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<?php
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/***************************************************************************
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* Copyright (C) 2009-2011 by Geo Varghese(www.seopanel.in) *
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* sendtogeo@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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# class defines all validations functions
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class Validation{
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var $flagErr;
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function __construct(){
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$this->Filters['email'] = "/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i" ;
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$this->Filters['number'] = "/^[0-9]+$/";
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$this->Filters['floatnumber'] = "/^\d+$|^\d+\.\d+$|^\.\d+$|^\-\d+$/";
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$this->Filters['phone'] = "/^[0-9\-\(\)\s\+]+$/";
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$this->Filters['startPhone'] = "/^[0-9\+\(]$/";
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$this->Filters['alpha']= "/^[a-zA-Z]+$/";
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$this->Filters['name']= "/^[a-zA-Z\'\-\s]+$/";
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$this->Filters['startName'] = "/^[a-zA-Z]$/";
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$this->Filters['nameGen'] = "/^[0-9a-zA-Z\-\s\'\!\@\#\$\%\^\&\*\(\)\-\_\+\?\.\:\;\[\]\/\,\"\=]+$/";
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$this->Filters['startGenName'] = $this->Filters['nameGen'];
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$this->Filters['uname'] = "/^[0-9a-zA-Z\-\_\.]+$/";
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}
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function getUniqueChars($entry){
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$arrVar = preg_split("//", $entry);
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return array_unique($arrVar);
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}
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function checkBlank($entry){
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if(strlen($entry) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkAlpha($entry){
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$entry = stripslashes(trim($entry));
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if (!preg_match($this->Filters['alpha'], $entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkUname($user_name){
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$user_name = stripslashes(trim($user_name));
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if(count($this->getUniqueChars($user_name)) <= 2){
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$msg = $_SESSION['text']['common']['entrynotvalid'];
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['uname'],$user_name)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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if(strlen($user_name) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkName($entry){
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$entry = stripslashes(trim($entry));
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if(!preg_match($this->Filters['name'],$entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['startName'],$entry{0})){
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$msg = $_SESSION['text']['common']['Invalid value'];
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$this->flagErr = true;
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}
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if(strlen($entry) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkLastName($entry){
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$entry = stripslashes(trim($entry));
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if(!preg_match($this->Filters['name'],$entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['startName'],$entry{0})){
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exit;
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$msg = $_SESSION['text']['common']['Invalid value'];
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$this->flagErr = true;
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}
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if(strlen($entry) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkEmail($entry){
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// check email using php function
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$entry = stripslashes(trim($entry));
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if (filter_var($entry, FILTER_VALIDATE_EMAIL) === false) {
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$msg = $_SESSION['text']['common']["Invalid email address entered"];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkPasswords($pass1, $pass2){
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if(strlen($pass1) < 6 || strlen($pass1) > 32){
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$msg = $_SESSION['text']['common']['password632'];
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$this->flagErr = true;
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}
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if($pass1!= $pass2){
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$msg = $_SESSION['text']['common']['passwordnotmatch'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkGenName($entry){
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$entry = stripslashes(trim($entry));
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if(count($this->getUniqueChars($entry)) <= 2){
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$msg = "The value doesnt seem to be valid";
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['nameGen'],$entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['startGenName'],$entry{0})){
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$msg = $_SESSION['text']['common']['Invalid value'];
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$this->flagErr = true;
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}
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if(strlen($entry) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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if(strval(floatval($entry)) == $entry){
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$msg = "The entry cant be a number.";
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['alpha'],$entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkPhone($entry){
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if(count($this->getUniqueChars($entry)) <= 2){
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$msg = "The entry doesnt seem to be valid";
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['phone'],$entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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if(!preg_match($this->Filters['startPhone'],$entry{0})){
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$msg = $_SESSION['text']['common']['Invalid value'];
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$this->flagErr = true;
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}
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if(strlen($entry) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkZip($entry){
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$entry = stripslashes(trim($entry));
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if(!preg_match($this->Filters['number'],$entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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if(strlen($entry) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkNumber($entry){
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$entry = stripslashes(trim($entry));
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if(!preg_match($this->Filters['floatnumber'],$entry)){
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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}
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if(strlen($entry) == 0){
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$msg = $_SESSION['text']['common']['Entry cannot be blank'];
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$this->flagErr = true;
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}
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return $msg;
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}
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function checkUnameLength($name){
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if(strlen($name) < 6){
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$msg = "The username string should have a length atleast of 6";
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$this->flagErr = true;
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}elseif(!preg_match('/\d+/',$name)){
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$msg = "The username string should have a atleast a number";
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$this->flagErr = true;
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}elseif(!preg_match('/[a-zA-Z]+/',$name)){
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$msg = "The username string should have a atleast a letter";
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$this->flagErr = true;
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}
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return $msg;
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}
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# func to check captcha
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function checkCaptcha($code) {
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$msg = '';
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if(!PhpCaptcha::Validate($_POST['code'])){
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$msg = $_SESSION['text']['common']["Invalid code entered"];
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$this->flagErr = true;
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}
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return $msg;
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}
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# func to check date
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function checkDate($date, $delimiter = '-') {
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$msg = '';
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$dateElements = explode($delimiter, $date);
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// explode and check the number of elements
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if (count($dateElements) == 3) {
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if (checkdate($dateElements[1], $dateElements[2], $dateElements[0])) {
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return $msg;
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}
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}
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$msg = $_SESSION['text']['common']['Invalid characters'];
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$this->flagErr = true;
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return $msg;
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}
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}
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?>
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