PHP实现发表文章时自动保存图片

$img_array = array();

$content1 = stripslashes($content1);

if (get_magic_quotes_gpc()) $content1 = stripslashes($content1);

//echo $content1;

preg_match_all("/(src│SRC)="(http://(. ).(gif│jpg│jpeg│bmp│png))/isU",$content1,$img_array);

$img_array = array_unique(dhtmlspecialchars($img_array[2]));

set_time_limit(0);

foreach ($img_array as $key => $value) {

$get_file = file_get_contents($value);

$filetime = time();

$filepath = "../uploadfile/".date("Y",$filetime)."/".date("m",$filetime)."/";

!is_dir($filepath) ? mkdirs($filepath) : null;

$filename = date("YmdHis",$filetime).random(1).'.'.substr($value,-3,3);

$fp = @fopen($filepath.$filename,"w");

@fwrite($fp,$get_file);

fclose($fp);

$content1 = preg_replace("/".addcslashes($value,"/")."/isU", "/uploadfile/".date("Y",$filetime)."/".date("m",$filetime)."/".$filename, $content1);

?>