[SOLVED] Replace blank field with a zero

[rjsws]

If input field number_field is blank how do I insert a zero in there rather then leave it empty?

 

For example:

 

$number_field = $_POST['number_field'] ;

$blank = 0 ;

 

 

if ($number_field == "") {

$number_field = $blank ;

}

else {

$a_lot_price = ???;

}

 

 

I'm not really sure what I'm doing here...  If the field is blank I want it to think there's a zero in the field.  If the form is not blank then use the origional numbers.

 

I think that makes since...

 

-Rob

[ratcateme]

what you had is good just like this

if ($number_field == "") {
$number_field = $blank ;
}

your file will remain what it was originally if it is not empty

 

Scott.

[rjsws]

what you had is good just like this

if ($number_field == "") {
$number_field = $blank ;
}

your file will remain what it was originally if it is not empty

 

Scott.

 

Wow...  Didn't know it was that easy.  I have been trying to figure this out for about an hour...  Thank you so much Scott for your help and quick reply!!!  That worked perfect!

 

 

Now if I have two fields number_field and number_field_plus on my forms, and want the number_field_plus plus field to be zero if the number_field is zero, how do i do that?

 

$number_field = $_POST['number_field'] ;

$blank = 0 ;

$number_field_plus = $number_field+500 ;

 

if ($number_field == "") {

$number_field = $blank ;

$number_field_plus = $blank ;

}

 

This is the last question i have on the subject

 

-Rob

[ratcateme]

thats good and you dont have to define $blank befor hand you can just write

$number_field_plus = 0;

php can take most random coding you throw at it unlike some other lanuages

 

Scott.

[papaface]

Easiest thing to do is:

foreach ($_POST as $k => $v)
{
  if (trim($v) == "")
   {
      $_POST[$k] = 0;
   }
}

Place it at the top of your code. It will automatically replace any blank form fields with a 0 value.

[rjsws]

Thank you everyone fo your help with this.

 

I decided to use

 

if ($number_field == "") {

$number_field = $blank ;

$number_field_plus = $blank ; }

 

This makes both fields $0

 

Thanks again everyone

 

-Rob

 

[papaface]

Thank you everyone fo your help with this.

 

I decided to use

 

if ($number_field == "") {

$number_field = $blank ;

$number_field_plus = $blank ; }

 

This makes both fields $0

 

Thanks again everyone

 

-Rob

 

Not very good use of code tbh as $number_field may have a value, but $number_field_plus may not and will therefore remain blank. My code is the best.

[rjsws]

Not very good use of code tbh as $number_field may have a value, but $number_field_plus may not and will therefore remain blank. My code is the best.

 

Ok...  Here 's the code that i am working with...

 

$r_prop_price = $_POST['r_prop_price'] ;

$r_prop_base = 5000 ;

$r_prop_rent = 300 ;

$r_prop_sum_a = $r_prop_price+$r_prop_base ;

$r_prop_sum = $r_prop_sum_a/$r_prop_rent ;

if ($r_prop_price == "") {

$r_prop_price = $blank ;

$r_prop_sum = $blank ; }

$r_prop_sum_for = number_format($r_prop_sum, 0);

 

How can I clean that up and make it work with your code?

 

-Rob

[papaface]

if ($_POST)
{
foreach ($_POST as $k => $v)
{
  if (trim($v) == "")
   {
      $_POST[$k] = 0;
   }
}
$r_prop_price = $_POST['r_prop_price'] ;
$r_prop_base = 5000 ;
$r_prop_rent = 300 ;
$r_prop_sum_a = $r_prop_price+$r_prop_base ;
$r_prop_sum = $r_prop_sum_a/$r_prop_rent ;
}

[rjsws]

if ($_POST)
{
foreach ($_POST as $k => $v)
{
  if (trim($v) == "")
   {
      $_POST[$k] = 0;
   }
}
$r_prop_price = $_POST['r_prop_price'] ;
$r_prop_base = 5000 ;
$r_prop_rent = 300 ;
$r_prop_sum_a = $r_prop_price+$r_prop_base ;
$r_prop_sum = $r_prop_sum_a/$r_prop_rent ;
}

 

That code doesn't leave my r_prop_sum or my r_prop_price field with $0  It leaves the price field blank and the sum field with $17 (500/300).  I need both fields to be $0.

 

-Rob

 

[papaface]

Try:

if ($_POST)
{
foreach ($_POST as $k => $v)
{
  if ($v == "")
   {
      $_POST[$k] = 0;
   }
}
$r_prop_price = $_POST['r_prop_price'] ;
$r_prop_base = 5000 ;
$r_prop_rent = 300 ;
$r_prop_sum_a = $r_prop_price+$r_prop_base ;
$r_prop_sum = $r_prop_sum_a/$r_prop_rent ;
}

[rjsws]

Try:

if ($_POST)
{
foreach ($_POST as $k => $v)
{
  if ($v == "")
   {
      $_POST[$k] = 0;
   }
}
$r_prop_price = $_POST['r_prop_price'] ;
$r_prop_base = 5000 ;
$r_prop_rent = 300 ;
$r_prop_sum_a = $r_prop_price+$r_prop_base ;
$r_prop_sum = $r_prop_sum_a/$r_prop_rent ;
}

 

Damn your quick!

I'm sorry the previous one that i tested was blank as well.  I forgot that i added $r_prop_sum_for = number_format($r_prop_sum, 0); in with yours.  Both are blank without that extra line but with both of them come up with $17 for the sum field.

 

 

-Rob

-Rob

[papaface]

What are you putting in the form fields when you submit?

[rjsws]

Ahhhh....  Good call...

 

<td class="c"><input type=text class=lot_value name=r_prop_price size=20 value="<? echo $r_prop_price; ?>"></td>

<td class="d"><input type=text class=lot_value name=r_prop_per size=20 value="$<? echo $r_prop_sum_for; ?>"></td>

 

-Rob

[papaface]

change to:

<td class="c"><input type="text" class="lot_value" name="r_prop_price" size="20" value="<?php echo $r_prop_price; ?>"></td>
<td class="d"><input type="text" class="lot_value" name="r_prop_per" size="20" value="$<?php echo $r_prop_sum_for; ?>"></td>

and try:

foreach ($_POST as $k => $v)
{
  if ($v == "")
   {
      $_POST[$k] = 0;
   }
}
$r_prop_price = $_POST['r_prop_price'] ;
$r_prop_base = 5000 ;
$r_prop_rent = 300 ;
$r_prop_sum_a = $r_prop_price+$r_prop_base ;
$r_prop_sum = $r_prop_sum_a/$r_prop_rent ;

[rjsws]

Check your PM's please

[papaface]

Try:

<HTML>
<TITLE>
RJSWS - mafia Wars
</TITLE>
<body>
<font face=verdana size=2>

<?php

foreach ($_POST as $k => $v)
{
  if (!isset($_POST[$k]) || trim($_POST[$k]) == "" || $_POST[$k] == "" )
   {
      $_POST[$k] = 0;
   }
}

$a_lot_price = $_POST['a_lot_price'] ;
$a_lot_base = 0 ;
$a_lot_rent = 100 ;
$a_lot_sum_a = $a_lot_price+$a_lot_base ;
$a_lot_sum = $a_lot_sum_a/$a_lot_rent ;
$a_lot_sum_for = number_format($a_lot_sum, 0);


$c_lot_price = $_POST['c_lot_price'] ;
$c_lot_base = 0 ;
$c_lot_rent = 300 ;
$c_lot_sum_a = $c_lot_price+$c_lot_base ;
$c_lot_sum = $c_lot_sum_a/$c_lot_rent ;
$c_lot_sum_for = number_format($c_lot_sum, 0);

$p_lot_price = $_POST['p_lot_price'] ;
$p_lot_base = 0 ;
$p_lot_rent = 2000 ;
$p_lot_sum_a = $p_lot_price+$p_lot_base ;
$p_lot_sum = $p_lot_sum_a/$p_lot_rent ;
$p_lot_sum_for = number_format($p_lot_sum, 0);

$b_lot_price = $_POST['b_lot_price'] ;
$b_lot_base = 0 ;
$b_lot_rent = 8000 ;
$b_lot_sum_a = $b_lot_price+$b_lot_base ;
$b_lot_sum = $b_lot_sum_a/$b_lot_rent ;
$b_lot_sum_for = number_format($b_lot_sum, 0);

$r_prop_price = $_POST['r_prop_price'] ;
$r_prop_base = 5000 ;
$r_prop_rent = 300 ;
$r_prop_sum_a = $r_prop_price+$r_prop_base ;
$r_prop_sum = $r_prop_sum_a/$r_prop_rent ;

?>
<head>
<title></title>

<style type="text/css">


tr.a {
background-color: Aqua;
}

tr.a1 {
background-color: lime;
}

td.b {
color: black;
width: 200px;
}

.lot_value {
color: red;
text-align: center;
}

td.c_title {
color: black;
width: 150px;
text-align: center;
}

tr.blank {
background-color: black;
height: 3px;
}

</style>

</head>

<body>
<form method=post action=mafia_prices.php>

<table>
<tr class="a">
<td class="c_title"></td>
<td class="c_title">Price Per Lot</td>
</tr>
<tr class="a">
<td class="b">Abandoned Lot</td>
<td class="c"><input type="text" class="lot_value" name=a_lot_price size="20" value="<? echo $a_lot_price; ?>"></td>
<td class="d"><input type="text" class="lot_value" name=a_lot_per size="20" value="$<? echo $a_lot_sum_for; ?>"></td>
</tr>
<tr class="a1">
<td class="b">Commercial Block</td>
<td class="c"><input type="text" class="lot_value" name=c_lot_price size="20" value="<? echo $c_lot_price; ?>"></td>
<td class="d"><input type="text" class="lot_value" name=c_lot_per size="20" value="$<? echo $c_lot_sum_for; ?>"></td>
</tr>
<tr class="a">
<td class="b">Prime Downtown Lot</td>
<td class="c"><input type="text" class="lot_value" name=p_lot_price size="20" value="<? echo $p_lot_price; ?>"></td>
<td class="d"><input type="text" class="lot_value" name=p_lot_per size="20" value="$<? echo $p_lot_sum_for; ?>"></td>
</tr>
<tr class="a1">
<td class="b">Beachfront Property</td>
<td class="c"><input type="text" class="lot_value" name=b_lot_price size="20" value="<? echo $b_lot_price; ?>"></td>
<td class="d"><input type="text" class="lot_value" name=b_lot_per size="20" value="$<? echo $b_lot_sum_for; ?>"></td>
</tr>
<tr class="blank">
<td></td>
<td></td>
</tr>
<tr class="a">
<td class="b">Rent House</td>
<td class="c"><input type="text" class="lot_value" name="r_prop_price" size="20" value="<?php echo $r_prop_price; ?>"></td>
<td class="d"><input type="text" class="lot_value" name="r_prop_per" size="20" value="$<?php echo $r_prop_sum_for; ?>"></td>
</tr>
<tr class="a1">
<td class="b">Italian Restaurant</td>
<td class="c"><input type="text" class="lot_value" name="i_prop" size="20" value=""></td>
</tr>
<tr class="a">
<td class="b">Apartment Complex</td>
<td class="c"><input type="text" class="lot_value" name="a_prop" size="20" value=""></td>
</tr>
<tr class="a1">
<td class="b">Valu-Mart</td>
<td class="c"><input type="text" class="lot_value" name="v_prop" size="20" value=""></td>
</tr>
<tr class="a">
<td class="b">Office Building</td>
<td class="c"><input type="text" class="lot_value" name="o_prop" size="20" value=""></td>
</tr>
<tr class="a1">
<td class="b">5-Star Hotel</td>
<td class="c"><input type="text" class="lot_value" name="5_prop" size="20" value=""></td>
</tr>
<tr class="a">
<td class="b">Mega Casino</td>
<td class="c"><input type="text" class="lot_value" name="m_prop" size="20" value=""></td>
</tr>
</table>
<input type=submit value="Submit" >
</form>
</body>
</html>




</font>
</body>
</HTML>

[rjsws]

Well...  I thought I had it all worked out...  But I don't.

 

The code above works great but the $17 is still in the r_prop_per field.  All the other zeros appear.  It's still taking the 5000/300=17

 

-Rob

[rjsws]

I was messing around with it some more and noticed that if I put dollar amounts in any of the "prop_base =" then the dollar amount comes up.  It's not just with the r_prop_per field.  It's all of it.  It just wasn't noticed because they were set to zero.

[rjsws]

i just used the code from page 1.  Thanks again for your help

 

-Rob

[Andy-H]

<?php
$number_field = $_POST['number_field'];
$number_field = intval($number_field);
?>