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Hello friends!
1 - I will create a form to register .
2 - Each listing will have a number for reference.
3 - I create a custom field to go to the database , return the last number ,
concatenasse with the year plus an increment.
4 - Then record this information in the database and send email.
5 - I made the code to go to the bank and pick up this value and generate another .

How can I save this new record in the database ?
Can someone help me?
Some other solution to generate a serial number ?

Thank you all!

<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "sel";
// Cria Conexão
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Verifica Conexão
if (!$conn) {
    die("Erro de Conexão: " . mysqli_connect_error());
}
//SQL dqa Consulta
$sql="SELECT max(mat) FROM matricula WHERE 1";
$resultado = mysqli_query($conn, $sql);
	//Encontrou algo?
	if(mysqli_num_rows($resultado) > 0){
		while ($linha = mysqli_fetch_assoc($resultado)) {
			echo  "Última Matrícula: " . $linha["max(mat)"].  "<br>";
			$ma = $linha["max(mat)"];
			$ma++;
 			$mn = date("Y") .$ma;
 			echo "Nova Matrícula: " .$mn;
			}
	}

	else {

	echo "nenhum resultado";
}
	mysqli_close($conn);
?>

Hello eduardo-rs,
I'm not a Chrono professional, but after checking your new post, I think that the following links may help:
How can I automatically copy fields from one part of my form to another?
P.S: I'm just an automated service😉

Hi eduardo-rs,

First - does this have to be a serial number? It can be simpler and more secure to use a random string (I have a beta version of an action that will do that).

If it does need to be serial then I would probably use a DB Save to save the form results - the new record ID will then be available in the $form->data['array'], you can use a Custom Code action to process that to create your new serial number and then update the record using the ID to identify it.

Bob

Hello , thank you for answers .

GreyHead , it is just a sequential number that will serve as registration .

I'm using a ChronoForms database and created a field to save this number.

All I need is to show this variable in a "TEXT BOX " or "FILE FIELD " .
This I do not know how to do.
Could you give me an example?

Thank you.

Array
(
[option] => com_chronoforms5
[chronoform] => teste
[event] => submit
[matr] => Here I put the coming of my PHP code variable !!!!!
[nome] => rtgsgt
[cpf] => grs
[email] => rggrtg@geg.com
[tel1] => (53) 3453-453_
[termos] => 1
[button3] => Matricular
)

Or can I use a function like this :

<?php
echo "DC " .date("ymj.his"); 
?> 

How do I put this function in a textbox ?

I did it!

Any suggestions to improve this code ?

<?php

$novaMat = "DC " .date("ymj.his"); 
echo $novaMat; 

$form->data["matr"] = $novaMat;


?>