在插件数据库中插入数组

试图创建一个插件，在wordpress数据库中提交数组数据时遇到一些问题。

$formDATA获取数组值现在问题是何时

    $sql = "INSERT INTO `".$table_name ."` (`paid_arr`) VALUES \'".$formDATA."\'";

   $result  = $wpdb->insert($table_name,$formDATA);

收到奇怪的警告和错误，无法在wp DB中插入数据。

  Warning: array_keys() expects parameter 1 to be array, string given in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1316

 Warning: Invalid argument supplied for foreach() in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1318

  Warning: implode() [function.implode]: Invalid arguments passed in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1327

这里是php代码；

$formDATA = array(
    \'fname\'     => $fname,
    \'lname\'     => $lname,
    \'email\'     => $paidemail,
    \'Phone\'     => $paidphone,
    \'gender\'    => $gender,
    \'hobbies\'   => $interest,
    \'hear\'      => $city,
    \'message\'   => $message_field,
    \'time\'      => $curtime
 );

formsubmitpaid($formDATA);       

function formsubmitpaid( $formDATA ) {

global $wpdb;
$formDATA = json_encode($formDATA);
$table_name = $wpdb->prefix . "padi_forms";
$sql = "INSERT INTO `".$table_name ."` (`paid_arr`) VALUES \'".$formDATA."\'";
$result  = $wpdb->insert($table_name,$formDATA);

if( !$result ){
    echo \'<script>alert("dfdf")</script>\';
} else {
    echo \'<script>alert("No")</script>\';
 }
print_r($sql);
print_r($result);

}

$formDATA = array( \'fname\' => $fname, \'lname\' => $lname, \'email\' => $paidemail, \'Phone\' => $paidphone, \'gender\' => $gender, \'hobbies\' => $interest, \'hear\' => $city, \'message\' => $message_field, \'time\' => $curtime ); formsubmitpaid($formDATA); function formsubmitpaid($formDATA) { global $wpdb; $table_name = $wpdb->prefix . "padi_forms"; $result = $wpdb->insert( $table_name, $formDATA, array( \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\', \'%s\' ) ); if( $result === false ) echo \'Error\'; else echo \'success\'; }

private functions in plugins

我开发了两个插件，其中一个功能相同（相同的名称，相同的功能）。当试图激活两个插件时，Wordpress会抛出一个错误，因为它不允许我以相同的名称定义函数两次。有没有一种方法可以使这个函数只对插件私有，而不使用面向对象编程，也不简单地重命名函数？我不想使用OOP，因为我首先要学习它。此外，我不想重命名该函数，因为我可能也想在其他插件中使用它，而重命名感觉不太合适。

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private functions in plugins