- is_numeric: documentation ( source)
- floor: documentation ( source)
- str_replace: documentation ( source)
- number_format: documentation ( source)
<?php
function count_number($n) {
// first strip any formatting;
$n = (0+str_replace(",","",$n));
// is this a number?
if(!is_numeric($n)) return false;
// now filter it;
if($n>1000000000000) return floor(($n/1000000000000),1).'T';
else if($n>1000000000) return floor(($n/1000000000),1).'G';
else if($n>1000000) return floor(($n/1000000),1).'M';
else if($n>1000) return floor(($n/1000),1).'K';
return number_format($n);
}
echo count_number("2,454");