[SOLVED] Integer functions

[Porl123]

I'm trying to make my own function that checks a few features of a number for validation of whole numbers. I just want it to give a boolean response of valid or not valid. The checks would be that it only contains 0-9, no other characters whatsoever, that it was more than 0 and preferably without any limits.

 

If anyone can help me here I'd greatly appreciate it, thanks!

[rhodesa]

function is_pos_int ( $number ) {
  return (is_numeric($number) && $number > 0);
}

[Porl123]

I've tried using is_numeric before but it still seems to allow decimels

[MadTechie]

Hummm

is_numeric('0.123') 

// = true

 

Try this

$data = "111";
if (preg_match('/^[0-9]$/', $data))
{
//its a number only
}

 

<?php
function isnumeric($data)
{
return preg_match('/^[0-9]$/', $data);
}

?>

[rhodesa]

ah...good call

function is_pos_int ( $number ) {
  return preg_match('/^[1-9]\d*$/',$number);
}

 

edit: this one doesn't allow 0

[Porl123]

Ah, thanks guys for your help. :]

[MadTechie]

Ahh forgot about the No zero!