This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ // input: decimal number (formatted string maybe ok but not tested) // output: cents integer function toCents($money) { list($dollars,$cents) = explode('.',$money); return ( 100 * $dollars ) + ( 0 + $cents ); } // input: cents integer // output: formatted string with two digits after the decimal point function fromCents($cents) { return number_format($cents/100,2); } ?>