[SOLVED] Empty Form

[Ken2k7]

Say I have a form, a really long form, is there a way to check if all the fields in the form are empty without saying a million if statements?

[trq]

<?php

  $empty = true;
  foreach($_POST as $v) {
    if (!empty($v)) {
      $empty = false;
      break;
    }
  }

  if ($empty) {
    echo "no fields where filled in";
  }

?>

[Ken2k7]

OH...I see. Thanks so much. 

 

Say, is there a way to make that a function so I don't have to type that over and over everytime?

[trq]

Of course. read about functions here.

[Ken2k7]

Oh no, I know how to make a function, I just don't know what parameter I would give this one, if any that is.

[LiamProductions]

Is'nt it more safe to write out all these if functions?

[Ken2k7]

Is'nt it more safe to write out all these if functions?

Define "more safe."

[Ken2k7]

*bump*

[trq]

I think what Liam might be getting at is the usefullness of said function. it just doesn't seem very functional to check if all fields are empty, you usually need to check fields individually. The code I wrote would return false even if only one field is filled in.

 

Anyway... here it is a function.

 

<?php

  function all_empty_post() {
    $empty = true;
    foreach($_POST as $v) {
      if (!empty($v)) {
        $empty = false;
        break;
      }
    }
    return $empty;
  }

  if (all_empty_post()) {
    echo "no fields where filled in";
  }

?>

[Ken2k7]

Oh, I see. But it's ridiculous to make a lot of if statements. Would this work on inserting values if the field is not empty? I'm not sure if php can use void functions since this one, if it works, doesn't return anything.

 

<?php

  function all_empty_post() {
    $empty = true;
    foreach ($_POST as $v)
      if (!empty($v)) {
        mysql_query("INSERT INTO tableName ($v) VALUES ($_POST[$v])") or die(mysql_error());
        $empty = false;
      }
    return $empty;
  }

  if (all_empty_post()) {
    echo "no fields where filled in";
  }

?>

[LiamProductions]

If you was to use Ifs and else's you would be able to choose what you want to do like make a maximum of 8 chracters or minimum of 3 and you can check if fields match ect.