<?php
/*
* Form Data validation
*
*
* Full example:
*
* $rules = array(
* 'username' => 'charlength:8-16,alphanumeric',
* 'alphanumeric' => 'alphanumeric',
* 'required' => 'required',
* 'email' => 'email',
* 'alpha' => 'alpha',
* 'password' => 'password',
* 'range' => 'range:1-16',
* 'match' => 'match:this is a test',
* 'regex' => 'regex:/quick/'
* );
*
* $data = array(
* 'username' => 'markmendoza123',
* 'alphanumeric' => 'aaaaaa111111',
* 'required' => '',
* 'email' => 'markbmendoza@gmail.com',
* 'alpha' => 'aaaaaabbbbbbccccc',
* 'password' => '6alphanumeric',
* 'range' => '8',
* 'match' => 'this is a test',
* 'regex' => 'the quick brown'
*
* );
*
* $v = new \validation\validate($data, $rules);
*
* if(!$v->success()){
* var_dump($v->$errors);
* }else{
* echo 'Success.';
* }
*
*
*/
namespace validation{
class rules{
/* Add your rules here, return true means valid */
public static function regex($val,$regex){
return preg_match($regex,$val);
}
public static function match($val,$param){
return $val == $param;
}
public static function required($val){
return !empty($val);
}
public static function charlength($val,$param){
$l = strlen($val);
$p = explode('-',$param);
return $l >= $p[0] && $l <= $p[1];
}
public static function alphanumeric($val){
return preg_match('/^([0-9]+[a-zA-Z]+|[a-zA-Z]+[0-9]+)[0-9a-zA-Z]*$/', $val);
}
public static function email($val){
return preg_match('/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/',$val);
}
public static function alpha($val){
return preg_match('/^[A-Za-z]+$/',$val);
}
public static function password($val){
return preg_match('/^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{6,}$/',$val);
}
public static function url($val){
return preg_match('/(http(s)?:\/\/.)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/',$val);
}
public static function range($val,$param){
$p = explode('-',$param);
return $val >= $p[0] && $val <= $p[1];
}
}
class validate{
public $errors = false;
public function __construct($data, $rules){
//array('username' =>'charlength:8-16')
foreach($rules as $key => $val){
//charlength:8-16,alphanumeric
$rule = explode(',',$val);
foreach( $rule as $k => $v){
//charlength:8-16
$p = explode(':',$v,2);
if( !isset($data[$key]) || (isset($data[$key]) && !rules::{$p[0]}($data[$key],isset($p[1])?$p[1]:null) ) ){
$this->$errors[$key] = $val;
}
}
}
}
public function success(){
return !$this->$errors;
}
}
}
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