Invalid Argument

[BryanA]

Something seems to be wrong with this function and I can't figure out
why it is failing. The error that it gives is; Invalid argument
supplied for foreach() .


function transposition($ words){
foreach($words as $word){
for($x=0;$x<str len($word)-1;$x++){
$results[] = substr($word, 0, $x) . $word[$x+1] . $word[$x] .
substr($word, $x+2, strlen($word));
}
}
return $results;
}

The way I call the function is:

echo(correct("o riginal"));

Do you see anything wrong?

Thanks,
Bryan

[Jerry Stuckle]

Re: Invalid Argument

BryanA wrote:

Something seems to be wrong with this function and I can't figure out
why it is failing. The error that it gives is; Invalid argument
supplied for foreach() .
>
>
function transposition($ words){
foreach($words as $word){
for($x=0;$x<str len($word)-1;$x++){
$results[] = substr($word, 0, $x) . $word[$x+1] . $word[$x] .
substr($word, $x+2, strlen($word));
}
}
return $results;
}
>
The way I call the function is:
>
echo(correct("o riginal"));
>
Do you see anything wrong?
>
Thanks,
Bryan
>

That's because $words is not an array.

And your echo statement is calling the function 'correct', not the
function 'transposition' .

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