/**
* Minify a CSS string
*
* @param string $css
*
* @param array $options available options:
*
* 'preserveComments': (default true) multi-line comments that begin
* with "/*!" will be preserved with newlines before and after to
* enhance readability.
*
* 'prependRelativePath': (default null) if given, this string will be
* prepended to all relative URIs in import/url declarations
*
* 'currentDir': (default null) if given, this is assumed to be the
* directory of the current CSS file. Using this, minify will rewrite
* all relative URIs in import/url declarations to correctly point to
* the desired files. For this to work, the files *must* exist and be
* visible by the PHP process.
*
* 'symlinks': (default = array()) If the CSS file is stored in
* a symlink-ed directory, provide an array of link paths to
* target paths, where the link paths are within the document root. Because
* paths need to be normalized for this to work, use "//" to substitute
* the doc root in the link paths (the array keys). E.g.:
* <code>
* array('//symlink' => '/real/target/path') // unix
* array('//static' => 'D:\\staticStorage') // Windows
* </code>
*
* @return string
*/
public static function minify($css, $options = array())
{
#require_once 'Diglin/Minify/CSS/Compressor.php';
if (isset($options['preserveComments']) && !$options['preserveComments']) {
$css = Diglin_Minify_CSS_Compressor::process($css, $options);
} else {
#require_once 'Diglin/Minify/CommentPreserver.php';
$css = Diglin_Minify_CommentPreserver::process($css, array('Diglin_Minify_CSS_Compressor', 'process'), array($options));
}
if (!isset($options['currentDir']) && !isset($options['prependRelativePath'])) {
return $css;
}
#require_once 'Diglin/Minify/CSS/UriRewriter.php';
if (isset($options['currentDir'])) {
return Diglin_Minify_CSS_UriRewriter::rewrite($css, $options['currentDir'], isset($options['docRoot']) ? $options['docRoot'] : $_SERVER['DOCUMENT_ROOT'], isset($options['symlinks']) ? $options['symlinks'] : array());
} else {
return Diglin_Minify_CSS_UriRewriter::prepend($css, $options['prependRelativePath']);
}
}
/**
* Minify a CSS string
*
* @param string $css
*
* @param array $options (currently ignored)
*
* @return string
*/
public static function process($css, $options = array())
{
$obj = new Diglin_Minify_CSS_Compressor($options);
return $obj->_process($css);
}