NumberViewHelper.php

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<?php

/*                                                                        *
 * This script belongs to the FLOW3 package "Fluid".                      *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License as published by the *
 * Free Software Foundation, either version 3 of the License, or (at your *
 * option) any later version.                                             *
 *                                                                        *
 * This script is distributed in the hope that it will be useful, but     *
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN-    *
 * TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser       *
 * General Public License for more details.                               *
 *                                                                        *
 * You should have received a copy of the GNU Lesser General Public       *
 * License along with the script.                                         *
 * If not, see http://www.gnu.org/licenses/lgpl.html                      *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

/**
 * Formats a number with custom precision, decimal point and grouped thousands.
 * @see http://www.php.net/manual/en/function.number-format.php
 *
 * = Examples =
 *
 * <code title="Defaults">
 * <f:format.number>423423.234</f:format.number>
 * </code>
 * <output>
 * 423,423.20
 * </output>
 *
 * <code title="With all parameters">
 * <f:format.number decimals="1" decimalSeparator="," thousandsSeparator=".">423423.234</f:format.number>
 * </code>
 * <output>
 * 423.423,2
 * </output>
 *
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 * @api
 */
class Tx_Fluid_ViewHelpers_Format_NumberViewHelper extends Tx_Fluid_Core_ViewHelper_AbstractViewHelper {

    /**
     * Format the numeric value as a number with grouped thousands, decimal point and
     * precision.
     *
     * @param int $decimals The number of digits after the decimal point
     * @param string $decimalSeparator The decimal point character
     * @param string $thousandsSeparator The character for grouping the thousand digits
     * @return string The formatted number
     * @author Christopher Hlubek <hlubek@networkteam.com>
     * @author Bastian Waidelich <bastian@typo3.org>
     * @api
     */
    public function render($decimals = 2, $decimalSeparator = '.', $thousandsSeparator = ',') {
        $stringToFormat = $this->renderChildren();
        return number_format($stringToFormat, $decimals, $decimalSeparator, $thousandsSeparator);
    }
}
?>