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我無法解決代碼中的邏輯錯誤。我不知道什麼是錯的，雖然它似乎邏輯是正確的PHP表單代碼中的PHP邏輯錯誤
這是我的PHP：
<?php require_once("includes/connection.php"); ?>
<?php
include_once("includes/form_functions.php");
if(isset($_POST['submit']))
{
$errors = array();
if(isset($_POST['txtSpace']))
{
$choice_spc_port = $_POST["txtSpace"];
}
if(isset($_POST['txtNumber']))
{
$choice_no = $_POST["txtNumber"];
}
if(isset($_POST['txtLocation']))
{
$choice_loc = $_POST["txtLocation"];
if($choice_loc =="txtSetXY")
{
$x = $_POST["txtXLocation"];
$y = $_POST["txtYLocation"];
if($x == "")
{
$message = "You forgot to enter X Value";
}
elseif($y == "")
{
$message = "You forgot to enter Y Value";
}
else
{
$choice_loc = $x . "," . $y;
}
}
}
$user_name = $_POST["txtUserName"];
$user_email = $_POST["txtUserEMail"];
$animal_name = $_POST["txtAnimalName"];
$disp_msg = $_POST["txtDispMsg"];
$comments = $_POST["txtComments"];
if(!isset($_POST['txtSpace']))
{
$message = "Please select Space Portion";
}
elseif(!isset($_POST['txtNumber']))
{
$message = "Please select the number of animals";
}
elseif(!isset($_POST['txtLocation']))
{
$message = "Please select the desired location of animal";
}
elseif($user_name == "")
{
$message = "Please enter your name.";
}
elseif($user_email == "")
{
$message = "Please enter your email.";
}
elseif($animal_name == "")
{
$message = "Please enter the name of the animal.";
}
elseif($disp_msg == "")
{
$message = "What message you want to dedicate to the animal?.";
}
else
{
// validation
$required_fields = array('txtUserName','txtUserEMail','txtAnimalName','txtDispMsg');
$errors = array_merge($errors, check_required_fields($required_fields, $_POST));
$user_name = trim(mysql_prep($_POST['txtUserName']));
$user_email = trim(mysql_prep($_POST['txtUserEMail']));
$animal_name = trim(mysql_prep($_POST['txtAnimalName']));
$disp_msg = trim(mysql_prep($_POST['txtDispMsg']));
if(empty($errors))
{
/*if($choice_loc == "txtSetXY")
{
$x = $_POST["txtXLocation"];
$y = $_POST["txtYLocation"];
$choice_loc = $x . "," . $y;
}*/
if($choice_no == "other")
{
$choice_no = $_POST["other_field"];
}
$insert = "INSERT INTO db_form (db_space_portion, db_number, db_location, db_user_name, db_user_email, db_animal_name, db_message, db_comments) VALUES ('{$choice_spc_port}', '{$choice_no}', '{$choice_loc}', '{$user_name}', '{$user_email}','{$animal_name}','{$disp_msg}','{$comments}')";
$result = mysql_query($insert);
if($result)
{
echo("<br>Input data is succeed");
}
else
{
$message = "The data cannot be inserted.";
$message .= "<br />" . mysql_error();
}
}
else
{
if(count($errors) == 1)
{
$message = "There was 1 error on the form.";
}
else
{
$message = "There were " . count($errors) ." errors on the form.";
}
}
}
}
else
{
$user_name = "";
$user_email = "";
$disp_msg = "";
$comments = "";
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Test Form</title>
<meta charset="utf-8">
<link rel="stylesheet" href="css/reset.css" type="text/css" media="all">
<link rel="stylesheet" href="css/layout.css" type="text/css" media="all">
<link rel="stylesheet" href="css/style.css" type="text/css" media="all">
<script type="text/javascript" src="js/jquery-1.9.0.min.js" ></script>
<script type="text/javascript" src="js/cufon-yui.js"></script>
<script type="text/javascript" src="js/cufon-replace.js"></script>
<script type="text/javascript" src="js/Copse_400.font.js"></script>
<script type="text/javascript" src="js/imagepreloader.js"></script>
<script type="text/javascript" src="js/functions.js"></script>
<!--[if lt IE 9]>
<script type="text/javascript" src="js/ie6_script_other.js"></script>
<script type="text/javascript" src="js/html5.js"></script>
<![endif]-->
</head>
<body id="page5">
<!-- START PAGE SOURCE -->
<div class="body7">
<div class="main">
<section id="content">
<div class="wrapper">
<article class="col24">
<div class="pad1">
<h4>Kindly Fill the form</h4>
<?php if(!empty($message)){ echo $message; } ?>
<?php if(!empty($errors)){ echo display_errors($errors);}?>
<form id="TestForm" name="TestForm" method="post" action="form.php">
<div>
<div class="wrapper"> <strong><span>*</span> Desired Space</strong>
<div class="formText">
<input type="radio" name="txtSpace" value="RJ"/>Space Top<br />
<input type="radio" name="txtSpace" value="SM" />Space Bottom<br />
</div>
</div>
<div class="wrapper"> <strong><span>*</span> Select the Number</strong>
<div class="formText">
<input type="radio" name="txtNumber" value="100"/>100
<input type="radio" name="txtNumber" value="200"/>200
<input type="radio" name="txtNumber" value="500"/>500
<input type="radio" name="txtNumber" value="1000"/>1000
<input type="radio" name="txtNumber" value="10000"/>10000
<input type="radio" name="txtNumber" value="other"/>other
<input type="text" name="other_field" id="other_field" onblur="checktext(this);"/>
</div>
</div>
<div class="wrapper"> <strong><span>*</span> Select X & Y Value</strong>
<div class="formText">
<input type="radio" name="txtLocation" value="txtSetXY"/> Specify Photo Location<br />
<div style="padding-left:20px;">
X: <input type="text" id="locField" name="txtXLocation"><br />
Y: <input type="text" id="locField" name="txtYLocation"><br />
</div>
<input type="radio" name="txtLocation" value="Default"/>Default
</div>
</div>
<div class="wrapper"> <strong><span>*</span> Your Name:</strong>
<div class="bg">
<input type="text" class="input" name="txtUserName">
</div>
</div>
<div class="wrapper"> <strong><span>*</span> Your Email:</strong>
<div class="bg">
<input type="text" class="input" name="txtUserEMail">
</div>
</div>
<div class="wrapper"> <strong><span>*</span> Name of the animal:</strong>
<div class="bg">
<input type="text" class="input" name="txtAnimalName">
</div>
</div>
<div class="wrapper">
<div class="textarea_box"> <strong><span>*</span> The Message you want for your favourite animal:</strong>
<textarea name="txtDispMsg" cols="1" rows="1"></textarea>
</div>
</div>
<div class="wrapper">
<div class="textarea_box"> <strong>Comments:</strong>
<textarea name="txtComments" cols="1" rows="1"></textarea>
</div>
</div>
<input type="submit" name="submit" value="Submit">
</div>
</form>
</div>
</article>
</div>
</section>
</div>
</div>
</body>
</html>
錯誤：
檢查這個PHP小提琴這裏。
line 25.即使我將x textfield留爲空白，也不會顯示此消息 $ message =「您忘記輸入X值了」;
與第29行相同。即使我將y textfield留爲空白，也不會顯示此消息 $ message =「您忘記輸入Y值了」;
但是，如果我在x和y textfield中輸入值，即在txtXLocation和txtYLocation中輸入值，則它們將保存在db中，這意味着它只是不檢查驗證。
在此先感謝
嘗試使用'if（empty（$ x））' – Kamil
歡迎使用Stack Overflow。請注意，您可以（實際上鼓勵您）在問題本身發佈代碼。只需使用** {} **工具欄按鈕進行格式化即可。 –
@Kamil我使用相同的..但它不提供解決方案 – Sumit