PHP input array question

Question

I have a form which includes 3 date of birth inputs like the following:

  <label>Date of Birth</label>
  <input type='text' size='2' maxlength='2' name='DOB[2]' />
  <input type='text' size='2' maxlength='2' name='DOB[3]' />
  <input type='text' size='4' maxlength='4' name='DOB[1]' />

The order of the inputs work as month/day/year. I am sending this to my script which then implodes the DOB array like such (Thanks to @Matt H.):

if(isset($_userData['DOB']))
    $_userData['DOB'] = implode('-', $_userData['DOB']);

Now, the problem is, this implodes it to the improper format of month/day/year, which is not the order of the array I set, but the order of the inputs. Am I stuck with having to manually concatenate the array into the format I need for MySQL (year/month/day) ?

Yup, but on the other hand, more control there seems a good way to avoid obscure bugs. I'd go for explicitly setting the order any day. — Wrikken
– Wrikken, Commented Jul 21, 2011 at 16:17

Parris Varney · Accepted Answer · 2011-07-21 16:28:55Z

2

Sort the array first:

if(isset($_userData['DOB'])) {
    ksort($_userData['DOB']);
    $_userData['DOB'] = implode('-', $_userData['DOB']);
}

edited Jul 21, 2011 at 16:28

answered Jul 21, 2011 at 16:18

Parris Varney

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2 Comments

grep Over a year ago

I get an error that invalid arguments are passed in the implode function. Do I have to do this outside of it first?

Parris Varney Over a year ago

Yes, you do, sorry, ksort returns true/false. I've edited my answer.

Shef · Accepted Answer · 2011-07-21 16:24:28Z

1

Try:

if(isset($_userData['DOB'])){
    ksort($_userData['DOB']);
    $_userData['DOB'] = implode('-', $_userData['DOB']);
}

This will sort the array $_userData['DOB'] by key. Based on your input elements, it is going to become:

$_userData['DOB'] = array(
    1 => 'YYYY',
    2 => 'MM',
    3 => 'DD'
);

answered Jul 21, 2011 at 16:24

Shef

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