我已經使用Wordpress構建了一個網站。發佈/更新Wordpress頁面上的運行代碼
我有一個具有以下代碼的模板,它對地址進行地理編碼並將結果保存到新數據庫中。
然後我有另一個模板,從新數據庫中讀取所有緯度/經度,並在Google地圖上繪製數百個標記。
問題是僅當有人訪問該頁面時纔會發生地理編碼。這會產生一些問題 - 1)每當有人訪問該頁面時,都會對其進行地理編碼。 2)只有當有人訪問該頁面時才進行地理編碼!
當Wordpress發佈/更新頁面時,有沒有辦法一次運行這段代碼?
本節抓起從WordPress的公司信息,並將其插入到數據庫:
$company = get_field('company_name');
$address = get_field('address');
$city = get_field('city');
$post_code = get_field('post_code');
$sql = sprintf("select count('x') as cnt from markers where `name` = '%s'", mysql_real_escape_string($company));
$row_dup = mysql_fetch_assoc(mysql_query($sql,$con));
if ($row_dup['cnt'] == 0) {
mysql_query("INSERT INTO markers (`name`, `address`, `lat`, `lng`, `type`) VALUES ('".$company."', '".$address.", ".$city.", ".$post_code."', '0.0', '0.0', '')");
}
wp_reset_query();
下面是完整的代碼:
<?php
require("database.php");
// Opens a connection to a MySQL server
$con = mysql_connect("localhost", $username, $password);
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("medicom_wp", $con);
$company = get_field('company_name');
$address = get_field('address');
$city = get_field('city');
$post_code = get_field('post_code');
$sql = sprintf("select count('x') as cnt from markers where `name` = '%s'", mysql_real_escape_string($company));
$row_dup = mysql_fetch_assoc(mysql_query($sql,$con));
if ($row_dup['cnt'] == 0) {
mysql_query("INSERT INTO markers (`name`, `address`, `lat`, `lng`, `type`) VALUES ('".$company."', '".$address.", ".$city.", ".$post_code."', '0.0', '0.0', '')");
}
wp_reset_query();
define("MAPS_HOST", "maps.google.com");
define("KEY", "");
// Opens a connection to a MySQL server
$connection = mysql_connect("localhost", $username, $password);
if (!$connection) {
die("Not connected : " . mysql_error());
}
// Set the active MySQL database
$db_selected = mysql_select_db($database, $connection);
if (!$db_selected) {
die("Can\'t use db : " . mysql_error());
}
// Select all the rows in the markers table
$query = "SELECT * FROM markers WHERE 1";
$result = mysql_query($query);
if (!$result) {
die("Invalid query: " . mysql_error());
}
// Initialize delay in geocode speed
$delay = 0;
$base_url = "http://" . MAPS_HOST . "/maps/geo?output=xml" . "&key=" . KEY;
// Iterate through the rows, geocoding each address
while ($row = @mysql_fetch_assoc($result)) {
$geocode_pending = true;
while ($geocode_pending) {
$address = $row["address"];
$id = $row["id"];
$request_url = $base_url . "&q=" . urlencode($address);
$xml = simplexml_load_file($request_url) or die("url not loading");
$status = $xml->Response->Status->code;
if (strcmp($status, "200") == 0) {
// Successful geocode
$geocode_pending = false;
$coordinates = $xml->Response->Placemark->Point->coordinates;
$coordinatesSplit = split(",", $coordinates);
// Format: Longitude, Latitude, Altitude
$lat = $coordinatesSplit[1];
$lng = $coordinatesSplit[0];
$query = sprintf("UPDATE markers " .
" SET lat = '%s', lng = '%s' " .
" WHERE id = '%s' LIMIT 1;",
mysql_real_escape_string($lat),
mysql_real_escape_string($lng),
mysql_real_escape_string($id));
$update_result = mysql_query($query);
if (!$update_result) {
die("Invalid query: " . mysql_error());
}
} else if (strcmp($status, "620") == 0) {
// sent geocodes too fast
$delay += 1000;
} else {
// failure to geocode
$geocode_pending = false;
echo "Address " . $address . " failed to geocoded. ";
echo "Received status " . $status . "
\n";
}
usleep($delay);
}
}
?>
好的謝謝。所以像這樣'<?php add_action('publish_post','my_custom_function'); ?>會在我的functions.php文件中去觸發我想要的腳本? – Rob
就是這樣的。第二個參數是觸發動作「publish_post」時將調用的函數的名稱。 – xCander
要清楚,我想要發生管理區域的唯一事情是點擊發布/更新。然後在模板上,我想檢查帖子是否已保存,如果是,那麼我想用'get_template_part('geocode'); – Rob