/** * * 按照指定的尺寸压缩图片 * * @param $source_path 原图路径 * * @param $imgWidth 目标宽度 * * @param $imgHeight 目标高度 * * @return bool|string */ function resize_image($source_path, $imgWidth, $imgHeight) { $source_info = getimagesize($source_path); $source_mime = $source_info['mime']; switch ($source_mime) { case 'image/gif': $source_image = imagecreatefromgif($source_path); break; case 'image/jpeg': $source_image = imagecreatefromjpeg($source_path); break; case 'image/png': $source_image = imagecreatefrompng($source_path); break; default: return false; break; } $target_image = imagecreatetruecolor($imgWidth, $imgHeight); //创建一个彩色的底图 imagecopyresampled($target_image, $source_image, 0, 0, 0, 0, $imgWidth, $imgHeight, $source_info[0], $source_info[1]); if(!imagejpeg($target_image, $source_path)){ $source_path = ''; } imagedestroy($target_image); return $source_path; }
标签:info,压缩,break,source,尺寸,imgHeight,path,php,image From: https://www.cnblogs.com/seanpan/p/17373694.html