[RESOLVED] HT: Check file existence in loop ?

[TryPHP]

How to: ?

$bnumber=0;
while ($i=n){
    if (file_exists($bnumber.".avs")){bnumber++;}
    else{i=n}}

It should look how many avs files there is and create a $bnumber++ so I can save another avs

How to make it ?

[johanafm]

Your while loop will either never be run, or run infinitely (assuming you'd get rid of syntax errors). i and n are not variables in PHP. $i and $n on the other hand would be.
There is a difference between assignment = and comparison ==.

Let's have a look at

while ($i = n)

Assuming $i has been previously defined, and that the constant n hasn't, this should give you some kind of error message (probably E_WARNING or E_NOTICE): use of undefined constant n, assumed 'n'.
That means n is viewed as a constant that has not been defined, and PHP proceeds to assign the string 'n' to this constant.
$i = n will then assign 'n' to $i, which means that your code, at least on the first iteration, is equal to

$i = 'n';
while ($i)

And apart from all the problems you have with incorrect PHP code, have a look at glob

[TryPHP]

Ok, thanks 🙂
Now I have what I wanted

foreach (glob("*.avs") as $filenames){$WhatIwanted[]=$filenames;}

This is a diferent way, but now I go this way 🙂
Even more what I wanted is this : 🙂

$count=count($WhatIwanted);

[SOLVED]