Php 从POST复选框值对数组使用preg_匹配
我遇到的问题是如何使preg_match对从表单返回的数组正确工作Php 从POST复选框值对数组使用preg_匹配,php,arrays,checkbox,preg-match,Php,Arrays,Checkbox,Preg Match,我遇到的问题是如何使preg_match对从表单返回的数组正确工作 <input type="checkbox" name="receiver-check[]" class="checkbox-id" value="Username 1 (123)"> <input type="checkbox" name="receiver-check[]" class="checkbox-id" value="Username 2 (456)"> <input type="ch
<input type="checkbox" name="receiver-check[]" class="checkbox-id" value="Username 1 (123)">
<input type="checkbox" name="receiver-check[]" class="checkbox-id" value="Username 2 (456)">
<input type="checkbox" name="receiver-check[]" class="checkbox-id" value="Username 3 (789)">
因此,我希望对通过表单收到的值使用preg_match。
这就是我使用它的方式
$msg_receivers = !empty($_POST['receiver-check']) && is_array($_POST['receiver-check']) ? $_POST['receiver-check'] : array();
$receiverIds = array();
foreach($msg_receivers as $receiver) {
$receiverIds[] = preg_replace('/\((\d+)\)$/', "$1", $receiver);
}
$number_of_receivers = count($receiverIds);
$while_count = 0;
while($number_of_receivers >= ($while_count + 1)){
$sql = <<< EOF
INSERT INTO private_messages (
message_subject,
message_content,
message_deliver,
message_receive,
message_status,
message_datetime,
message_to_stab
)VALUES
(?,?,?,?,'2',?,?);
EOF;
$stmt = $mysqli->prepare($sql) or die ("Feil i database<br>" . $sql . "<br><b>Feilmelding:</b> " . $mysqli->error);
$stmt->bind_param("ssiiii",$message_subject,$message_content, $_SESSION['user_id'],$receiverIds[$while_count],$message_datetime,$message_to_stab);
$stmt->execute() or die("noe gikk galt");
$msg_num_rows = $stmt->num_rows;
if($msg_num_rows = 0){
$msg = "Feilmelding: Klarte ikke å sende meldingen.";
}
else{
$msg = "Meldingen har blitt sendt.";
}
$stmt->free_result();
$stmt->close();
$while_count ++;
}
$msg\u接收器=!空($_POST['receiver-check'])和&is_数组($_POST['receiver-check'])$_POST['receiver-check']:数组();
$receiverIds=array();
foreach($msg_receiver as$receiver){
$receiverIds[]=preg\u replace(“/\(\d+)$/”、“$1”、$receiver);
}
$number_of_receiver=计数($receiverid);
$while_count=0;
while($while计数+1)){
$sql=错误);
$stmt->bind_参数(“SSIII”、$message_subject、$message_content、$SESSION['user_id']、$receiverIds[$while_count]、$message_datetime、$message_to_stab);
$stmt->execute()或die(“noe gikk galt”);
$msg\u num\u rows=$stmt->num\u rows;
如果($msg\u num\u rows=0){
$msg=“Feilmelding:Klarte ikkeåsende meldingen。”;
}
否则{
$msg=“梅尔丁根和布莱特发送”;
}
$stmt->free_result();
$stmt->close();
$while_count++;
}
然后我使用$msg\u receiver\u query
在while循环内的查询中指定一个值。
我当前在数据库中收到的是0和1。没有别的了。对于我来说,正确的
preg_match
是什么,以便只输出论文中的数字?有没有更有效的方法来解决我的这个问题呢?你可以这样做
通过这种方式,您可以将其插入到数据库中。但您将查询数据库3次以插入3条记录
<?php
//use your connection Data
$user = "root";
$pass = "***";
$host = "localhost";
$dbdb = "TestDataBase";
$connect = mysqli_connect($host, $user, $pass, $dbdb);
if(!$connect)
{
trigger_error('Error connection to database: '.mysqli_connect_error());
}
//check if receiver-check is set or not
if(isset($_POST['receiver-check'])){
$msg_receivers = $_POST['receiver-check'];
// iterate through $msg_receivers
foreach($msg_receivers AS $value){
preg_match_all("/([0-9]{3})/", $value, $msg_receiver_query);
//Query, just change the table name and columns to what ever you need.
$sql = "INSERT INTO `table` (`column1`) VALUES ('" .$msg_receiver_query[0][0] . "')";
if (mysqli_query($connect, $sql)) {
echo 'Record(s) created successfully<br>';
} else {
echo $sql . '"<br>"' . mysqli_error($connect);
}
}
}else{
echo "nothing is set";
}
?>
可能有点高级,但您也可以在one查询中执行此操作
<?php
//use your connection Data
$user = "root";
$pass = "***";
$host = "localhost";
$dbdb = "TestDataBase";
$connect = mysqli_connect($host, $user, $pass, $dbdb);
if(!$connect)
{
trigger_error('Error connection to database: '.mysqli_connect_error());
}
//check if receiver-check is set or not
if(isset($_POST['receiver-check'])){
$msg_receivers = $_POST['receiver-check'];
$inputArray = '';
// iterate through $msg_receivers
foreach($msg_receivers AS $value){
preg_match_all("/([0-9]{3})/", $value, $msg_receiver_query);
//insert all output in to an array
$inputArray [] = "('" . $msg_receiver_query[0][0] . "')";
}
//Insert all outputs in 1 query
$sql = "INSERT INTO `testtable` (`column1`) VALUES " . implode(",",$inputArray) . "";
if (mysqli_query($connect, $sql)) {
echo 'Record(s) created successfully<br>';
} else {
echo $sql . '"<br>"' . mysqli_error($connect);
}
}else{
echo "nothing is set";
}
?>
看起来您不想匹配,您只想提取每个
$\u POST['receiver-check']
值的一部分-因此preg\u replace()
将是正确的函数
$msg_receivers = !empty($_POST['receiver-check']) && is_array($_POST['receiver-check'])
? $_POST['receiver-check'] : array();
$receiverIds = array();
foreach($msg_receivers as $receiver) {
$receiverIds[] = preg_replace('/^.*\((\d+)\)$/', "$1", $reciever);
}
这将为您提供一系列接收者ID($ReceiverID),如:
除了编写循环的方式有点奇怪之外,您还忽略了RegExp中的模式边界:一个简单的
/\(\d+\)$/
应该可以foreach($sReceiverValue为msg_receivers){…}
。。。我会验证$\u POST['receiver-check']
以及!empty()
和是_array()
只是为了安全起见。我仍然在数据库中得到1作为输出。我们可以聊天吗?即使我在我的名字中使用receiver check[],这也算数吗?你为什么不试试呢?我有。我的数据库中有0。我只是将其输出到您的浏览器中。这不会在您的数据库中插入任何内容。只需编辑您的问题并向我们显示您的查询。用查询更新了我的答案,这只是一个示例查询,您需要更改它以适应您的情况。我给了你两个选项:多个查询或仅一个查询。我如何将其绑定到一个查询?我想$ReceiverID[0]应该是=123和2=456?差不多-但是如果使用绑定参数,则需要通过引用传递变量。。。如果您使用的是PDO,则可以使用bindValue()
来代替。我尝试了您的解决方案。当选择receiver check时,我仅在数据库中获取0。怎么会?复选框名为receiver check[]
你找到了吗?它正在工作!谢谢!:)我已经花了很多时间在这上面了!
array(
[0] => 123,
[1] => 456,
[2] => 789
);