PHP Capture the image in the article to get replaced to local

This article is the PHP acquisition of the article in the image acquisition replacement to the local implementation code for a detailed analysis of the introduction, the need for friends under the reference copy code code as follows:

/**


* Gets the path to replace the picture in the article


* @param string $xstr content


* @param string $keyword Create a file name for the photo


* @param string $oriweb URL


* @return String


 *


 */


function replaceimg ($xstr, $keyword, $oriweb) {





//save path


$d = Date (' Ymd ', Time ());


$dirslsitss = '/var/www/weblist/uploads/'. $keyword. ' /'. $d;//Whether the classification exists


if (!is_dir ($DIRSLSITSS)) {


@mkdir ($DIRSLSITSS, 0777);


    }





//matching picture of 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)) {





//Save picture to server


$fileimgname = time (). " -". Rand (1000,9999).". JPG ";


$filecachs = $dirslsitss. " /". $fileimgname;


$fanhuistr = file_put_contents ($filecachs, $img);


$saveimgfile = "/uploads/$keyword". /". $d." /". $fileimgname;





           


$xstr =str_replace ($imgurl, $saveimgfile, $XSTR);


        }


    }


return $xstr;


}