// Name: to_money
// Version: 0.1
// Author: Elmseeker
// Desription: splits a string and inserts commas and the
// correct cents to make the common Money Format $1,234.56
// Type: Function

function to_money($string)
  {  
     
   $Negative = 0;
       
   // Make sure the number is not negative .
    if(preg_match("/^\-/",$string)) 
    { 
     $Negative = 1;
     $string = preg_replace("|\-|","",$string);
    } 
      
// Make sure there aren't already commas in the string.
   $string = preg_replace("|\,|","",$string); 
    
   $Full = split("[\.]",$string);
   
   $Count = count($Full);
     
   if($Count > 1)
   { 
    $First = $Full[0];
    $Second = $Full[1];
     $NumDec = strlen($Second);
      if($NumDec == 2) 
       { 
           //do nothing already at correct length
       } 
      else if($NumDec < 2)
       { 
           //add an extra zero to the end
           $Second = $Second . "0"; 
       } 
      else if($NumDec > 2)
       { 
           // Round off the rest.
           $Temp = substr($Second,0,3);
           $Rounded = round($Temp,-1); 
           $Second = substr($Rounded,0,2);
            
       }    

   }
   else
   {   
    $First = $Full[0];
    $Second = "00";   
   }

  $length = strlen($First);

  if( $length <= 3 )
    {  
     //To Short to add a comma combine the first part and the second.
    $string = $First . "." . $Second;     

    if($Negative == 1)
     {     
      $string = "-" . $string;
     } 

    return $string;
    }  
  else 
    {  
    $loop = intval( ( $length / 3 ) );
    $section_length = -3;  
    for( $i = 0; $i < $loop; $i++ )
      {  
      $sections[$i] = substr( $First, $section_length, 3 );
      $section_length = $section_length - 3;  
      }  

    $stub = ( $length % 3 );
    if( $stub != 0 )  
      {  
      $sections[$i] = substr( $First, 0, $stub );
      }  
    $Done = implode( ",", array_reverse( $sections ) );
    $Done = $Done . "." . $Second;  

    if($Negative == 1)
     {     
      $Done = "-" . $Done;
     } 
    $Done = "$" . $Done;
    return  $Done; 
    }  
  }    
       
// Usage:
// $string=1234.5612;
// $Money = to_money($string);
// print("$Money"); 
// Prints out $1,234.56 

<?php

function convert_to_money( &$s, $dec=2 )
{
  // nb. passed by reference  
  
  // converts a string / number to float  
  $f = floatval( $s );
  if( $f<0 ): // if negative
    $p = array( '($', ')' ); // formatting negative numbers
    $f = str_replace( '-', '', $f ); // removes the minus sign
  else: // positive no.
    $p = array( '$', NULL );
  endif;
  $s = $p[0].number_format( $f, $dec ).$p[1];
}

?>