Get the remote picture and save it to the local

<?php

//
Function: Gets the remote picture and saves it to the local
//
//
Determine if you have permission to write files to the local server
//
//
Variable Description:
$url is the full URL address of the remote picture and cannot be empty.
$filename is an optional variable: If NULL, local file names are based on time and date
Automatically generated.

function Grabimage ($url, $filename = "") {
if ($url = = ""): return false;endif;

if ($filename = = "") {
$ext =STRRCHR ($url, ".");
if ($ext!= ". gif" && $ext!= ". jpg"): return false;endif;
$filename =date ("Dmyhis"). $ext;
}

Ob_start ();
ReadFile ($url);
$img = Ob_get_contents ();
Ob_end_clean ();
$size = strlen ($img);

$FP 2= @fopen ($filename, "a");
Fwrite ($fp 2, $img);
Fclose ($fp 2);

return $filename;
}


$img =grabimage ("Http://news.bbc.co.uk/images/_1978837_detector_ap100.jpg", "");
if ($img): Echo ' <pre></pre> ';
Else:echo "false";
endif

?>