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标题:
php获取远程图片的两种方式 curl socket
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作者:
luinstein
时间:
2012-10-16 20:07
标题:
php获取远程图片的两种方式 curl socket
方式一:Curl方式[已验证通过]
<?php
$url = "http://www.cxweb.com.cn/static/image/common/logo.png";
$filename = 'curl.gif';
//http://jb51.net
getImg($url, $filename);
/*
*@通过curl方式获取制定的图片到本地
*@ 完整的图片地址
*@ 要存储的文件名
*/
function getImg($url = "", $filename = "") {
if(is_dir(basename($filename))) {
echo "The Dir was not exits";
Return false;
}
//去除URL连接上面可能的引号
$url = preg_replace( '/(?:^[\'"]+|[\'"\/]+$)/', '', $url );
$hander = curl_init();
$fp = fopen($filename,'wb');
curl_setopt($hander,CURLOPT_URL,$url);
curl_setopt($hander,CURLOPT_FILE,$fp);
curl_setopt($hander,CURLOPT_HEADER,0);
curl_setopt($hander,CURLOPT_FOLLOWLOCATION,1);
//curl_setopt($hander,CURLOPT_RETURNTRANSFER,false);//以数据流的方式返回数据,当为false是直接显示出来
curl_setopt($hander,CURLOPT_TIMEOUT,60);
curl_exec($hander);
curl_close($hander);
fclose($fp);
Return true;
}
?>
复制代码
二、方式二Soket
<?php
$a = "http://www.cxweb.com.cn/static/image/common/logo.png";
$local = 'socket1.gif';
$aa = getImg($a,$local);
/*
*@ 完整的图片地址
*@ 要存储的文件名
*/
function getImg( $url = "", $filename = "" ) {
if(is_dir(basename($filename))) {
echo "The Dir was not exits";
Return false;
}
//去除URL连接上面可能的引号
$url = preg_replace( '/(?:^[\'"]+|[\'"\/]+$)/', '', $url );
if (!extension_loaded('sockets')) return false;
//获取url各相关信息
preg_match( '/http:\/\/([^\/\:]+(\:\d{1,5})?)(.*)/i', $url, $matches );
if (!$matches) return false;
$sock = socket_create( AF_INET, SOCK_STREAM, SOL_TCP );
if ( ( $sock, $matches[1], $matches[2] ? substr($matches[2], 1 ) : 80 ) ) {
return false;
}
//图片的相对地址
$msg = 'GET ' . $matches[3] . " HTTP/1.1\r\n";
//主机名称
$msg .= 'Host: ' . $matches[1] . "\r\n";
$msg .= 'Connection: Close' . "\r\n\r\n";
socket_write( $sock, $msg );
$bin = '';
while ( $tmp = socket_read( $sock, 10 ) ) {
$bin .= $tmp;
$tmp = '';
}
$bin = explode("\r\n\r\n", $bin);
$img = $bin[1];
$h = fopen( $filename, 'wb' );
$res = fwrite( $h, $img ) === false ? false : true;
@socket_close( $sock );
Return $res;
}
?>
复制代码
f
rom:
http://hi.baidu.com/yhyynh/blog/ ... 84fbb68326acb6.html
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