How to receive data from a form that has repeated field names?

Question

My final project of course, in a well summarized way is a game of questions and answers, in this project, I have the table "Alternatives", when I will perform the registration of questions, there are four fields with the name of alternatives as follows:

All four camps are this way Sending this data to a controller, the question is: How should I receive the data on this controller? Should I perform a foreach? Javascript usage in the form? Or I should change the name of each field and receive it separately?

I appreciate the help.

Answer 1

When you put a "name" with [] square brackets it is sent as an array to the receiver.

//o array
$alternativa = $_POST['alternativa'];
//Retorna o número de elementos da array:
$result = count($alternativa);

for ($i = 0; $i < ($result) ; $i++) {
  echo " Alternativa " . $alternativa[$i] . "<br>";
}

Regarding the control structure for:

• Declares 3 expressions at the start of the
  • The first expression being evaluated only once. Normally used to create the control variable.
  • 2nd expression is evaluated at the beginning of each iteration, if this expression returns false the looping is terminated. May be considered the condition of the.
  • 3rd Expression is evaluated at the end of each iteration, normally used to change the value of the control variable.
• Separate the expressions using the ;(point and comma).
• The looping is executed while the 2nd expression condition is true (True)
• When the 2nd expression condition is evaluated as false (False) routine processing is diverted out of the looping
• The block of code referring to the looping should be delimited by keys {}
• Endente the code referring to the block in 4 spaces for legibility reasons, how to configure your text editor to transform Tabs into spaces
• We use a counter so the looping does not remain an infinite looping, this declared in the 1st expression
• Don’t forget to change the value of the counter, in the 3rd expression, so we don’t fall into an infinite looping.