function myGetImageSize( $url , $type = 'curl' , $isGetFilesize = false)
{
$type = $isGetFilesize ? 'fread' : $type ;
if ( $type == 'fread' ) {
$handle = fopen ( $url , 'rb' );
if (! $handle ) return false;
$dataBlock = fread ( $handle , 168);
}
else {
$ch = curl_init( $url );
curl_setopt( $ch , CURLOPT_TIMEOUT, 5);
curl_setopt( $ch , CURLOPT_RANGE, '0-167' );
curl_setopt( $ch , CURLOPT_FOLLOWLOCATION, 1);
curl_setopt( $ch , CURLOPT_RETURNTRANSFER, true);
$dataBlock = curl_exec( $ch );
curl_close( $ch );
if (! $dataBlock ) return false;
}
$size = getimagesize ( 'data://image/jpeg;base64,' . base64_encode ( $dataBlock ));
if ( empty ( $size )) {
return false;
}
$result [ 'width' ] = $size [0];
$result [ 'height' ] = $size [1];
if ( $isGetFilesize ) {
$meta = stream_get_meta_data( $handle );
$dataInfo = isset( $meta [ 'wrapper_data' ][ 'headers' ]) ? $meta [ 'wrapper_data' ][ 'headers' ] : $meta [ 'wrapper_data' ];
foreach ( $dataInfo as $va ) {
if ( preg_match( '/length/iU' , $va )) {
$ts = explode ( ':' , $va );
$result [ 'size' ] = trim( array_pop ( $ts ));
break ;
}
}
}
if ( $type == 'fread' ) fclose( $handle );
return $result ;
}
echo '<pre>' ;
$result = myGetImageSize( 'http://s6.mogujie.cn/b7/bao/120630/2kpa6_kqywusdel5bfqrlwgfjeg5sckzsew_345x483.jpg_225x999.jpg' , 'curl' );
print_r( $result );
echo '<hr />' ;
$result = myGetImageSize( 'http://s5.mogujie.cn/b7/bao/120629/6d3or_kqytasdel5bgevsugfjeg5sckzsew_801x1193.jpg' , 'fread' );
print_r( $result );
echo '<hr />' ;
$result = myGetImageSize( 'http://hiphotos.baidu.com/zhengmingjiang/pic/item/1c5f338c6d22d797503d92f9.jpg' , 'fread' , true);
print_r( $result );
echo '<hr />' ;
$result = myGetImageSize( 'http://www.vegandocumentary.com/wp-content/uploads/2009/01/imveganlogotransparentbackground.png' , 'curl' , true);
print_r( $result );
echo '<hr />' ;
$result = myGetImageSize( 'http://jiaoyou.ai9475.com/front/templates/jiaoyou/styles/default/image/ad_pic_1.gif' , 'fread' );
print_r( $result );
|