php天气预报代码采集自中央气象台范围覆盖全国

php 天气预报代码如下:

 "北京",  
  "02" => "上海",  
  "03" => "天津",  
  "04" => "重庆",  
  "05" => "黑龙江",  
  "06" => "吉林",  
  "07" => "辽宁",  
  "08" => "内蒙古",  
  "09" => "河北",  
  "10" => "山西",  
  "11" => "陕西",  
  "12" => "山东",  
  "13" => "新疆",  
  "14" => "西藏",  
  "15" => "青海",  
  "16" => "甘肃",  
  "17" => "宁夏",  
  "18" => "河南",  
  "19" => "江苏",  
  "20" => "湖北",  
  "21" => "浙江",  
  "22" => "安徽",  
  "23" => "福建",  
  "24" => "江西",  
  "25" => "湖南",  
  "26" => "贵州",  
  "27" => "四川",  
  "28" => "广东",  
  "29" => "云南",  
  "30" => "广西",  
  "31" => "海南",  
  "32" => "香港",  
  "33" => "澳门",  
  "34" => "台湾" 
);  
function find(&$item,$key,$data){  
global $k;  
if(preg_match("/$item/u",$data)){  
   $k = $key;  
}  
}  
function get_data_arr($key){  
if(!file_exists("./data/city{$key}.xml")){  
$c =file_get_contents( "http://m.weather.com.cn/data5/city{$key}.xml" );  
file_put_contents("./data/city{$key}.xml",$c);  
}  
else{  
$c = file_get_contents("./data/city{$key}.xml");  
}  
   $arr = explode(",",$c);  
   foreach($arr as $v){  
   $data = explode("|",$v);  
   $ret[$data[0]] = $data[1];  
   } 
   return $ret;  
}  
array_walk($p_arr,&＃39;find&＃39;,$p);  
array_walk(get_data_arr($k),&＃39;find&＃39;,$p);  
array_walk(get_data_arr($k),&＃39;find&＃39;,$p);  
$ccode = get_data_arr($k);  
echo file_get_contents("http://m.weather.com.cn/data/{$ccode[$k]}.html");

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