This function inserts a comma separator into every 3 digits. For example, 100000 will be 100,000.
Syntax: commify(Number);
For Example: commify (100000); Output will be: $100,000
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## Passing values to the commify() function
$number = 100000;
$display_number = commify ($number);
## Display output
print "Input: $number" . "<br>";
print "Output: $display_number" . "<br>";
## The Commify Function
function commify ($str) {
$n = strlen($str);
if ($n <= 3) {
$return=$str;
}
else {
$pre=substr($str,0,$n-3);
$post=substr($str,$n-3,3);
$pre=commify($pre);
$return="$pre,$post";
}
return($return);
}
?>
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This function can be used for financial, real estate, or any online reporting system where you want to make numbers more legible to the user.
Check out the dollarfy() function: http://aspn.activestate.com/ASPN/Cookbook/PHP/Recipe/202053
Courtesy of Alvin Estevez, Enigma Software Group, Inc. http://www.enigmasoftwaregroup.com
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Don't reinvent the wheel. Read PHP manual. Use the number_format() function.