cvs: pear /Validate Validate.php

cox Thu Jun 6 11:05:01 2002 EDT Modified files: /pear/Validate Validate.php Log: Added date and time validation (it doesn't rely on timestamps) Index: pear/Validate/Validate.php diff -u pear/Validate/Validate.php:1.12 pear/Validate/Validate.php:1.13 --- pear/Validate/Validate.php:1.12 Thu May 30 16:13:35 2002 +++ pear/Validate/Validate.php Thu Jun 6 11:05:01 2002 @@ -18,7 +18,7 @@ // | | // +----------------------------------------------------------------------+ // -// $Id: Validate.php,v 1.12 2002/05/30 20:13:35 cox Exp $ +// $Id: Validate.php,v 1.13 2002/06/06 15:05:01 cox Exp $ // // Methods for common data validations // @@ -174,6 +174,129 @@ $sum += intval($number[$k]); } return $sum % 10 ? false : true; + } + + /** + * Validate date and times. Note that this method need the Date_Calc class + * + * @param string $date Date to validate + * @param string $format The format of the date (%d-%m-%Y) + * @param array $min The date has to be greater than this array($day, $month, $year) + * @param array $max The date has to be smaller than this array($day, $month, $year) + * + * @return bool + */ + function date($date, $format, $min = array(), $max = array()) + { + for ($i = 0; $i < strlen($format); $i++) { + $c = $format{$i}; + if ($c == '%') { + $next = $format{$i + 1}; + switch ($next) { + case 'j': + case 'd': + if ($next == 'j') { + $day = (int)Validate::_substr($date, 1, 2); + } else { + $day = (int)Validate::_substr($date, 2); + } + if ($day < 1 || $day > 31) { + return false; + } + break; + case 'm': + case 'n': + if ($next == 'm') { + $month = (int)Validate::_substr($date, 2); + } else { + $month = (int)Validate::_substr($date, 1, 2); break; + } + if ($month < 1 || $month > 12) { + return false; + } + break; + case 'Y': + case 'y': + if ($next == 'Y') { + $year = (int)Validate::_substr($date, 4); break; + } else { + $year = (int)(substr(date('Y'), 2) . + Validate::_substr($date, 2)); + } + if ($year < 0 || $year > 9999) { + return false; + } + break; + case 'g': + case 'h': + if ($next == 'g') { + $hour = Validate::_substr($date, 1, 2); + } else { + $hour = Validate::_substr($date, 2); + } + if ($hour < 0 || $hour > 12) { + return false; + } + break; + case 'G': + case 'H': + if ($next == 'G') { + $hour = Validate::_substr($date, 1, 2); + } else { + $hour = Validate::_substr($date, 2); + } + if ($hour < 0 || $hour > 24) { + return false; + } + break; + case 's': + case 'i': + $t = Validate::_substr($date, 2); + if ($t < 0 || $t > 60) { + return false; + } + break; + default: + trigger_error("Not supported char `$next' after %", E_USER_WARNING); + } + $i++; + } else { + //literal + if (Validate::_substr($date, 1) != $c) { + return false; + } + } + } + if (isset($day) && isset($month) && isset($year)) { + include_once 'Date/Calc.php'; + if (!Date_Calc::isValidDate($day, $month, $year)) { + return false; + } + if ($min && + (Date_Calc::compareDates($day, $month, $year, + $min[0], $min[1], $min[2]) > 0)) + { + return false; + } + if ($max && + (Date_Calc::compareDates($day, $month, $year, + $max[0], $max[1], $max[2]) < 0)) + { + return false; + } + } + return true; + } + + function _substr(&$date, $num, $opt = false) + { + if ($opt && strlen($date) >= $opt && preg_match('/^[0-9]{'.$opt.'}/', $date, $m)) { + $ret = $m[0]; + } else { + $ret = substr($date, 0, $num); + } + $date = substr($date, strlen($ret)); + return $ret; } /*