Home > Backend Development > PHP Tutorial > 微信开发 - php下载网络图片问题,在本地测试成功,服务器上下载回来的文件只有100多字节

微信开发 - php下载网络图片问题,在本地测试成功,服务器上下载回来的文件只有100多字节

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Release: 2016-06-06 20:19:21
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<code>function getUrlImg2($url,$filename=""){
    if(!createDirs(dirname($filename))){
        die('无法创建文件夹');
    }
    if(!$url)
        die('无url');

    ob_start();
    readfile($url);
    $img = ob_get_contents();
    ob_end_clean();
    $size = strlen($img);
    if($size){
        $fp2=@fopen($filename, "a");
        fwrite($fp2,$img);
        fclose($fp2);

        return $filename;
    }else
        return false;
}
function getUrlImg3($url,$filename=""){
    if(!createDirs(dirname($filename))){
        die('无法创建文件夹');
    }
    if(!$url)
        die('无url');

    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_NOBODY, 0);    //只取body头
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $package = curl_exec($ch);
    $httpinfo = curl_getinfo($ch);
    curl_close($ch);
    $imageAll = array_merge(array('header' => $httpinfo), array('body' => $package));
    //上半部是下载,下半部是保存
    if($package){
        $local_file = fopen($filename, 'w');
        if (false !== $local_file){
            if (false !== fwrite($local_file, $package)){
                fclose($local_file);
                return true;
            }
        }
    }
    return false;
}
</code>
Copy after login
Copy after login

上面两个方法在本地测试都是可以的,但是放到服务器上,下载回来的图片都只有100多字节,图片还打不开。这个方法是用在向微信服务器获取图片用的,请问是不是php.ini里的相关设置造成的?改哪些设置可以弄好?

这个问题已被关闭,原因:原来是我本地调试的时候把access_token更新了,服务器上缓存的token就没用了,所以才会出现这个问题,更新了服务器的token就行了

回复内容:

<code>function getUrlImg2($url,$filename=""){
    if(!createDirs(dirname($filename))){
        die('无法创建文件夹');
    }
    if(!$url)
        die('无url');

    ob_start();
    readfile($url);
    $img = ob_get_contents();
    ob_end_clean();
    $size = strlen($img);
    if($size){
        $fp2=@fopen($filename, "a");
        fwrite($fp2,$img);
        fclose($fp2);

        return $filename;
    }else
        return false;
}
function getUrlImg3($url,$filename=""){
    if(!createDirs(dirname($filename))){
        die('无法创建文件夹');
    }
    if(!$url)
        die('无url');

    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_NOBODY, 0);    //只取body头
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $package = curl_exec($ch);
    $httpinfo = curl_getinfo($ch);
    curl_close($ch);
    $imageAll = array_merge(array('header' => $httpinfo), array('body' => $package));
    //上半部是下载,下半部是保存
    if($package){
        $local_file = fopen($filename, 'w');
        if (false !== $local_file){
            if (false !== fwrite($local_file, $package)){
                fclose($local_file);
                return true;
            }
        }
    }
    return false;
}
</code>
Copy after login
Copy after login

上面两个方法在本地测试都是可以的,但是放到服务器上,下载回来的图片都只有100多字节,图片还打不开。这个方法是用在向微信服务器获取图片用的,请问是不是php.ini里的相关设置造成的?改哪些设置可以弄好?

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