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<?php |
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/** |
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* Class Minify_CSSmin |
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* @package Minify |
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*/ |
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|
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use tubalmartin\CssMin\Minifier as CSSmin; |
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|
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/** |
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* Wrapper for CSSmin |
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* |
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* This class uses CSSmin and Minify_CSS_UriRewriter to minify CSS and rewrite relative URIs. |
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* |
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* @package Minify |
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* @author Stephen Clay <steve@mrclay.org> |
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*/ |
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class Minify_CSSmin |
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{ |
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|
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/** |
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* Minify a CSS string |
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* |
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* @param string $css |
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* |
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* @param array $options available options: |
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* |
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* 'removeCharsets': (default true) remove all @charset at-rules |
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* |
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* 'prependRelativePath': (default null) if given, this string will be |
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* prepended to all relative URIs in import/url declarations |
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* |
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* 'currentDir': (default null) if given, this is assumed to be the |
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* directory of the current CSS file. Using this, minify will rewrite |
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* all relative URIs in import/url declarations to correctly point to |
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* the desired files. For this to work, the files *must* exist and be |
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* visible by the PHP process. |
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* |
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* 'symlinks': (default = array()) If the CSS file is stored in |
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* a symlink-ed directory, provide an array of link paths to |
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* target paths, where the link paths are within the document root. Because |
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* paths need to be normalized for this to work, use "//" to substitute |
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* the doc root in the link paths (the array keys). E.g.: |
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* <code> |
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* array('//symlink' => '/real/target/path') // unix |
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* array('//static' => 'D:\\staticStorage') // Windows |
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* </code> |
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* |
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* 'docRoot': (default = $_SERVER['DOCUMENT_ROOT']) |
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* see Minify_CSS_UriRewriter::rewrite |
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* |
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* @return string |
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*/ |
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public static function minify($css, $options = array()) |
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{ |
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$options = array_merge(array( |
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'compress' => true, |
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'removeCharsets' => true, |
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'currentDir' => null, |
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'docRoot' => $_SERVER['DOCUMENT_ROOT'], |
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'prependRelativePath' => null, |
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'symlinks' => array(), |
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), $options); |
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|
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if ($options['removeCharsets']) { |
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$css = preg_replace('/@charset[^;]+;\\s*/', '', $css); |
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} |
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if ($options['compress']) { |
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$obj = new CSSmin(); |
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$css = $obj->run($css); |
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} |
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if (! $options['currentDir'] && ! $options['prependRelativePath']) { |
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return $css; |
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} |
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if ($options['currentDir']) { |
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return Minify_CSS_UriRewriter::rewrite( |
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$css, |
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$options['currentDir'], |
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$options['docRoot'], |
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$options['symlinks'] |
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); |
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} |
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|
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return Minify_CSS_UriRewriter::prepend( |
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$css, |
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$options['prependRelativePath'] |
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); |
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} |
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} |
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|
