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PHP压缩CSS文件示例代码

程序员文章站 2024-02-12 10:14:10
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  1. // This defines the header type

  2. header("Content-type: text/css");
  3. // Start the output buffer
  4. ob_start("compress_css");
  5. // Function which actually compress
  6. // The CSS file
  7. function compress_css($buffer)
  8. {
  9. /* remove comments */
  10. $buffer = preg_replace("!/\*[^*]*\*+([^/][^*]*\*+)*/!", "", $buffer) ;
  11. /* remove tabs, spaces, newlines, etc. */
  12. $arr = array("\r\n", "\r", "\n", "\t", " ", " ", " ") ;
  13. $buffer = str_replace($arr, "", $buffer) ;
  14. return $buffer;
  15. }
  16. /* include all CSS files */

  17. include("style.css");
  18. include("fonts.css");
  19. include("print.css");
  20. // Flush the output buffer

  21. ob_end_flush();
  22. ?>
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此使用了output buffer函数来实现,此函数说明,请参考:Output Buffer Explained(http://www.phpcodebase.com/php-output-buffering-explained/)。