Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

WC_Geo_IP::_common_get_record( string $seek_country )

Common get record.


Description Description


Parameters Parameters

$seek_country

(Required)


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Return Return

(WC_Geo_IP_Record) instance


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Source Source

File: includes/class-wc-geo-ip.php

	private function _common_get_record( $seek_country ) {
		// workaround php's broken substr, strpos, etc handling with
		// mbstring.func_overload and mbstring.internal_encoding
		$mbExists = extension_loaded( 'mbstring' );
		if ( $mbExists ) {
			$enc = mb_internal_encoding();
			mb_internal_encoding( 'ISO-8859-1' );
		}

		$record_pointer = $seek_country + ( 2 * $this->record_length - 1 ) * $this->databaseSegments;

		if ( $this->flags & self::GEOIP_MEMORY_CACHE ) {
			$record_buf = substr( $this->memory_buffer, $record_pointer, FULL_RECORD_LENGTH );
		} elseif ( $this->flags & self::GEOIP_SHARED_MEMORY ) {
			$record_buf = @shmop_read( $this->shmid, $record_pointer, FULL_RECORD_LENGTH );
		} else {
			fseek( $this->filehandle, $record_pointer, SEEK_SET );
			$record_buf = fread( $this->filehandle, FULL_RECORD_LENGTH );
		}

		$record                 = new WC_Geo_IP_Record();
		$record_buf_pos         = 0;
		$char                   = ord( substr( $record_buf, $record_buf_pos, 1 ) );
		$record->country_code   = $this->GEOIP_COUNTRY_CODES[ $char ];
		$record->country_code3  = $this->GEOIP_COUNTRY_CODES3[ $char ];
		$record->country_name   = $this->GEOIP_COUNTRY_NAMES[ $char ];
		$record->continent_code = $this->GEOIP_CONTINENT_CODES[ $char ];
		$str_length             = 0;

		$record_buf_pos++;

		// Get region
		$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
		while ( 0 != $char ) {
			$str_length++;
			$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
		}

		if ( $str_length > 0 ) {
			$record->region = substr( $record_buf, $record_buf_pos, $str_length );
		}

		$record_buf_pos += $str_length + 1;
		$str_length      = 0;

		// Get city
		$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
		while ( 0 != $char ) {
			$str_length++;
			$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
		}

		if ( $str_length > 0 ) {
			$record->city = substr( $record_buf, $record_buf_pos, $str_length );
		}

		$record_buf_pos += $str_length + 1;
		$str_length      = 0;

		// Get postal code
		$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
		while ( 0 != $char ) {
			$str_length++;
			$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
		}

		if ( $str_length > 0 ) {
			$record->postal_code = substr( $record_buf, $record_buf_pos, $str_length );
		}

		$record_buf_pos += $str_length + 1;

		// Get latitude and longitude
		$latitude  = 0;
		$longitude = 0;
		for ( $j = 0; $j < 3; ++$j ) {
			$char      = ord( substr( $record_buf, $record_buf_pos++, 1 ) );
			$latitude += ( $char << ( $j * 8 ) );
		}

		$record->latitude = ( $latitude / 10000 ) - 180;

		for ( $j = 0; $j < 3; ++$j ) {
			$char       = ord( substr( $record_buf, $record_buf_pos++, 1 ) );
			$longitude += ( $char << ( $j * 8 ) );
		}

		$record->longitude = ( $longitude / 10000 ) - 180;

		if ( self::GEOIP_CITY_EDITION_REV1 == $this->databaseType ) {
			$metroarea_combo = 0;
			if ( 'US' === $record->country_code ) {
				for ( $j = 0; $j < 3; ++$j ) {
					$char             = ord( substr( $record_buf, $record_buf_pos++, 1 ) );
					$metroarea_combo += ( $char << ( $j * 8 ) );
				}

				$record->metro_code = $record->dma_code = floor( $metroarea_combo / 1000 );
				$record->area_code  = $metroarea_combo % 1000;
			}
		}

		if ( $mbExists ) {
			mb_internal_encoding( $enc );
		}

		return $record;
	}


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