PHP-function to optimize a CSS-file

Dmitry-Sh (Dmitry Shilnikov) — Wed, 13 Jun 2007 13:42:52 GMT



	/**

	 * Converts a CSS-file contents into one string

	 *

	 * @param    string  $t Text data

	 * @param    int     $is_debug Skip convertion

	 * @return   string  Optimized string

	 */

	function text_smooth_css($t, $is_debug = 0)

	{

		if ($is_debug) { return $t; }

		/* Remove comments */

		$t = preg_replace("/\/\*(.*?)\*\//s", ' ', $t);

		/* Remove new lines, spaces */

		$t = preg_replace("/(\s{2,}|[\r\n|\n|\t|\r])/", ' ', $t);

		/* Join rules */

		$t = preg_replace('/([,|;|:|{|}]) /', '\\1', $t);

		$t = str_replace(' {', '{', $t);

		/* Remove ; for the last attribute */

		$t = str_replace(';}', '}', $t);

		$t = str_replace(' }', '}', $t);

		return $t;

	}

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PHP-function to optimize a CSS-file