| /*
* Function: PHP perfect implementation download remote picture save to local
* Parameters: File URL, save file directory, save file name, use the download method
* Use the original name of the remote file when the save file name is empty
*/
function GetImage ($url, $save _dir= ', $filename = ', $type =0) {
if (Trim ($url) = = ") {
Return Array (' file_name ' => ', ' Save_path ' => ', ' Error ' =>1);
}
if (Trim ($save _dir) = = ") {
$save _dir= './';
}
if (Trim ($filename) = = ") {//save filename
$ext =strrchr ($url, '. ');
if ($ext!= '. gif ' && $ext!= '. jpg ') {
Return Array (' file_name ' => ', ' Save_path ' => ', ' Error ' =>3);
}
$filename =time (). $ext;
}
if (0!==strrpos ($save _dir, '/')) {
$save _dir.= '/';
}
Create a Save directory
if (!file_exists ($save _dir) &&!mkdir ($save _dir,0777,true)) {
Return Array (' file_name ' => ', ' Save_path ' => ', ' Error ' =>5);
}
Methods used to get remote files
if ($type) {
$ch =curl_init ();
$timeout = 5;
curl_setopt ($ch, Curlopt_url, $url);
curl_setopt ($ch, curlopt_returntransfer,1);
curl_setopt ($ch, Curlopt_connecttimeout, $timeout);
$img =curl_exec ($ch);
Curl_close ($ch);
}else{
Ob_start ();
ReadFile ($url);
$img =ob_get_contents ();
Ob_end_clean ();
}
$size =strlen ($IMG);
File size
$FP 2= @fopen ($save _dir. $filename, ' a ');
Fwrite ($fp 2, $img);
Fclose ($fp 2);
Unset ($img, $url);
Return Array (' file_name ' => $filename, ' Save_path ' => $save _dir. $filename, ' error ' =>0);
} |
