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gyro/core/lib/helpers/cast.cls.php

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<?php
/**
 * Cast helper routines
 * 
 * @author Gerd Riesselmann
 * @ingroup Lib
 */
class Cast {
        /**
         * Static. Forces the given param to be integer.
         * 
         * @param mixes
         * @return Integer 
         */
        public static function int($val) {
                return (is_numeric($val) ? intval($val) : 0);
        }

        /**
         * Static. Forces the given param to be float.
         * 
         * @param mixed The value to convert
         * @param bool True, if languange specific seperators should be acknowledged
         * @return Float 
         */
        public static function float($val) {
                return (is_numeric($val) ? floatval($val) : 0.0);
        }
        
        /**
         * Static. Converts string retrieved from PHP to date
         *
         * @param String Anything that possible can be interpreted as a date
         * @return date
         */
        public static function datetime($string) {
                return GyroDate::datetime($string);
        }
        
        /**
         * Static. Converts given expression to string
         */
        public static function string($value) {
                if (is_string($value)) {
                        return $value;
                }
                if (is_array($value)) {
                        return '';
                }
                else if (is_object($value)) {
                        if ($value->__toString) {
                                return $value->__toString();
                        }
                        else {
                                return strval($value);
                        }
                }
                return strval($value);
        }
}

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