Sometimes our editors copied picture is remote, you need to download to a local server.
1, extract a remote image
/ *
* Function: php perfect Realization of remote image is saved to the local
* Parameters: file url, save the file directory, save the file name to download using
* When you save the file name is empty when the original name of the remote file, use
* /
Private the getImage function ($ URL, filename = $ '', $ type = 0) {
IF (TRIM ($ URL) == '') {
return Array ( 'file_name' => '', 'the save_path' => '', 'error' =>. 1);
}
$ filePath = 'Upload / Content /' DATE. ( 'Ymd');
// IF (TRIM ($ save_dir) == '') {
.. = $ save_dir root_path the DS 'WWW '.. the DS $ filePath;
//}
IF (TRIM ($ filename) ==' ') {// file name to save
$ EXT = The strrchr (URL $,'. ');
!. IF (EXT = $' GIF '&& $ ext! ='. jpg '){
return array('file_name'=>'','save_path'=>'','error'=>3);
}
filename = Time $ () $ EXT;.
}
IF (! 0 == strrpos ($ save_dir, '/')) {
$ save_dir = '/';.
}
// create a storage directory
if (file_exists ($ save_dir)! ! && mkdir ($ save_dir, 0777, to true)) {
return Array ( 'file_name' => '', 'the save_path' => '', 'error' =>. 5);
}
method of obtaining remote file // employed
IF ($ type) {
$ CH = curl_init ();
$ timeout =. 5;
curl_setopt ($ CH, CURLOPT_URL to, $ URL);
curl_setopt ($ CH, CURLOPT_RETURNTRANSFER,. 1);
curl_setopt ($ CH, CURLOPT_CONNECTTIMEOUT, $ timeout);
$ img = curl_exec ($ ch) ;
if($img==false)
{
return array('file_name'=>'','save_path'=>'','error'=>6);
}
curl_close($ch);
}else{
ob_start();
readfile($url);
$img=ob_get_contents();
ob_end_clean();
}
//$size=strlen($img);
//文件大小
$fp2=@fopen($save_dir.$filename,'a');
fwrite($fp2,$img);
fclose($fp2);
unset($img,$url);
return array('file_name'=>$filename,'save_path'=>DS.$filePath,'error'=>0);
}
Alternatively the editor of the content 2, the content acquisition editor, using the above method
/ * Save the remote to the local image * @param $ Content content editor @return $ content had returned content replacement * / protected function getRempotePicToLocation ($ Content) { preg_match_all ( ' / <IMG [^ "] + = the src" ([^ "] +) \" / ' , $ Content, $ The matches); IF ($ The matches) { $ imgList = $ The matches [ . 1 ]; the foreach ($ imgList AS $ or matches -) { IF (the strpos ($ or matches -, ' HTTP ' )> = 0 ) { / * file name and extension to get the current file * / preg_match('/\/([^\/]+\.[a-z]+)[^\/]*$/',$matche,$fileInfo); $info=$this->getImage($matche,$fileInfo[1],0); if($info['error']==0) { $content=str_replace($matche,$info['save_path'].DS.$info['file_name'],$content); } } } } return $content; }