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<?php
/**
* Validation class
*
* Copyright (c) 1997-2006 Pierre-Alain Joye,Tomas V.V.Cox, Amir Saied
*
* This source file is subject to the New BSD license, That is bundled
* with this package in the file LICENSE, and is available through
* the world-wide-web at
* http://www.opensource.org/licenses/bsd-license.php
* If you did not receive a copy of the new BSDlicense and are unable
* to obtain it through the world-wide-web, please send a note to
* pajoye@php.net so we can mail you a copy immediately.
*
* Author: Tomas V.V.Cox <cox@idecnet.com>
* Pierre-Alain Joye <pajoye@php.net>
* Amir Mohammad Saied <amir@php.net>
*
*
* Package to validate various datas. It includes :
* - numbers (min/max, decimal or not)
* - email (syntax, domain check)
* - string (predifined type alpha upper and/or lowercase, numeric,...)
* - date (min, max, rfc822 compliant)
* - uri (RFC2396)
* - possibility valid multiple data with a single method call (::multiple)
*
* @category Validate
* @package Validate
* @author Tomas V.V.Cox <cox@idecnet.com>
* @author Pierre-Alain Joye <pajoye@php.net>
* @author Amir Mohammad Saied <amir@php.net>
* @copyright 1997-2006 Pierre-Alain Joye,Tomas V.V.Cox,Amir Mohammad Saied
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id$
* @link http://pear.php.net/package/Validate
*/
// {{{ Constants
/**
* Methods for common data validations
*/
define('VALIDATE_NUM', '0-9');
define('VALIDATE_SPACE', '\s');
define('VALIDATE_ALPHA_LOWER', 'a-z');
define('VALIDATE_ALPHA_UPPER', 'A-Z');
define('VALIDATE_ALPHA', VALIDATE_ALPHA_LOWER . VALIDATE_ALPHA_UPPER);
define('VALIDATE_EALPHA_LOWER', VALIDATE_ALPHA_LOWER . 'áéíóúýàèìòùäëïöüÿâêîôûãñõ¨åæç½ðøþß');
define('VALIDATE_EALPHA_UPPER', VALIDATE_ALPHA_UPPER . 'ÁÉÍÓÚÝÀÈÌÒÙÄËÏÖܾÂÊÎÔÛÃÑÕ¦ÅÆǼÐØÞ');
define('VALIDATE_EALPHA', VALIDATE_EALPHA_LOWER . VALIDATE_EALPHA_UPPER);
define('VALIDATE_PUNCTUATION', VALIDATE_SPACE . '\.,;\:&"\'\?\!\(\)');
define('VALIDATE_NAME', VALIDATE_EALPHA . VALIDATE_SPACE . "'" . '\-');
define('VALIDATE_STREET', VALIDATE_NUM . VALIDATE_NAME . "/\\ºª\.");
define('VALIDATE_ITLD_EMAILS', 1);
define('VALIDATE_GTLD_EMAILS', 2);
define('VALIDATE_CCTLD_EMAILS', 4);
define('VALIDATE_ALL_EMAILS', 8);
// }}}
/**
* Validation class
*
* Package to validate various datas. It includes :
* - numbers (min/max, decimal or not)
* - email (syntax, domain check)
* - string (predifined type alpha upper and/or lowercase, numeric,...)
* - date (min, max)
* - uri (RFC2396)
* - possibility valid multiple data with a single method call (::multiple)
*
* @category Validate
* @package Validate
* @author Tomas V.V.Cox <cox@idecnet.com>
* @author Pierre-Alain Joye <pajoye@php.net>
* @author Amir Mohammad Saied <amir@php.net>
* @copyright 1997-2006 Pierre-Alain Joye,Tomas V.V.Cox,Amir Mohammad Saied
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version Release: @package_version@
* @link http://pear.php.net/package/Validate
*/
class Validate
{
// {{{ International, Generic and Country code TLDs
/**
* International Top-Level Domain
*
* This is an array of the known international
* top-level domain names.
*
* @access protected
* @var array $_iTld (International top-level domains)
*/
var $_itld = array(
'arpa',
'root',
);
/**
* Generic top-level domain
*
* This is an array of the official
* generic top-level domains.
*
* @access protected
* @var array $_gTld (Generic top-level domains)
*/
var $_gtld = array(
'aero',
'biz',
'cat',
'com',
'coop',
'edu',
'gov',
'info',
'int',
'jobs',
'mil',
'mobi',
'museum',
'name',
'net',
'org',
'pro',
'travel',
'asia',
'post',
'tel',
'geo',
);
/**
* Country code top-level domains
*
* This is an array of the official country
* codes top-level domains
*
* @access protected
* @var array $_ccTld (Country Code Top-Level Domain)
*/
var $_cctld = array(
'ac',
'ad','ae','af','ag',
'ai','al','am','an',
'ao','aq','ar','as',
'at','au','aw','ax',
'az','ba','bb','bd',
'be','bf','bg','bh',
'bi','bj','bm','bn',
'bo','br','bs','bt',
'bu','bv','bw','by',
'bz','ca','cc','cd',
'cf','cg','ch','ci',
'ck','cl','cm','cn',
'co','cr','cs','cu',
'cv','cx','cy','cz',
'de','dj','dk','dm',
'do','dz','ec','ee',
'eg','eh','er','es',
'et','eu','fi','fj',
'fk','fm','fo','fr',
'ga','gb','gd','ge',
'gf','gg','gh','gi',
'gl','gm','gn','gp',
'gq','gr','gs','gt',
'gu','gw','gy','hk',
'hm','hn','hr','ht',
'hu','id','ie','il',
'im','in','io','iq',
'ir','is','it','je',
'jm','jo','jp','ke',
'kg','kh','ki','km',
'kn','kp','kr','kw',
'ky','kz','la','lb',
'lc','li','lk','lr',
'ls','lt','lu','lv',
'ly','ma','mc','md',
'me','mg','mh','mk',
'ml','mm','mn','mo',
'mp','mq','mr','ms',
'mt','mu','mv','mw',
'mx','my','mz','na',
'nc','ne','nf','ng',
'ni','nl','no','np',
'nr','nu','nz','om',
'pa','pe','pf','pg',
'ph','pk','pl','pm',
'pn','pr','ps','pt',
'pw','py','qa','re',
'ro','rs','ru','rw',
'sa','sb','sc','sd',
'se','sg','sh','si',
'sj','sk','sl','sm',
'sn','so','sr','st',
'su','sv','sy','sz',
'tc','td','tf','tg',
'th','tj','tk','tl',
'tm','tn','to','tp',
'tr','tt','tv','tw',
'tz','ua','ug','uk',
'us','uy','uz','va',
'vc','ve','vg','vi',
'vn','vu','wf','ws',
'ye','yt','yu','za',
'zm','zw',
);
// }}}
/**
* Validate a tag URI (RFC4151)
*
* @param string $uri tag URI to validate
*
* @return boolean true if valid tag URI, false if not
*
* @access private
*/
function __uriRFC4151($uri)
{
$datevalid = false;
if (preg_match(
'/^tag:(?<name>.*),(?<date>\d{4}-?\d{0,2}-?\d{0,2}):(?<specific>.*)(.*:)*$/', $uri, $matches)) {
$date = $matches['date'];
$date6 = strtotime($date);
if ((strlen($date) == 4) && $date <= date('Y')) {
$datevalid = true;
} elseif ((strlen($date) == 7) && ($date6 < strtotime("now"))) {
$datevalid = true;
} elseif ((strlen($date) == 10) && ($date6 < strtotime("now"))) {
$datevalid = true;
}
if (self::email($matches['name'])) {
$namevalid = true;
} else {
$namevalid = self::email('info@' . $matches['name']);
}
return $datevalid && $namevalid;
} else {
return false;
}
}
/**
* Validate a number
*
* @param string $number Number to validate
* @param array $options array where:
* 'decimal' is the decimal char or false when decimal
* not allowed.
* i.e. ',.' to allow both ',' and '.'
* 'dec_prec' Number of allowed decimals
* 'min' minimum value
* 'max' maximum value
*
* @return boolean true if valid number, false if not
*
* @access public
*/
function number($number, $options = array())
{
$decimal = $dec_prec = $min = $max = null;
if (is_array($options)) {
extract($options);
}
$dec_prec = $dec_prec ? "{1,$dec_prec}" : '+';
$dec_regex = $decimal ? "[$decimal][0-9]$dec_prec" : '';
if (!preg_match("|^[-+]?\s*[0-9]+($dec_regex)?\$|", $number)) {
return false;
}
if ($decimal != '.') {
$number = strtr($number, $decimal, '.');
}
$number = (float)str_replace(' ', '', $number);
if ($min !== null && $min > $number) {
return false;
}
if ($max !== null && $max < $number) {
return false;
}
return true;
}
/**
* Converting a string to UTF-7 (RFC 2152)
*
* @param string $string string to be converted
*
* @return string converted string
*
* @access private
*/
function __stringToUtf7($string)
{
$return = '';
$utf7 = array(
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K',
'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2',
'3', '4', '5', '6', '7', '8', '9', '+', ','
);
$state = 0;
if (!empty($string)) {
$i = 0;
while ($i <= strlen($string)) {
$char = substr($string, $i, 1);
if ($state == 0) {
if ((ord($char) >= 0x7F) || (ord($char) <= 0x1F)) {
if ($char) {
$return .= '&';
}
$state = 1;
} elseif ($char == '&') {
$return .= '&-';
} else {
$return .= $char;
}
} elseif (($i == strlen($string) ||
!((ord($char) >= 0x7F)) || (ord($char) <= 0x1F))) {
if ($state != 1) {
if (ord($char) > 64) {
$return .= '';
} else {
$return .= $utf7[ord($char)];
}
}
$return .= '-';
$state = 0;
} else {
switch($state) {
case 1:
$return .= $utf7[ord($char) >> 2];
$residue = (ord($char) & 0x03) << 4;
$state = 2;
break;
case 2:
$return .= $utf7[$residue | (ord($char) >> 4)];
$residue = (ord($char) & 0x0F) << 2;
$state = 3;
break;
case 3:
$return .= $utf7[$residue | (ord($char) >> 6)];
$return .= $utf7[ord($char) & 0x3F];
$state = 1;
break;
}
}
$i++;
}
return $return;
}
return '';
}
/**
* Validate an email according to full RFC822 (inclusive human readable part)
*
* @param string $email email to validate,
* will return the address for optional dns validation
* @param array $options email() options
*
* @return boolean true if valid email, false if not
*
* @access private
*/
function __emailRFC822(&$email, &$options)
{
static $address = null;
static $uncomment = null;
if (!$address) {
// atom = 1*<any CHAR except specials, SPACE and CTLs>
$atom = '[^][()<>@,;:\\".\s\000-\037\177-\377]+\s*';
// qtext = <any CHAR excepting <">, ; => may be folded
// "\" & CR, and including linear-white-space>
$qtext = '[^"\\\\\r]';
// quoted-pair = "\" CHAR ; may quote any char
$quoted_pair = '\\\\.';
// quoted-string = <"> *(qtext/quoted-pair) <">; Regular qtext or
// ; quoted chars.
$quoted_string = '"(?:' . $qtext . '|' . $quoted_pair . ')*"\s*';
// word = atom / quoted-string
$word = '(?:' . $atom . '|' . $quoted_string . ')';
// local-part = word *("." word) ; uninterpreted
// ; case-preserved
$local_part = $word . '(?:\.\s*' . $word . ')*';
// dtext = <any CHAR excluding "[", ; => may be folded
// "]", "\" & CR, & including linear-white-space>
$dtext = '[^][\\\\\r]';
// domain-literal = "[" *(dtext / quoted-pair) "]"
$domain_literal = '\[(?:' . $dtext . '|' . $quoted_pair . ')*\]\s*';
// sub-domain = domain-ref / domain-literal
// domain-ref = atom ; symbolic reference
$sub_domain = '(?:' . $atom . '|' . $domain_literal . ')';
// domain = sub-domain *("." sub-domain)
$domain = $sub_domain . '(?:\.\s*' . $sub_domain . ')*';
// addr-spec = local-part "@" domain ; global address
$addr_spec = $local_part . '@\s*' . $domain;
// route = 1#("@" domain) ":" ; path-relative
$route = '@' . $domain . '(?:,@\s*' . $domain . ')*:\s*';
// route-addr = "<" [route] addr-spec ">"
$route_addr = '<\s*(?:' . $route . ')?' . $addr_spec . '>\s*';
// phrase = 1*word ; Sequence of words
$phrase = $word . '+';
// mailbox = addr-spec ; simple address
// / phrase route-addr ; name & addr-spec
$mailbox = '(?:' . $addr_spec . '|' . $phrase . $route_addr . ')';
// group = phrase ":" [#mailbox] ";"
$group = $phrase . ':\s*(?:' . $mailbox . '(?:,\s*' . $mailbox . ')*)?;\s*';
// address = mailbox ; one addressee
// / group ; named list
$address = '/^\s*(?:' . $mailbox . '|' . $group . ')$/';
$uncomment =
'/((?:(?:\\\\"|[^("])*(?:' . $quoted_string .
')?)*)((?<!\\\\)\((?:(?2)|.)*?(?<!\\\\)\))/';
}
// strip comments
$email = preg_replace($uncomment, '$1 ', $email);
return preg_match($address, $email);
}
/**
* Full TLD Validation function
*
* This function is used to make a much more proficient validation
* against all types of official domain names.
*
* @param string $email The email address to check.
* @param array $options The options for validation
*
* @access protected
*
* @return bool True if validating succeeds
*/
function _fullTLDValidation($email, $options)
{
$validate = array();
if(!empty($options["VALIDATE_ITLD_EMAILS"])) array_push($validate, 'itld');
if(!empty($options["VALIDATE_GTLD_EMAILS"])) array_push($validate, 'gtld');
if(!empty($options["VALIDATE_CCTLD_EMAILS"])) array_push($validate, 'cctld');
if (count($validate) === 0) {
array_push($validate, 'itld', 'gtld', 'cctld');
}
$self = new Validate;
$toValidate = array();
foreach ($validate as $valid) {
$tmpVar = '_' . (string)$valid;
$toValidate[$valid] = $self->{$tmpVar};
}
$e = $self->executeFullEmailValidation($email, $toValidate);
return $e;
}
/**
* Execute the validation
*
* This function will execute the full email vs tld
* validation using an array of tlds passed to it.
*
* @param string $email The email to validate.
* @param array $arrayOfTLDs The array of the TLDs to validate
*
* @access public
*
* @return true or false (Depending on if it validates or if it does not)
*/
function executeFullEmailValidation($email, $arrayOfTLDs)
{
$emailEnding = explode('.', $email);
$emailEnding = $emailEnding[count($emailEnding)-1];
foreach ($arrayOfTLDs as $validator => $keys) {
if (in_array($emailEnding, $keys)) {
return true;
}
}
return false;
}
/**
* Validate an email
*
* @param string $email email to validate
* @param mixed boolean (BC) $check_domain Check or not if the domain exists
* array $options associative array of options
* 'check_domain' boolean Check or not if the domain exists
* 'use_rfc822' boolean Apply the full RFC822 grammar
*
* Ex.
* $options = array(
* 'check_domain' => 'true',
* 'fullTLDValidation' => 'true',
* 'use_rfc822' => 'true',
* 'VALIDATE_GTLD_EMAILS' => 'true',
* 'VALIDATE_CCTLD_EMAILS' => 'true',
* 'VALIDATE_ITLD_EMAILS' => 'true',
* );
*
* @return boolean true if valid email, false if not
*
* @access public
*/
function email($email, $options = null)
{
$check_domain = false;
$use_rfc822 = false;
if (is_bool($options)) {
$check_domain = $options;
} elseif (is_array($options)) {
extract($options);
}
/**
* Check for IDN usage so we can encode the domain as Punycode
* before continuing.
*/
$hasIDNA = false;
if (Validate::_includePathFileExists('Net/IDNA.php')) {
include_once('Net/IDNA.php');
$hasIDNA = true;
}
if ($hasIDNA === true) {
if (strpos($email, '@') !== false) {
$tmpEmail = explode('@', $email);
$domain = array_pop($tmpEmail);
// Check if the domain contains characters > 127 which means
// it's an idn domain name.
$chars = count_chars($domain, 1);
if (!empty($chars) && max(array_keys($chars)) > 127) {
$idna =& Net_IDNA::singleton();
$domain = $idna->encode($domain);
}
array_push($tmpEmail, $domain);
$email = implode('@', $tmpEmail);
}
}
/**
* @todo Fix bug here.. even if it passes this, it won't be passing
* The regular expression below
*/
if (isset($fullTLDValidation)) {
//$valid = Validate::_fullTLDValidation($email, $fullTLDValidation);
$valid = Validate::_fullTLDValidation($email, $options);
if (!$valid) {
return false;
}
}
// the base regexp for address
$regex = '&^(?: # recipient:
("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name
([-\w!\#\$%\&\'*+~/^`|{}]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}]+)*)) #2 OR dot-atom
@(((\[)? #3 domain, 4 as IPv4, 5 optionally bracketed
(?:(?:(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:[0-1]?[0-9]?[0-9]))\.){3}
(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:[0-1]?[0-9]?[0-9]))))(?(5)\])|
((?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?\.)*[a-z0-9](?:[-a-z0-9]*[a-z0-9])?) #6 domain as hostname
\.((?:([^- ])[-a-z]*[-a-z]))) #7 TLD
$&xi';
//checks if exists the domain (MX or A)
if ($use_rfc822? Validate::__emailRFC822($email, $options) :
preg_match($regex, $email)) {
if ($check_domain && function_exists('checkdnsrr')) {
$domain = preg_replace('/[^-a-z.0-9]/i', '', array_pop(explode('@', $email)));
if (checkdnsrr($domain, 'MX') || checkdnsrr($domain, 'A')) {
return true;
}
return false;
}
return true;
}
return false;
}
/**
* Validate a string using the given format 'format'
*
* @param string $string String to validate
* @param array $options Options array where:
* 'format' is the format of the string
* Ex:VALIDATE_NUM . VALIDATE_ALPHA (see constants)
* 'min_length' minimum length
* 'max_length' maximum length
*
* @return boolean true if valid string, false if not
*
* @access public
*/
function string($string, $options)
{
$format = null;
$min_length = 0;
$max_length = 0;
if (is_array($options)) {
extract($options);
}
if ($format && !preg_match("|^[$format]*\$|s", $string)) {
return false;
}
if ($min_length && strlen($string) < $min_length) {
return false;
}
if ($max_length && strlen($string) > $max_length) {
return false;
}
return true;
}
/**
* Validate an URI (RFC2396)
* This function will validate 'foobarstring' by default, to get it to validate
* only http, https, ftp and such you have to pass it in the allowed_schemes
* option, like this:
* <code>
* $options = array('allowed_schemes' => array('http', 'https', 'ftp'))
* var_dump(Validate::uri('http://www.example.org', $options));
* </code>
*
* NOTE 1: The rfc2396 normally allows middle '-' in the top domain
* e.g. http://example.co-m should be valid
* However, as '-' is not used in any known TLD, it is invalid
* NOTE 2: As double shlashes // are allowed in the path part, only full URIs
* including an authority can be valid, no relative URIs
* the // are mandatory (optionally preceeded by the 'sheme:' )
* NOTE 3: the full complience to rfc2396 is not achieved by default
* the characters ';/?:@$,' will not be accepted in the query part
* if not urlencoded, refer to the option "strict'"
*
* @param string $url URI to validate
* @param array $options Options used by the validation method.
* key => type
* 'domain_check' => boolean
* Whether to check the DNS entry or not
* 'allowed_schemes' => array, list of protocols
* List of allowed schemes ('http',
* 'ssh+svn', 'mms')
* 'strict' => string the refused chars
* in query and fragment parts
* default: ';/?:@$,'
* empty: accept all rfc2396 foreseen chars
*
* @return boolean true if valid uri, false if not
*
* @access public
*/
function uri($url, $options = null)
{
$strict = ';/?:@$,';
$domain_check = false;
$allowed_schemes = null;
if (is_array($options)) {
extract($options);
}
if (is_array($allowed_schemes) &&
in_array("tag", $allowed_schemes)
) {
if (strpos($url, "tag:") === 0) {
return self::__uriRFC4151($url);
}
}
if (preg_match(
'&^(?:([a-z][-+.a-z0-9]*):)? # 1. scheme
(?:// # authority start
(?:((?:%[0-9a-f]{2}|[-a-z0-9_.!~*\'();:\&=+$,])*)@)? # 2. authority-userinfo
(?:((?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?\.)*[a-z](?:[a-z0-9]+)?\.?) # 3. authority-hostname OR
|([0-9]{1,3}(?:\.[0-9]{1,3}){3})) # 4. authority-ipv4
(?::([0-9]*))?) # 5. authority-port
((?:/(?:%[0-9a-f]{2}|[-a-z0-9_.!~*\'():@\&=+$,;])*)*/?)? # 6. path
(?:\?([^#]*))? # 7. query
(?:\#((?:%[0-9a-f]{2}|[-a-z0-9_.!~*\'();/?:@\&=+$,])*))? # 8. fragment
$&xi', $url, $matches)) {
$scheme = isset($matches[1]) ? $matches[1] : '';
$authority = isset($matches[3]) ? $matches[3] : '' ;
if (is_array($allowed_schemes) &&
!in_array($scheme, $allowed_schemes)
) {
return false;
}
if (!empty($matches[4])) {
$parts = explode('.', $matches[4]);
foreach ($parts as $part) {
if ($part > 255) {
return false;
}
}
} elseif ($domain_check && function_exists('checkdnsrr')) {
if (!checkdnsrr($authority, 'A')) {
return false;
}
}
if ($strict) {
$strict = '#[' . preg_quote($strict, '#') . ']#';
if ((!empty($matches[7]) && preg_match($strict, $matches[7]))
|| (!empty($matches[8]) && preg_match($strict, $matches[8]))) {
return false;
}
}
return true;
}
return false;
}
/**
* Validate date and times. Note that this method need the Date_Calc class
*
* @param string $date Date to validate
* @param array $options array options where :
* 'format' The format of the date (%d-%m-%Y)
* or rfc822_compliant
* 'min' The date has to be greater
* than this array($day, $month, $year)
* or PEAR::Date object
* 'max' The date has to be smaller than
* this array($day, $month, $year)
* or PEAR::Date object
*
* @return boolean true if valid date/time, false if not
*
* @access public
*/
function date($date, $options)
{
$max = false;
$min = false;
$format = '';
if (is_array($options)) {
extract($options);
}
if (strtolower($format) == 'rfc822_compliant') {
$preg = '&^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),) \s+
(?:(\d{2})?) \s+
(?:(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)?) \s+
(?:(\d{2}(\d{2})?)?) \s+
(?:(\d{2}?)):(?:(\d{2}?))(:(?:(\d{2}?)))? \s+
(?:[+-]\d{4}|UT|GMT|EST|EDT|CST|CDT|MST|MDT|PST|PDT|[A-IK-Za-ik-z])$&xi';
if (!preg_match($preg, $date, $matches)) {
return false;
}
$year = (int)$matches[4];
$months = array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
$month = array_keys($months, $matches[3]);
$month = (int)$month[0]+1;
$day = (int)$matches[2];
$weekday = $matches[1];
$hour = (int)$matches[6];
$minute = (int)$matches[7];
isset($matches[9]) ? $second = (int)$matches[9] : $second = 0;
if ((strlen($year) != 4) ||
($day > 31 || $day < 1)||
($hour > 23) ||
($minute > 59) ||
($second > 59)) {
return false;
}
} else {
$date_len = strlen($format);
for ($i = 0; $i < $date_len; $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, 0, 2);
}
if ($day < 1 || $day > 31) {
return false;
}
break;
case 'm':
case 'n':
if ($next == 'm') {
$month = (int)Validate::_substr($date, 0, 2);
} else {
$month = (int)Validate::_substr($date, 1, 2);
}
if ($month < 1 || $month > 12) {
return false;
}
break;
case 'Y':
case 'y':
if ($next == 'Y') {
$year = Validate::_substr($date, 4);
$year = (int)$year?$year:'';
} else {
$year = (int)(substr(date('Y'), 0, 2) .
Validate::_substr($date, 2));
}
if (strlen($year) != 4 || $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 (!preg_match('/^\d+$/', $hour) || $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 (!preg_match('/^\d+$/', $hour) || $hour < 0 || $hour > 24) {
return false;
}
break;
case 's':
case 'i':
$t = Validate::_substr($date, 2);
if (!preg_match('/^\d+$/', $t) || $t < 0 || $t > 59) {
return false;
}
break;
default:
trigger_error("Not supported char `$next' after % in offset " . ($i+2), E_USER_WARNING);
}
$i++;
} else {
//literal
if (Validate::_substr($date, 1) != $c) {
return false;
}
}
}
}
// there is remaing data, we don't want it
if (strlen($date) && (strtolower($format) != 'rfc822_compliant')) {
return false;
}
if (isset($day) && isset($month) && isset($year)) {
if (!checkdate($month, $day, $year)) {
return false;
}
if (strtolower($format) == 'rfc822_compliant') {
if ($weekday != date("D", mktime(0, 0, 0, $month, $day, $year))) {
return false;
}
}
if ($min) {
include_once 'Date/Calc.php';
if (is_a($min, 'Date') &&
(Date_Calc::compareDates($day, $month, $year,
$min->getDay(), $min->getMonth(), $min->getYear()) < 0)
) {
return false;
} elseif (is_array($min) &&
(Date_Calc::compareDates($day, $month, $year,
$min[0], $min[1], $min[2]) < 0)
) {
return false;
}
}
if ($max) {
include_once 'Date/Calc.php';
if (is_a($max, 'Date') &&
(Date_Calc::compareDates($day, $month, $year,
$max->getDay(), $max->getMonth(), $max->getYear()) > 0)
) {
return false;
} elseif (is_array($max) &&
(Date_Calc::compareDates($day, $month, $year,
$max[0], $max[1], $max[2]) > 0)
) {
return false;
}
}
}
return true;
}
/**
* Substr
*
* @param string &$date Date
* @param string $num Length
* @param string $opt Unknown
*
* @access private
* @return string
*/
function _substr(&$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 $ret;
}
function _modf($val, $div)
{
if (function_exists('bcmod')) {
return bcmod($val, $div);
} elseif (function_exists('fmod')) {
return fmod($val, $div);
}
$r = $val / $div;
$i = intval($r);
return intval($val - $i * $div + .1);
}
/**
* Calculates sum of product of number digits with weights
*
* @param string $number number string
* @param array $weights reference to array of weights
*
* @access protected
*
* @return int returns product of number digits with weights
*/
function _multWeights($number, &$weights)
{
if (!is_array($weights)) {
return -1;
}
$sum = 0;
$count = min(count($weights), strlen($number));
if ($count == 0) { // empty string or weights array
return -1;
}
for ($i = 0; $i < $count; ++$i) {
$sum += intval(substr($number, $i, 1)) * $weights[$i];
}
return $sum;
}
/**
* Calculates control digit for a given number
*
* @param string $number number string
* @param array $weights reference to array of weights
* @param int $modulo (optionsl) number
* @param int $subtract (optional) number
* @param bool $allow_high (optional) true if function can return number higher than 10
*
* @access protected
*
* @return int -1 calculated control number is returned
*/
function _getControlNumber($number, &$weights, $modulo = 10, $subtract = 0, $allow_high = false)
{
// calc sum
$sum = Validate::_multWeights($number, $weights);
if ($sum == -1) {
return -1;
}
$mod = Validate::_modf($sum, $modulo); // calculate control digit
if ($subtract > $mod && $mod > 0) {
$mod = $subtract - $mod;
}
if ($allow_high === false) {
$mod %= 10; // change 10 to zero
}
return $mod;
}
/**
* Validates a number
*
* @param string $number number to validate
* @param array $weights reference to array of weights
* @param int $modulo (optional) number
* @param int $subtract (optional) number
*
* @access protected
*
* @return bool true if valid, false if not
*/
function _checkControlNumber($number, &$weights, $modulo = 10, $subtract = 0)
{
if (strlen($number) < count($weights)) {
return false;
}
$target_digit = substr($number, count($weights), 1);
$control_digit = Validate::_getControlNumber($number, $weights, $modulo, $subtract, $modulo > 10);
if ($control_digit == -1) {
return false;
}
if ($target_digit === 'X' && $control_digit == 10) {
return true;
}
if ($control_digit != $target_digit) {
return false;
}
return true;
}
/**
* Bulk data validation for data introduced in the form of an
* assoc array in the form $var_name => $value.
* Can be used on any of Validate subpackages
*
* @param array $data Ex: array('name' => 'toto', 'email' => 'toto@thing.info');
* @param array $val_type Contains the validation type and all parameters used in.
* 'val_type' is not optional
* others validations properties must have the same name as the function
* parameters.
* Ex: array('toto'=>array('type'=>'string','format'='toto@thing.info','min_length'=>5));
* @param boolean $remove if set, the elements not listed in data will be removed
*
* @return array value name => true|false the value name comes from the data key
*
* @access public
*/
function multiple(&$data, &$val_type, $remove = false)
{
$keys = array_keys($data);
$valid = array();
foreach ($keys as $var_name) {
if (!isset($val_type[$var_name])) {
if ($remove) {
unset($data[$var_name]);
}
continue;
}
$opt = $val_type[$var_name];
$methods = get_class_methods('Validate');
$val2check = $data[$var_name];
// core validation method
if (in_array(strtolower($opt['type']), $methods)) {
//$opt[$opt['type']] = $data[$var_name];
$method = $opt['type'];
unset($opt['type']);
if (sizeof($opt) == 1 && is_array(reset($opt))) {
$opt = array_pop($opt);
}
$valid[$var_name] = call_user_func(array('Validate', $method), $val2check, $opt);
/**
* external validation method in the form:
* "<class name><underscore><method name>"
* Ex: us_ssn will include class Validate/US.php and call method ssn()
*/
} elseif (strpos($opt['type'], '_') !== false) {
$validateType = explode('_', $opt['type']);
$method = array_pop($validateType);
$class = implode('_', $validateType);
$classPath = str_replace('_', DIRECTORY_SEPARATOR, $class);
$class = 'Validate_' . $class;
if (Validate::_includePathFileExists("Validate/$classPath.php")) {
include_once "Validate/$classPath.php";
} else {
trigger_error("$class isn't installed or you may have some permission issues", E_USER_ERROR);
}
$ce = substr(phpversion(), 0, 1) > 4 ?
class_exists($class, false) : class_exists($class);
if (!$ce ||
!in_array($method, get_class_methods($class))
) {
trigger_error("Invalid validation type $class::$method",
E_USER_WARNING);
continue;
}
unset($opt['type']);
if (sizeof($opt) == 1) {
$opt = array_pop($opt);
}
$valid[$var_name] = call_user_func(array($class, $method),
$data[$var_name], $opt);
} else {
trigger_error("Invalid validation type {$opt['type']}",
E_USER_WARNING);
}
}
return $valid;
}
/**
* Determine whether specified file exists along the include path.
*
* @param string $filename file to search for
*
* @access private
*
* @return bool true if file exists
*/
function _includePathFileExists($filename)
{
$paths = explode(":", ini_get("include_path"));
$result = false;
while ((!($result)) && (list($key,$val) = each($paths))) {
$result = file_exists($val . "/" . $filename);
}
return $result;
}
}
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