PHP图片采集简陋程序，各位大神拍砖轻点

<?php
$img =array(
    ‘jpg‘,
    ‘png‘,
    ‘gif‘,
    ‘bmp‘,
    ‘psd‘,
    ‘tif‘,
    ‘jpeg‘,
);
//$url = ‘http://www.3lian.com/down/pic/index_(2,5).html‘;
$url = ‘http://image.baidu.com/i?tn=baiduimage&ct=201326592&cl=2&lm=-1&st=-1&fm=result&fr=&sf=1&fmq=1348625333024_R&pv=&ic=0&nc=1&z=&se=1&showtab=0&fb=0&width=&height=&face=0&istype=2&word=%BA%E1%B7%F9‘;
$prel = ‘/\([0-9]+,[0-9]+\)/i‘;
$myurl;
if(preg_match($prel,$url,$arr)){
    $temp = substr($arr[0],1,strlen($arr[0])-2);
    $mymunber = explode(‘,‘,$temp);
    $temparr = explode($arr[0],$url);
    for($i=$mymunber[0];$i<=$mymunber[1];$i++){
        $myurl[] = $temparr[0].$i.$temparr[1];
    }
}else{
    $myurl = $url;
}
/* echo "<pre>";
print_r($myurl);
echo "</pre>"; */

$prel = ‘/(?:http?|https?):\/\/(?:[^\.\/\(\)\?]+)\.(?:[^\.\/]+)\.(?:com|cn|net|org)\/(?:[^\.:\"\‘\(\)\?]+)\.(jpg|png|gif)/i‘;
if(is_array($myurl)){
    $arr = array();
    $imgkey = array();
    foreach($myurl as $value){
        $code = file_get_contents($value);
        preg_match_all($prel,$code,$arrimg);
        $arr = array_merge($arr,$arrimg[0]);
        $imgkey = array_merge($imgkey,$arrimg[1]);
    }
    set_time_limit(0);
    if(!empty($arr)){
        echo ‘<pre>‘;
        print_r($arr);
        echo ‘</pre>‘;
        foreach($arr as $key=>$value){
            list($w,$h,$t,$a) = getimagesize($value);
            if($w<930 || $h<200){
                continue;
            }
            ob_start();
            readfile($value);
            $obj = ob_get_contents();
            ob_end_clean();
            $dir = ‘F:/php/‘;
            if(!is_dir($dir)){
                mkdir($dir,0777);
            }
            $filename = $dir.date(‘Ymd‘).rand(10000,99999).‘.‘.$imgkey[$key];
            $file = file_get_contents($value);
            $fo = @fopen($filename,‘a‘);
            $fw = fwrite($fo,$obj);
            if(in_array($imgkey[$key],$img)){
                echo ‘<img src="‘.$value.‘" />‘;
            }
        }
    }
}else{
    $code = file_get_contents($url);
    set_time_limit(0);
    if(preg_match_all($prel,$code,$arrimg)){
        echo ‘<pre>‘;
        print_r($arrimg);
        echo ‘</pre>‘;
        foreach($arrimg[0] as $key=>$value){
            list($w,$h,$t,$a) = @getimagesize($value);
            if($w<300 || $h<200){
                continue;
            }
            ob_start();
            readfile($value);
            $obj = ob_get_contents();
            ob_end_clean();
            $dir = ‘F:/php/‘;
            if(!is_dir($dir)){
                mkdir($dir,0777);
            }
            $filename = $dir.date(‘Ymd‘).rand(10000,99999).‘.‘.$arrimg[1][$key];
            $file = file_get_contents($value);
            $fo = @fopen($filename,‘a‘);
            $fw = fwrite($fo,$obj);
            if(in_array($arrimg[1][$key],$img)){
                echo ‘<img src="‘.$value.‘" />‘;
            }
        }
    }
}
echo ‘<script>alert("采集完成！")</script>‘;

?>