我能够解析并显示xml文件中的第一个对象但是无法回显第二个对象。
这是我获得的结果
noaa\weather\response\CurrentWeather Object
(
[xml:protected] => SimpleXMLElement Object
(
[@attributes] => Array
(
[version] => 1.2
)
[request_index] => 664770430
[data_source] => SimpleXMLElement Object
(
[@attributes] => Array
(
[name] => metars
)
)
[request] => SimpleXMLElement Object
(
[@attributes] => Array
(
[type] => retrieve
)
)
[errors] => SimpleXMLElement Object
(
)
[warnings] => SimpleXMLElement Object
(
)
[time_taken_ms] => 4
[data] => SimpleXMLElement Object
(
[@attributes] => Array
(
[num_results] => 4
)
[METAR] => Array
(
[0] => SimpleXMLElement Object
(
[raw_text] => EGGW 160750Z 21006KT 3400 BR SCT001 BKN003 05/05 Q1029
[station_id] => EGGW
[observation_time] => 2017-02-16T07:50:00Z
[latitude] => 51.87
[longitude] => -0.37
[temp_c] => 5.0
[dewpoint_c] => 5.0
[wind_dir_degrees] => 210
[wind_speed_kt] => 6
[visibility_statute_mi] => 2.11
[altim_in_hg] => 30.383858
[wx_string] => BR
[sky_condition] => Array
(
[0] => SimpleXMLElement Object
(
[@attributes] => Array
(
[sky_cover] => SCT
[cloud_base_ft_agl] => 100
)
)
[1] => SimpleXMLElement Object
(
[@attributes] => Array
(
[sky_cover] => BKN
[cloud_base_ft_agl] => 300
)
)
)
[flight_category] => LIFR
[metar_type] => METAR
[elevation_m] => 160.0
)
[1] => SimpleXMLElement Object
(
[raw_text] => EGNV 160750Z 21015KT 9999 SCT040 07/04 Q1023
[station_id] => EGNV
[observation_time] => 2017-02-16T07:50:00Z
[latitude] => 54.52
[longitude] => -1.42
[temp_c] => 7.0
[dewpoint_c] => 4.0
[wind_dir_degrees] => 210
[wind_speed_kt] => 15
[visibility_statute_mi] => 6.21
[altim_in_hg] => 30.206694
[sky_condition] => SimpleXMLElement Object
(
[@attributes] => Array
(
[sky_cover] => SCT
[cloud_base_ft_agl] => 4000
)
)
[flight_category] => VFR
[metar_type] => METAR
[elevation_m] => 37.0
)
)
)
[cachedValues:protected] => Array
(
[location] =>
[observation_time] => 2017-02-16T07:50:00Z
[temp_f] =>
[dewpoint_f] =>
[relative_humidity] =>
[wind_string] =>
[weather] =>
[raw_text] => EGGW 160750Z 21006KT 3400 BR SCT001 BKN003 05/05 Q1029
[station_id] => EGGW
[flight_category] => LIFR
[latitude] => 51.87
[longitude] => -0.37
[temp_c] => 5.0
[dewpoint_c] => 5.0
[wind_dir_degrees] => 210
[wind_speed_kt] => 6
[visibility_statute_mi] => 2.11
[altim_in_hg] => 30.383858
[wx_string] => BR
[sky_condition] =>
[elevation_m] => 160.0
)
[cachedValues2] => Array
(
[location] =>
[observation_time] => 2017-02-16T07:50:00Z
[temp_f] =>
[dewpoint_f] =>
[relative_humidity] =>
[wind_string] =>
[weather] =>
[raw_text] => EGNV 160750Z 21015KT 9999 SCT040 07/04 Q1023
[station_id] => EGNV
[flight_category] => VFR
[latitude] => 54.52
[longitude] => -1.42
[temp_c] => 7.0
[dewpoint_c] => 4.0
[wind_dir_degrees] => 210
[wind_speed_kt] => 15
[visibility_statute_mi] => 6.21
[altim_in_hg] => 30.206694
[wx_string] => BR
[sky_condition] =>
[elevation_m] => 37.0
)
)
以下是我用来回显第一个对象的代码的部分示例。哪个工作正常。
echo "Metar: " . $current->getRawF(). "\n";
echo "<hr>";
echo "<br>";
echo "Station ID: " . $current->getStationId() . ' (' . $current->getCat() .")" ;
无论我尝试过什么，我都能够回应任何第二个对象（egnv）。我希望得到一些帮助，指出我正确的方向。 谢谢您的帮助 史蒂夫