base64图片处理

/**

* @param $url

* @param int $type

* @param int $timeout

* @return array

*/

function base64EncodeImage ( $url , $type = 0 , $timeout = 30 ) {

$msg = [ 'code' => 2100 , 'status' => 'error' , 'msg' => ' 未知错误！ ' ];

$imgs = [ 'image/jpeg' => 'jpeg' ,

'image/jpg' => 'jpg' ,

'image/gif' => 'gif' ,

'image/png' => 'png' ,

'text/html' => 'html' ,

'text/plain' => 'txt' ,

'image/pjpeg' => 'jpg' ,

'image/x-png' => 'png' ,

'image/x-icon' => 'ico'

];

if (! stristr ( $url , 'http' )){

$msg [ 'code' ]= 2101 ;

$msg [ 'msg' ] = 'url 地址不正确 !' ;

return $msg ;

}

$dir = pathinfo ( $url );

//var_dump($dir);

$host = $dir [ 'dirname' ];

$refer = $host . '/' ;

$ch = curl_init ( $url );

curl_setopt ( $ch , CURLOPT_REFERER , $refer ); // 伪造来源地址

curl_setopt ( $ch , CURLOPT_RETURNTRANSFER , 1 ); // 返回变量内容还是直接输出字符串 ,0 输出 ,1 返回内容

curl_setopt ( $ch , CURLOPT_BINARYTRANSFER , 1 ); // 在启用 CURLOPT_RETURNTRANSFER 的时候，返回原生的（ Raw ）输出

curl_setopt ( $ch , CURLOPT_HEADER , 0 ); // 是否输出 HEADER 头信息 0 否 1 是

curl_setopt ( $ch , CURLOPT_CONNECTTIMEOUT , $timeout ); // 超时时间

$data = curl_exec ( $ch );

//$httpCode = curl_getinfo($ch,CURLINFO_HTTP_CODE);

//$httpContentType = curl_getinfo($ch,CURLINFO_CONTENT_TYPE);

$info = curl_getinfo ( $ch );

curl_close ( $ch );

$httpCode = intval ( $info [ 'http_code' ]);

$httpContentType = $info [ 'content_type' ];

$httpSizeDownload = intval ( $info [ 'size_download' ]);

if ( $httpCode != '200' ){

$msg [ 'code' ]= 2102 ;

$msg [ 'msg' ] = 'url 返回内容不正确！ ' ;

return $msg ;

}

if ( $type > 0 && ! isset ( $imgs [ $httpContentType ])){

$msg [ 'code' ]= 2103 ;

$msg [ 'msg' ] = 'url 资源类型未知！ ' ;

return $msg ;

}

if ( $httpSizeDownload < 1 ){

$msg [ 'code' ]= 2104 ;

$msg [ 'msg' ] = ' 内容大小不正确！ ' ;

return $msg ;

}

$msg [ 'code' ] = 200 ;

$msg [ 'status' ]= 'success' ;

$msg [ 'msg' ] = ' 资源获取成功 ' ;

if ( $type == 0 or $httpContentType == 'text/html' ) $msg [ 'data' ] = $data ;

$base_64 = base64_encode ( $data );

if ( $type == 1 ) $msg [ 'data' ] = $base_64 ;

elseif ( $type == 2 ) $msg [ 'data' ] = "data: { $httpContentType } ;base64, { $base_64 } " ;

elseif ( $type == 3 ) $msg [ 'data' ] = "data: { $httpContentType } ;base64, { $base_64 } " ;

else $msg [ 'msg' ] = ' 未知返回需求！ ' ;

unset ( $info , $data , $base_64 );

return $msg ;

}