PHP generates thumbnail function code_PHP tutorial

WBOY
Release: 2016-07-13 17:40:34
Original
776 people have browsed it

  1.  /**
  2. * Generate image thumbnail
  3. *
  4. * @param string $src Original image address
  5. * @param string $savePath Thumbnail save address
  6. * @param integer $width Thumbnail width
  7. * @param integer $height Thumbnail height
  8. * @return string Thumbnail address
  9. */
  10.  function buildThumb($src, $savePath, $width = 220, $height = 180)
  11.  {
  12.      $arr = getimagesize($src);
  13.      if (!is_array($arr)) {
  14.          return false;
  15.      }
  16.      //1,2,3 分别为gif,jpg,png
  17.      if ($arr[2] > 4) {
  18.          return false;
  19.      }
  20.      $func = imagecreatefrom;
  21.      switch ($arr[2]) {
  22.          case 1  : $func .= gif; break;
  23.          case 2  : $func .= jpeg; break;
  24.          case 3  : $func .= png; break;
  25.          default :  $func .= jpeg;
  26.      }
  27.      $srcIm = $func($src);
  28.      $im    = imagecreatetruecolor($width, $height);
  29.       imagecopyresized($im, $srcIm, 0, 0, 0, 0, $width, $height, $arr[0], $arr[1]);
  30.      imagejpeg($im, $savePath);
  31.      imagedestroy($srcIm);
  32.      imagedestroy($im);
  33.      return true;
  34.  }
  35. ?>


www.bkjia.comtruehttp://www.bkjia.com/PHPjc/486193.htmlTechArticle?php /** * 生成图片缩略图 * * @param string $src 原图地址 * @param string $savePath 缩略图保存地址 * @param integer $width 缩略图宽 * @param integer $height 缩...
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!