从表单输入简化数组的php验证
我正在创建一个页面，您可以在其中保存对足球比赛的预测。 每周有9场比赛，用户可以通过表单发布对比赛的预测。 此表单的结果将生成以下数组： Array ( [week] => 12 [game_id_1] => 28 [game_1_home] => 2 [game_1_away] => 2 [game_id_2] => 29 [game_2_home] => 2 [game_2_away] => 1 [game_id_3] => 31 [game_3_home] => 4 [game_3_away] => 0 [game_id_4] => 30 [game_4_home] => 2 [game_4_away] => 0 [game_id_5] => 32 [game_5_home] => 0 [game_5_away] => 2 [game_id_6] => 33 [game_6_home] => 1 [game_6_away] => 0 [game_id_7] => 35 [game_7_home] => 1 [game_7_away] => 1 [game_id_8] => 34 [game_8_home] => 2 [game_8_away] => 4 [game_id_9] => 36 [game_9_home] => 3 [game_9_away] => 0 )从表单输入简化数组的php验证,php,validation,Php,Validation,我正在创建一个页面，您可以在其中保存对足球比赛的预测。 每周有9场比赛，用户可以通过表单发布对比赛的预测。 此表单的结果将生成以下数组： Array ( [week] => 12 [game_id_1] => 28 [game_1_home] => 2 [game_1_away] => 2 [game_id_2] => 29 [game_2_home] => 2 [game_2_away] => 1 [game_id_3] => 3
您可以而且应该使用循环来避免多次复制代码。您说有9个游戏，因此您可以执行以下操作：
$blnOK = true;
$strResult = "";
if ($_SERVER["REQUEST_METHOD"] == "POST")
{
for ($i = 1; $i <= 9; $i++)
{
if (isset($_POST['game_id_' . $i]) && !empty($_POST['game_' . $i . '_home']) && !empty($_POST['game_' . $i . '_away']))
//check if the posts are not empty, then put in variables
{
$strGame_id = $_POST['game_id_' . $i];
$strGame_home = $_POST['game_' . $i . '_home'];
$strGame_away = $_POST['game_' . $i . '_away'];
//Check if strings are numeric
if ((ctype_digit($strGame_' . $i . '_home)) && (ctype_digit($strGame_' . $i . '_away)))
{
//Check if prediction already exists in database for user
$strQueryPrediction = "SELECT count(id) amount FROM prediction where player_id = 1 and game_id = $strGame_id";
$resultQueryPrediction = mysql_query ($strQueryPrediction);
$intPredictionKnown = mysql_result($resultQueryPrediction, 0);
if ($intPredictionKnown == 0)
{
//NOT KNOWN so INSERT
$blnOK = executeQuery("INSERT INTO prediction (player_id, game_id, predict_home, predict_away) VALUES (1, $strGame_id, $strGame_home, $strGame_away)", $strErrorText, $db);
echo "Your prediction is saved";
}
else
{
//KNOWN so UPDATE
$blnOK = executeQuery("UPDATE prediction SET predict_home = $strGame_home, predict_away = $strGame_away WHERE player_id = 1 AND game_id = $strGame_id", $strErrorText, $db);
echo "Your prediction is updated";
}
}
else
{
$strResult = "Too bad, your prediction could not saved.";
$blnOK = false;
}
}
else
{
echo "Input is empty";
}
}
}