple lines.
$html = preg_replace('/^\\s+|\\s+$/m', '', $html, Media::getBackTrackLimit());
// remove ws around block/undisplayed elements
$html = preg_replace('/\\s+(<\\/?(?:area|base(?:font)?|blockquote|body' . '|caption|center|cite|col(?:group)?|dd|dir|div|dl|dt|fieldset|form' . '|frame(?:set)?|h[1-6]|head|hr|html|legend|li|link|map|menu|meta' . '|ol|opt(?:group|ion)|p|param|t(?:able|body|head|d|h||r|foot|itle)' . '|ul)\\b[^>]*>)/i', '$1', $html, Media::getBackTrackLimit());
// remove ws outside of all elements
$html = preg_replace_callback('/>([^<]+)</', array(self::$className, '_outsideTagCB'), $html, Media::getBackTrackLimit());
// use newlines before 1st attribute in open tags (to limit line lengths)
//$html = preg_replace('/(<[a-z\\-]+)\\s+([^>]+>)/i', "$1\n$2", $html);
// fill placeholders
$html = str_replace(array_keys(self::$_placeholders), array_values(self::$_placeholders), $html);
self::$_placeholders = array();
self::$_cssMinifier = self::$_jsMinifier = null;
return $html;
}
/**
* Get compressed template
*
* <code>
* echo Site::template();
* </code>
*
* @param string $theme Theme name
* @return mixed
*/
public static function template($theme = null)
{
// Get specific theme or current theme
$current_theme = $theme == null ? Option::get('theme_site_name') : $theme;
// Get template
$template = call_user_func(ucfirst(Uri::command()) . '::template');
// Check whether is there such a template in the current theme
// else return default template: index
// also compress template file :)
if (File::exists(THEMES_SITE . DS . $current_theme . DS . $template . '.template.php')) {
if (!file_exists(MINIFY . DS . 'theme.' . $current_theme . '.minify.' . $template . '.template.php') or filemtime(THEMES_SITE . DS . $current_theme . DS . $template . '.template.php') > filemtime(MINIFY . DS . 'theme.' . $current_theme . '.minify.' . $template . '.template.php')) {
$buffer = file_get_contents(THEMES_SITE . DS . $current_theme . DS . $template . '.template.php');
$buffer = MinifyHTML::process($buffer);
file_put_contents(MINIFY . DS . 'theme.' . $current_theme . '.minify.' . $template . '.template.php', $buffer);
}
return 'minify.' . $template;
} else {
if (!File::exists(MINIFY . DS . 'theme.' . $current_theme . '.' . 'minify.index.template.php') or filemtime(THEMES_SITE . DS . $current_theme . DS . 'index.template.php') > filemtime(MINIFY . DS . 'theme.' . $current_theme . '.' . 'minify.index.template.php')) {
$buffer = file_get_contents(THEMES_SITE . DS . $current_theme . DS . 'index.template.php');
$buffer = MinifyHTML::process($buffer);
file_put_contents(MINIFY . DS . 'theme.' . $current_theme . '.' . 'minify.index.template.php', $buffer);
}
return 'minify.index';
}
}
/**
* Get chunk
*
* @param string $name Chunk name
* @param string $theme Theme name
*/
public static function get($name, $vars = array(), $theme = null)
{
// Redefine vars
$name = (string) $name;
$current_theme = $theme === null ? Option::get('theme_site_name') : (string) $theme;
// Extract vars
extract($vars);
// Chunk path
$chunk_path = THEMES_SITE . DS . $current_theme . DS;
// Is chunk exist ?
if (file_exists($chunk_path . $name . '.chunk.php')) {
// Is chunk minified
if (!file_exists(MINIFY . DS . 'theme.' . $current_theme . '.minify.' . $name . '.chunk.php') or filemtime(THEMES_SITE . DS . $current_theme . DS . $name . '.chunk.php') > filemtime(MINIFY . DS . 'theme.' . $current_theme . '.minify.' . $name . '.chunk.php')) {
file_put_contents(MINIFY . DS . 'theme.' . $current_theme . '.minify.' . $name . '.chunk.php', MinifyHTML::process(file_get_contents(THEMES_SITE . DS . $current_theme . DS . $name . '.chunk.php')));
}
// Include chunk
include MINIFY . DS . 'theme.' . $current_theme . '.minify.' . $name . '.chunk.php';
}
}
