Php downloads Web images in batches and replaces them with the local path. Now we want to copy the content with images from other websites to our website. in this way, I have to download images from other websites and save them to my local computer, replace the image address in the content with the image address. now we want to copy the image content from another website to our website. in this way, I must download the image from another website and save it locally, replace the image address in the content with our local address. here we need to use the three functions preg_match_all, file_get_contents, and str_replace in php.
I copied an article and found that the image paths are from other websites. how can I download these images to a local directory with one click and change them to a local path.
The code is as follows: |
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/** * Obtain the image path in the replacement document. * @ Param string $ xstr content of the webpage * @ Param string $ the name of the file in which the keyword creates the photo. I wrote upimg. * @ Param string $ oriweb URL is generally null * @ Return string * */ Function replaceimg ($ xstr, $ keyword, $ oriweb ){ $ Basedir = dirname (_ FILE __); // Save path $ D = date ('ymm', time ()); $ Dirslsitss = $ basedir. '/.../uploads/'. $ keyword. '/'. $ d; // whether the category exists If (! Is_dir ($ dirslsitss )){ @ Mkdir ($ dirserver load balancer, 0777 ); } // Match the image's src Preg_match_all ('#] *> # 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 the image to the server $ Fileimgname = time (). "-". rand (, 9999). ". jpg "; $ Filecachs = $ dirslsitss. "/". $ fileimgname; $ Fanhuistr = file_put_contents ($ filecachs, $ img ); $ Saveimgfile = "/uploads/$ keyword". "/". $ d. "/". $ fileimgname; $ Xstr = str_replace ($ imgurl, $ saveimgfile, $ xstr ); } } Return $ xstr; } |
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