Write a FOR loop in PHP that prints the numbers 0-9 to the page.

[bruin03]

How would i go about this?

[r937]

homework assignment?

what have you tried so far?

[bruin03]

Originally Posted by r937

homework assignment?

what have you tried so far?

Not really. Saw this question on a skills test. I have no idea where to start.
I first inclination is to put the numerals 1-9 in array and wrote a for loop to simply print all of the array contents?

That would be too easy. There's gotta be a way to handle numbers programmatically. Can you point me in the right direction?

[logic_earth]

http://us2.php.net/manual/en/control-structures.for.php

[oddz]

foreach(range(0,9) as $num) {
  echo $num;
}

http://us3.php.net/manual/en/function.range.php

[AnthonySterling]

In a for loop as requested:-

<?php
for( $iCounter = 0 ; $iCounter <= 9 ; $iCounter++ )
{
    echo $iCounter . '<br />';
}
?>

[Stormrider]

Would have been good to let him have a stab at it first, noone learns from copying and pasting!

[AnthonySterling]

Possibly, but as a solution had already been posted I thought it best he at least gets what he asked for.

Saying that, I usually find it easier to learn something given an example, it's all good and well trying to cobble a solution together, but if you don't even know where to start...

It's nearly Christmas too, festive giving and all that!

[Stormrider]

Nah, normally I would let people have a stab at it first, post something up, then help them with that. Better than just giving away the answer straight off

But yeh, since an answer had already been posted, may as well post the one he wanted!

[kyberfabrikken]

If it doesn't have to specifically be a for-loop, you could do:

echo implode(",", range(0,9)); 

[BrandonK]

or even

echo '1 2 3 4 5 6 7 8 9'; 

[spikeZ]

OK, if we really want to get down and dirty....

for($i=0; $i<=1; $i++) {
    echo 'the numbers 0-9';
} 

should answer the question exactly......

[Stormrider]

Ah, why not confuse things further then :P

for ($i=0;$i<=9;print $i++); 

for($i=48;$i<=57;print(chr($i++))); 

Have a version in brainf*ck as well:

<++++++++[>++++++<-]>>++++++++++[<.+>-]

[Ernie1]

$x = 0;



while ($x < 10)

{

    echo $x++;

} 

[Stormrider]

$x = 10;
while ($x) echo 10 - ($x--); 

for ($d1=0;$d1<2;$d1++)
 for ($d2=0;$d2<2;$d2++)
  for ($d3=0;$d3<2;$d3++)
   for ($d4=0;$d4<2;$d4++) {
       echo base_convert($d1.$d2.$d3.$d4,2,10);
    if ($d1.$d2.$d3.$d4 == "1001") break 4;
   }//for 

[spikeZ]

Originally Posted by Stormrider

$x = 10;

while ($x) echo 10 - ($x--); 

for ($d1=0;$d1<2;$d1++)

 for ($d2=0;$d2<2;$d2++)

  for ($d3=0;$d3<2;$d3++)

   for ($d4=0;$d4<2;$d4++) {

       echo base_convert($d1.$d2.$d3.$d4,2,10);

    if ($d1.$d2.$d3.$d4 == "1001") break 4;

   }//for 

LMAO, If bruin03 doesn't get an A* then its a fix!

[Stormrider]

Now I'm spending all my time trying to make obscure solutions to this problem...

[AnthonySterling]

Originally Posted by Stormrider

$x = 10;
while ($x) echo 10 - ($x--); 

for ($d1=0;$d1<2;$d1++)
 for ($d2=0;$d2<2;$d2++)
  for ($d3=0;$d3<2;$d3++)
   for ($d4=0;$d4<2;$d4++) {
       echo base_convert($d1.$d2.$d3.$d4,2,10);
    if ($d1.$d2.$d3.$d4 == "1001") break 4;
   }//for 

wow, good show StormRider.

[AnthonySterling]

Another...

<?php
$aRange = array('M','N','O','A','Q','g','w');
for ($i=0;$i<=6;$i++)
{
    for ($j=0;$j<=6;$j++)
    {
        $k = base64_decode($aRange[$i].$aRange[$j].'==');
        if(is_numeric($k))
        {
            echo ($l != $k) ? $k . '<br />' : null ;
            $l = $k;
        }
    }
}
?>

[asady]

<?php
for($i=0; $i<=9; $i++)
{
echo $i;
}
?>

[rajug]

I wonder why this thread got that much replies. Is it only because the problem was quite easy or it really needs that much examples to print 0 to 9 numbers in a print using for loop in PHP?

[Limotek]

$loopy = array("0. Don't", "1. be", "2. such", "3. a", "4. spoilt", "5. sport!", "6. Let", "7. them", "8. enjoy", "9. it!");



function test_print($item2)

{

    echo substr($item2,0,1);

}



array_walk($loopy, test_print); 

[sonjay]

What a great thread! It's interesting to see how many different ways there are to do even a very simple thing in php.

$n = '';
for($i = 0; $i<=9; $i++) {
    echo strlen($n);
    $n = $i.$n;
} 

[Stormrider]

Originally Posted by sonjay

What a great thread! It's interesting to see how many different ways there are to do even a very simple thing in php.

$n = '';
for($i = 0; $i<=9; $i++) {
    echo strlen($n);
    $n = $i.$n;
} 

Nice idea

for($i=0;$i<9;print strlen($n.=$i++)); 

[Stormrider]

for($i=print(0);$i<=9;print($i++));