PHP格式的多if语句
我在我的网站上有一个“订阅”表单，我想在提交之前检查数据库中的每个条目，这是我编写的表单，但我希望您帮助完成它 表格代码PHP格式的多if语句,php,mysql,Php,Mysql,我在我的网站上有一个“订阅”表单，我想在提交之前检查数据库中的每个条目，这是我编写的表单，但我希望您帮助完成它 表格代码 <div class="col-lg-8 col-md-12 col-sm-12 col-xs-12"> <h1> Subscribe </h1> </div> <div class="col-lg-4 col-lg-offset-2 col-md-12 col-sm-12 col-xs-
<div class="col-lg-8 col-md-12 col-sm-12 col-xs-12">
<h1> Subscribe </h1>
</div>
<div class="col-lg-4 col-lg-offset-2 col-md-12 col-sm-12 col-xs-12">
<form action="" method="post" class="inp_txt horizontal-form" enctype="multipart/form-data">
<?php echo $result;?>
<?php echo $error1;?>
<?php echo $error2;?>
<?php echo $error3;?>
<div class="form-group">
<label for="name"> Your Name: </label>
<input type="text" name="name" class="form-control" value="<?=(isset($name) ? $name : "")?>" placeholder="Please enter your name" required>
</div>
<div class="form-group">
<label for="phone"> Your Phone Number: </label>
<input type="number" name="phone" class="form-control" value="<?=(isset($phone) ? $phone : "")?>" placeholder="Please enter your valid phone number" required>
</div>
<div class="form-group">
<label for="email"> Your Email: </label>
<input type="email" name="email" class="form-control" value="<?=(isset($email) ? $email : "")?>" placeholder="Please enter your valid email address">
</div>
<div class="form-group">
<button type="submit" class="btn btn-info btn-md" name="subscribe" value="Subscribe me"> Subscribe me </button>
</div>
</form>
</div>
</div>
</div>
<?php
include ("include/header.php");
include ("include/side_bar.php");
//error_reporting(E_ALL);
//ini_set('display_errors', 'On');
?>
<?php
$result = "";
if(isset($_POST['subscribe'])) {
$name = $_POST['name'];
mysql_real_escape_string($name);
$email = $_POST['email'];
mysql_real_escape_string($email);
$phone = $_POST['phone'];
mysql_real_escape_string($phone);
$result = "";
$error1 = "";
$error2 = "";
$error3 = "";
$check_email = "SELECT * from data where email = '$email'";
$res_email = mysql_query($check_email) or die(mysql_error());
$check_phone = "SELECT * from data where phone = '$phone'";
$res_phone = mysql_query($check_phone) or die(mysql_error());
if (empty($_POST['name']) && empty($_POST['phone']) ) {
$error1 = "<div class='alert alert-warning'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Warning!</strong> Please fill all fields before submitting form!
</div>";
if ($res_phone >= 1) {
$error2 = "Phone already exist";
}
if ($res_email >= 1) {
$error3 = "Email already exist";
}
} else {
$qry = "INSERT into `data` (name, phone, email, src) VALUES ('$name','$phone','$email','subscribed')";
$res = mysql_query($qry) or die(mysql_error());
if ($res == 1 ) {
$result = "<div class='alert alert-info'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Success!</strong> Your information successfully saved and now you subscribed to get SMS and Emails :)
</div>";
} else {
$result = "<div class='alert alert-danger'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Error!</strong> There was an error in saving your information, You are not subscribed to receive emails and SMS yet :(
</div>";
}
}
} else {
// do noting
}
;?>
订阅
你的名字：
像这样试试
`
$result=”“；
如果（isset（$_POST['subscribe']））{
$name=$_POST['name']；
mysql\u real\u escape\u字符串（$name）；
$email=$_POST['email']；
mysql\u real\u escape\u字符串（$email）；
$phone=$_POST['phone']；
mysql\u real\u escape\u字符串（$phone）；
$result=“”；
$error1=“”；
$error2=“”；
$error3=“”；
$error=false；
$check_email=“从数据中选择*，其中email='$email'；
$res_email=mysql_query（$check_email）或die（mysql_error（））；
$check_phone=“从数据中选择*，其中phone='$phone'；
$res_phone=mysql_query（$check_phone）或die（mysql_error（））；
if（空（$\u POST['name']）和空（$\u POST['phone']））{
$error1=”
警告！提交表格前请填写所有字段！
";
$error=true；
}
如果（！$error&&$res\u phone>=1）{
$error2=“电话已存在”；
$error=true；
}
如果（！$error&&$res\u email>=1）{
$error3=“电子邮件已存在”；
$error=true；
}
如果（！$error）{
$qry=“在`数据'（姓名、电话、电子邮件、src）中插入值（'$name'，'$phone'，'$email'，'subscribed'）”；
$res=mysql\u query（$qry）或die（mysql\u error（））；
如果（$res==1）{
$result=”
成功！您的信息已成功保存，现在您已订阅短信和电子邮件：）
";
}否则{
$result=”
错误！保存信息时出错，您尚未订阅接收电子邮件和短信：(
";
}
}
}否则{
//什么也不做
}
;?>`
对于所有字段，请遵循此操作，因为如果查询成功运行或在数据库中找到任何记录，mysql\u num\u rows（）函数将为您提供大于0的整数值
$check_phone=“从数据中选择*，其中phone='$phone'；
$res_phone=mysql_query（$check_phone）或die（mysql_error（））；
$res\u phone\u count=mysql\u num\u行（$res\u phone）；
如果（$res\u phone\u count>0）
{
$error2=“电话已存在”；
}
警告：mysql_查询、mysql_获取_数组、mysql_连接等扩展在PHP 5.5.0中被弃用，在PHP 7.0.0中被删除。
相反，应该使用MySQLi或PDO_MySQL扩展
试试这个
//db connection
global $conn;
$servername = "localhost"; //host name
$username = "username"; //username
$password = "password"; //password
$mysql_database = "dbname"; //database name
//mysqli prepared statement
$conn = mysqli_connect($servername, $username, $password) or die("Connection failed: " . mysqli_connect_error());
mysqli_select_db($conn,$mysql_database) or die("Opps some thing went wrong");
$result = "";
if(isset($_POST['subscribe'])) {
$name = $_POST['name'];
mysqli_real_escape_string($name);
$email = $_POST['email'];
mysqli_real_escape_string($email);
$phone = $_POST['phone'];
mysqli_real_escape_string($phone);
$result = "";
$error1 = "";
$error2 = "";
$error3 = "";
$error = false;
//$check_email = "SELECT * from data where email = '$email'";
// $res_email = mysql_query($check_email) or die(mysql_error());
$stmt = $conn->prepare("SELECT * from data where email =?");
$stmt->bind_param('s',$email);
The argument may be one of four types:
i - integer
d - double
s - string
b - BLOB
//change it by respectively
$stmt->execute();
$get_result =$stmt->get_result();
$row_count_email= $get_result->num_rows;
//$row_count= $stmt->affected_rows;
$stmt->close();
//$check_phone = "SELECT * from data where phone = '$phone'";
//$res_phone = mysql_query($check_phone) or die(mysql_error());
$stmt1 = $conn->prepare("SELECT * from data where phone =?");
$stmt1->bind_param('s',$phone); //here data type change based on your db design
The argument may be one of four types:
i - integer
d - double
s - string
b - BLOB
//change it by respectively
$stmt1->execute();
$get_result1 =$stmt1->get_result();
$row_count_phone= $get_result1->num_rows;
//$row_count= $stmt1->affected_rows;
$stmt1->close();
if (empty($_POST['name']) && empty($_POST['phone']) ) {
$error1 = "<div class='alert alert-warning'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Warning!</strong> Please fill all fields before submitting form!
</div>";
$error = true;
}
if($row_count_phone >= 1) {
$error2 = "Phone already exist";
$error = true;
}
if($row_count_email >= 1) {
$error3 = "Email already exist";
$error = true;
}
if(!$error){
//$qry = "INSERT into `data` (name, phone, email, src) VALUES ('$name','$phone','$email','subscribed')";
//$res = mysql_query($qry) or die(mysql_error());
$stmt2 = $conn->prepare("INSERT into `data` (name, phone, email, src) VALUES (?,?,?,?)");
$stmt2->bind_param('ssss',$name,$phone,$email,'subscribed');
The argument may be one of four types:
i - integer
d - double
s - string
b - BLOB
//change it by respectively
$stmt2->execute();
//$get_result2 =$stmt2->get_result();
//$row_count= $get_result2->num_rows;
$row_count= $stmt2->affected_rows;
$stmt2->close();
$conn2->close();
if ($row_count >=1 ) {
$result = "<div class='alert alert-info'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Success!</strong> Your information successfully saved and now you subscribed to get SMS and Emails :)
</div>";
} else {
$result = "<div class='alert alert-danger'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Error!</strong> There was an error in saving your information, You are not subscribed to receive emails and SMS yet :(
</div>";
}
}
}
?>
//数据库连接
全球$conn；
$servername=“localhost”；//主机名
$username=“username”；//用户名
$password=“password”；//密码
$mysql\u database=“dbname”；//数据库名称
//mysqli编写的声明
$conn=mysqli_connect（$servername、$username、$password）或die（“连接失败：”.mysqli_connect_error（））；
mysqli_选择db（$conn，$mysql_数据库）或die（“Opps一些事情出错”）；
$result=“”；
如果（isset（$_POST['subscribe']））{
$name=$_POST['name']；
mysqli_real_escape_字符串（$name）；
$email=$_POST['email']；
mysqli_real_escape_字符串（$email）；
$phone=$_POST['phone']；
mysqli_real_escape_string（$phone）；
$result=“”；
$error1=“”；
$error2=“”；
$error3=“”；
$error=false；
//$check_email=“从数据中选择*，其中email='$email'；
//$res_email=mysql_query（$check_email）或die（mysql_error（））；
$stmt=$conn->prepare（“从电子邮件=？”的数据中选择*”；
$stmt->bind_param（'s'，$email）；
参数可以是四种类型之一：
i-整数
双d
s字串
b团
//分别更改为
$stmt->execute（）；
$get_result=$stmt->get_result（）；
$row\u count\u email=$get\u result->num\u rows；
//$row\u count=$stmt->受影响的\u行；
$stmt->close（）；
//$check_phone=“从数据中选择*，其中phone='$phone'；
//$res_phone=mysql_query（$check_phone）或die（mysql_error（））；
$stmt1=$conn->prepare（“从手机=？”的数据中选择*”；
$stmt1->bind_param（'s'，$phone）；//此处根据您的数据库设计更改数据类型
参数可以是四种类型之一：
i-整数
双d
s字串
b团
//分别更改为
$stmt1->execute（）；
$get_result1=$stmt1->get_result（）；
$row\u count\u phone=$get\u result1->num\u rows；
//$row\u count=$stmt1->受影响的\u行；
$stmt1->close（）；
if（空（$\u POST['name']）和空（$\u POST['phone']））{
$error1=”
警告！提交表格前请填写所有字段！
";
$error=true；
}
如果（$row\u count\u phone>=1）{
$error2=“电话已存在”；
$error=true；
}
如果（$row\u count\u email>=1）{
$error3=“电子邮件已存在”；
$error=true；
}
如果（！$error）{
//$qry=“在`数据'（姓名、电话、电子邮件、src）中插入值（'$name'，'$phone'，'$email'，'subscribed'）”；
//$res=mysql\u query（$qry）或die（mysql\u error（））；
$stmt2=$conn->prepare（“插入到`数据'（姓名、电话、电子邮件、src）值（？，？，？）”；
$stmt2->bind_param（'ssss'，$name，$phone，$email，'subscribed'）；
参数可以是四种类型之一：
i-整数
//db connection
global $conn;
$servername = "localhost"; //host name
$username = "username"; //username
$password = "password"; //password
$mysql_database = "dbname"; //database name
//mysqli prepared statement
$conn = mysqli_connect($servername, $username, $password) or die("Connection failed: " . mysqli_connect_error());
mysqli_select_db($conn,$mysql_database) or die("Opps some thing went wrong");
$result = "";
if(isset($_POST['subscribe'])) {
$name = $_POST['name'];
mysqli_real_escape_string($name);
$email = $_POST['email'];
mysqli_real_escape_string($email);
$phone = $_POST['phone'];
mysqli_real_escape_string($phone);
$result = "";
$error1 = "";
$error2 = "";
$error3 = "";
$error = false;
//$check_email = "SELECT * from data where email = '$email'";
// $res_email = mysql_query($check_email) or die(mysql_error());
$stmt = $conn->prepare("SELECT * from data where email =?");
$stmt->bind_param('s',$email);
The argument may be one of four types:
i - integer
d - double
s - string
b - BLOB
//change it by respectively
$stmt->execute();
$get_result =$stmt->get_result();
$row_count_email= $get_result->num_rows;
//$row_count= $stmt->affected_rows;
$stmt->close();
//$check_phone = "SELECT * from data where phone = '$phone'";
//$res_phone = mysql_query($check_phone) or die(mysql_error());
$stmt1 = $conn->prepare("SELECT * from data where phone =?");
$stmt1->bind_param('s',$phone); //here data type change based on your db design
The argument may be one of four types:
i - integer
d - double
s - string
b - BLOB
//change it by respectively
$stmt1->execute();
$get_result1 =$stmt1->get_result();
$row_count_phone= $get_result1->num_rows;
//$row_count= $stmt1->affected_rows;
$stmt1->close();
if (empty($_POST['name']) && empty($_POST['phone']) ) {
$error1 = "<div class='alert alert-warning'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Warning!</strong> Please fill all fields before submitting form!
</div>";
$error = true;
}
if($row_count_phone >= 1) {
$error2 = "Phone already exist";
$error = true;
}
if($row_count_email >= 1) {
$error3 = "Email already exist";
$error = true;
}
if(!$error){
//$qry = "INSERT into `data` (name, phone, email, src) VALUES ('$name','$phone','$email','subscribed')";
//$res = mysql_query($qry) or die(mysql_error());
$stmt2 = $conn->prepare("INSERT into `data` (name, phone, email, src) VALUES (?,?,?,?)");
$stmt2->bind_param('ssss',$name,$phone,$email,'subscribed');
The argument may be one of four types:
i - integer
d - double
s - string
b - BLOB
//change it by respectively
$stmt2->execute();
//$get_result2 =$stmt2->get_result();
//$row_count= $get_result2->num_rows;
$row_count= $stmt2->affected_rows;
$stmt2->close();
$conn2->close();
if ($row_count >=1 ) {
$result = "<div class='alert alert-info'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Success!</strong> Your information successfully saved and now you subscribed to get SMS and Emails :)
</div>";
} else {
$result = "<div class='alert alert-danger'>
<a href='#' class='close' data-dismiss='alert' aria-label='close'>×</a>
<strong>Error!</strong> There was an error in saving your information, You are not subscribed to receive emails and SMS yet :(
</div>";
}
}
}
?>
<?php if($result){ echo $result; } ?>
<?php if($error1){ echo $error1; } ?>