If statment Question

[james0816]

Is there a way in PHP to program an "OR" conidtion or is it strictly through the use of ELSEIF?

i.e

if ($var1 == 1) OR ($var1 == 2)

something to that effect.

 

[lgarner]

use "||", like:

if ($var1 == 1 || $var1 == 2)

 

[DRJ478]

There is also the switch statement:

switch ($var1){
   case 1:
   case 2:
      #code here
      break;
   default:
      # default ot more cases as appropriate
}

The use of the operator "OR" is fine, it is the parantheses that made it nor work:

id ($var1==1 OR $var1==2){
  # etc.
}

 

[james0816]

hmmmm.....guess i may be stuck with just extra lines. is this pretty much the way to code this:

if ($lj != 0 && $RR == 1)
{
echo"<tr height=15 bgcolor=#ffffdd>";
}
elseif ($lj == 2 && $RR < 6)
{
echo"<tr height=15 bgcolor=#ffffdd>";
}
elseif ($lj == 3 && $RR < 11)
{
echo"<tr height=15 bgcolor=#ffffdd>";
}

else
{
echo"<tr height=15 bgcolor=#eeeeee>";
}

 

[james0816]

actually the first line should be $lj == 1

sry

 

[DRJ478]

if (($lj==1 && $RR == 1)
    OR ($lj==2 && $RR<6)
    OR ($lj==3 && $RR<11)){
    echo '<tr height="15" bgcolor="#ffffdd">';
} else {
        echo '<tr height="15" bgcolor="#ffffdd">';
}

Some things I noticed:
1. for validation purposes one should double quote tag attributes.
2. a class attribute is IMHO better than using explicit setting of the background color. With CSS you can restyle the output without having to touch the code.

 

[james0816]

definately much smoother.

i did try with the double quotes...didn't like it...gave me an error so i removed them and it worked. I am using single quotes now.

for the CSS I would define the CSS style and then replace the bgcolor= with style=?

 

[DRJ478]

<tr class="myclass">...

A CSS style definition - best in an external css file linked with a <link> tag:

tr.myclass {
   background-color: #ffffdd;
   height: 15px;
   font-size: 11px;
}

Unfortunately if you were to work in a place that required HTML, XHTML validation, you would not have a choice as to like or dislike double quotes. It is also a good practice and shows ones professionalism to keep up web standards recommended by the W3C.

 

[james0816]

true...i didnt mean that i didnt like the double quotes. what i meant was that the webserver or whatever is governing that didn't like them as it gave me an error when i reloaded the page.

 

[Vragabond]

Unfortunately if you were to work in a place that required HTML, XHTML validation, you would not have a choice as to like or dislike double quotes. It is also a good practice and shows ones professionalism to keep up web standards recommended by the W3C.[/code]
Incidentally, standards say that attributes must be quoted, not double quoted. Single or double quotes will pass the validation with any doctype.

 

[litton1]

i haven't tested but the if above seems to say

if ($lj <=3 && $lj>0 && $RR< 11)
    echo '<tr height="15" bgcolor="#ffffdd">';
else
     echo '<tr height="15" bgcolor="#eeeeee">';

Binary Intelligence, true or false?