[PHP] simple ereg question

[Robert E. Harvey, M.D.]

Hello folks,

I'd like to verify input data transferred from a form and make sure it is numeric data or null before my program executes. I am using this syntax, which doesn't work:

for ($i=1;$i<=3;$i++)
{
if (ereg('[0-9]+','$_POST["gamt_$i"]'))
{
continue;
}
else
{
die("Non-numeric data entered in grass entry field(s).");
}
}

No matter what I put in the fields, the program dies and I get the death message. What can I do to fix this?

TIA

Bob Harvey


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