PHP:根据IP地址获取所在城市
欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入 if ( $useripFlag == chr( 2 ) ) { $AddrSeek = fread( $fd, 3 ); if ( strlen( $AddrSeek ) 3 ) { fclose( $fd ); return 'System Error'; } $useripFlag = fread( $fd, 1 ); if
欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入
if ( $useripFlag == chr( 2 ) ) {
$AddrSeek = fread( $fd, 3 );
if ( strlen( $AddrSeek )
fclose( $fd );
return 'System Error';
}
$useripFlag = fread( $fd, 1 );
if ( $useripFlag == chr( 2 ) ) {
$AddrSeek2 = fread( $fd, 3 );
if ( strlen( $AddrSeek2 )
fclose( $fd );
return 'System Error';
}
$AddrSeek2 = implode( '', unpack( 'L', $AddrSeek2 . chr( 0 ) ) );
fseek( $fd, $AddrSeek2 );
} else {
fseek( $fd, -1, SEEK_CUR );
}
while ( ($char = fread( $fd, 1 )) != chr( 0 ) )
$useripAddr2 .= $char;
$AddrSeek = implode( '', unpack( 'L', $AddrSeek . chr( 0 ) ) );
fseek( $fd, $AddrSeek );
while ( ($char = fread( $fd, 1 )) != chr( 0 ) )
$useripAddr1 .= $char;
} else {
fseek( $fd, -1, SEEK_CUR );
while ( ($char = fread( $fd, 1 )) != chr( 0 ) )
$useripAddr1 .= $char;
$useripFlag = fread( $fd, 1 );
if ( $useripFlag == chr( 2 ) ) {
$AddrSeek2 = fread( $fd, 3 );
if ( strlen( $AddrSeek2 )
fclose( $fd );
return 'System Error';
}
$AddrSeek2 = implode( '', unpack( 'L', $AddrSeek2 . chr( 0 ) ) );
fseek( $fd, $AddrSeek2 );
} else {
fseek( $fd, -1, SEEK_CUR );
}
while ( ($char = fread( $fd, 1 )) != chr( 0 ) ) {
$useripAddr2 .= $char;
}
}
fclose( $fd );
//返回IP地址对应的城市结果
if ( preg_match( '/http/i', $useripAddr2 ) ) {
$useripAddr2 = '';
}
$useripaddr = "$useripAddr1 $useripAddr2";
$useripaddr = preg_replace( '/CZ88.Net/is', '', $useripaddr );
$useripaddr = preg_replace( '/^s*/is', '', $useripaddr );
$useripaddr = preg_replace( '/s*$/is', '', $useripaddr );
if ( preg_match( '/http/i', $useripaddr ) || $useripaddr == '' ) {
$useripaddr = 'No Data';
} elseif ( !$this->is_utf8( $useripaddr ) ) {
$useripaddr = iconv( 'GBK', 'UTF-8', $useripaddr );
}
return $useripaddr;
}
/**
* 判断是否我utf-8编码的字符串
* @param type $string
* @return boolean
*/
private function is_utf8( $string ) {
if ( preg_match( "/^([" . chr( 228 ) . "-" . chr( 233 ) . "]{1}[" . chr( 128 ) . "-" . chr( 191 ) . "]{1}[" . chr( 128 ) . "-" . chr( 191 ) . "]{1}){1}/", $string ) == true || preg_match( "/([" . chr( 228 ) . "-" . chr( 233 ) . "]{1}[" . chr( 128 ) . "-" . chr( 191 ) . "]{1}[" . chr( 128 ) . "-" . chr( 191 ) . "]{1}){1}$/", $string ) == true || preg_match( "/([" . chr( 228 ) . "-" . chr( 233 ) . "]{1}[" . chr( 128 ) . "-" . chr( 191 ) . "]{1}[" . chr( 128 ) . "-" . chr( 191 ) . "]{1}){2,}/", $string ) == true ) {
return true;
} else {
return false;
}
}
}
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使用演示:
?
1
2
3
4 include FCPATH . 'plugin/ipLocation/ipCity.class.php';
$city = new ipCity();
$addr = $city->getCity( '172.0.0.1' );
echo $addr; // echo 本地地址
[1] [2]

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