这段代码是个妙招,但它却有效。诀窍在于进行两次查询。首先我们查找靠近我们点的地方,这返回了很多商业场所。然后我们取其中一个地方的
城市,并使用这个城市来在
page
表中查找那个城市的页面。似乎有一个标准城市命名规则,但美国和非美国的城市不同。
一些小城市在
place
表中可能有不同的拼写,因此代码会循环遍历返回的地方,直到找到与
page
表中匹配的地方为止。
$fb_token = 'YOUR_TOKEN';
// Red Feather Lakes, Colorado
$lat = '40.8078';
$long = '-105.579';
// Karlsruhe, Germany
$lat = '49.037868';
$long = '8.350124';
$states_arr = array('AL'=>"Alabama",'AK'=>"Alaska",'AZ'=>"Arizona",'AR'=>"Arkansas",'CA'=>"California",'CO'=>"Colorado",'CT'=>"Connecticut",'DE'=>"Delaware",'FL'=>"Florida",'GA'=>"Georgia",'HI'=>"Hawaii",'ID'=>"Idaho",'IL'=>"Illinois", 'IN'=>"Indiana", 'IA'=>"Iowa", 'KS'=>"Kansas",'KY'=>"Kentucky",'LA'=>"Louisiana",'ME'=>"Maine",'MD'=>"Maryland", 'MA'=>"Massachusetts",'MI'=>"Michigan",'MN'=>"Minnesota",'MS'=>"Mississippi",'MO'=>"Missouri",'MT'=>"Montana",'NE'=>"Nebraska",'NV'=>"Nevada",'NH'=>"New Hampshire",'NJ'=>"New Jersey",'NM'=>"New Mexico",'NY'=>"New York",'NC'=>"North Carolina",'ND'=>"North Dakota",'OH'=>"Ohio",'OK'=>"Oklahoma", 'OR'=>"Oregon",'PA'=>"Pennsylvania",'RI'=>"Rhode Island",'SC'=>"South Carolina",'SD'=>"South Dakota",'TN'=>"Tennessee",'TX'=>"Texas",'UT'=>"Utah",'VT'=>"Vermont",'VA'=>"Virginia",'WA'=>"Washington",'DC'=>"Washington D.C.",'WV'=>"West Virginia",'WI'=>"Wisconsin",'WY'=>"Wyoming");
$place_search = json_decode(file_get_contents('https://graph.facebook.com/search?type=place¢er=' . $lat . ',' . $long . '&distance=10000&access_token=' . $fb_token));
foreach($place_search->data as $result) {
if ($result->location->city) {
$city = $result->location->city;
$state = $result->location->state;
$country = $result->location->country;
if ($country=='United States') {
$city_name = $city . ', ' . $states_arr[$state]; // e.g. 'Chicago, Illinois'
}
else {
$city_name = $city . ', ' . $country; // e.g. 'Rome, Italy'
}
$fql = 'SELECT name,page_id,name,description,type,location FROM page WHERE type="CITY" and name="' .$city_name. '"';
$result = json_decode(file_get_contents('https://graph.facebook.com/fql?q=' . rawurlencode($fql) . '&access_token=' . $fb_token));
if (count($result->data)>0) {
// We found it!
print_r($result);
break;
}
else {
// No luck, try the next place
print ("Couldn't find " . $city_name . "\n");
}
}
}