Detailed explanation of the steps to replace the article image path with PHP to the local server

This time I bring you php replacement article PicturesDetailed explanation of the steps to path to the local server, php replacement article picture path to the local server. What are the precautions, the following is a practical case , let’s take a look.

php Replace the image path in the article and download the image to the local server

/**
 * 获取替换文章中的图片路径
 * @param string $xstr 内容
 * @param string $oriweb 网址
 * @return string
 *
 */
function replaceimg($xstr, $oriweb){
  //保存路径
  $d = date('Ymd', time());
  $saveimgfile_1 = '/uploads/allimg/'.$d;
  $dirslsitss = DEDEROOT.$saveimgfile_1;//分类是否存在
  if(!is_dir($dirslsitss)) {
    @mkdir($dirslsitss, 0777);
  }
  //匹配图片的src
  preg_match_all('#<img.*?src="([^"]*)"[^>]*>#i', $xstr, $match);
  foreach($match[1] as $imgurl){
    $imgurl = $imgurl;
    if(is_int(strpos($imgurl, 'http'))){
      $arcurl = $imgurl;
    } else {
      $arcurl = $oriweb.$imgurl;
    }
    $img=file_get_contents($arcurl);
    if(!empty($img)) {
      //保存图片到服务器
      $fileimgname = time()."-".rand(1000,9999).".jpg";
      $filecachs=$dirslsitss."/".$fileimgname;
      $fanhuistr = file_put_contents( $filecachs, $img );
      $saveimgfile = $saveimgfile_1."/".$fileimgname;
      $xstr=str_replace($imgurl,$saveimgfile,$xstr);
    }
  }
  return $xstr;
}

I believe you have mastered the method after reading the case in this article, and more How exciting, please pay attention to other related articles on php Chinese website!

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