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Validation.php
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Validation.php
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<?php
/**
* Validation
*
* Semplice classe PHP per la validazione.
*
* @author Davide Cesarano <[email protected]>
* @copyright (c) 2016, Davide Cesarano
* @license https://github.com/davidecesarano/Validation/blob/master/LICENSE MIT License
* @link https://github.com/davidecesarano/Validation
*/
class Validation {
/**
* @var array $patterns
*/
public $patterns = array(
'uri' => '[A-Za-z0-9-\/_?&=]+',
'url' => '[A-Za-z0-9-:.\/_?&=#]+',
'alpha' => '[\p{L}]+',
'words' => '[\p{L}\s]+',
'alphanum' => '[\p{L}0-9]+',
'int' => '[0-9]+',
'float' => '[0-9\.,]+',
'tel' => '[0-9+\s()-]+',
'text' => '[\p{L}0-9\s-.,;:!"%&()?+\'°#\/@]+',
'file' => '[\p{L}\s0-9-_!%&()=\[\]#@,.;+]+\.[A-Za-z0-9]{2,4}',
'folder' => '[\p{L}\s0-9-_!%&()=\[\]#@,.;+]+',
'address' => '[\p{L}0-9\s.,()°-]+',
'date_dmy' => '[0-9]{1,2}\-[0-9]{1,2}\-[0-9]{4}',
'date_ymd' => '[0-9]{4}\-[0-9]{1,2}\-[0-9]{1,2}',
'email' => '[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+[.]+[a-z-A-Z]'
);
/**
* @var array $errors
*/
public $errors = array();
/**
* Nome del campo
*
* @param string $name
* @return this
*/
public function name($name){
$this->name = $name;
return $this;
}
/**
* Valore del campo
*
* @param mixed $value
* @return this
*/
public function value($value){
$this->value = $value;
return $this;
}
/**
* File
*
* @param mixed $value
* @return this
*/
public function file($value){
$this->file = $value;
return $this;
}
/**
* Pattern da applicare al riconoscimento
* dell'espressione regolare
*
* @param string $name nome del pattern
* @return this
*/
public function pattern($name){
if($name == 'array'){
if(!is_array($this->value)){
$this->errors[] = 'Formato campo '.$this->name.' non valido.';
}
}else{
$regex = '/^('.$this->patterns[$name].')$/u';
if($this->value != '' && !preg_match($regex, $this->value)){
$this->errors[] = 'Formato campo '.$this->name.' non valido.';
}
}
return $this;
}
/**
* Pattern personalizzata
*
* @param string $pattern
* @return this
*/
public function customPattern($pattern){
$regex = '/^('.$pattern.')$/u';
if($this->value != '' && !preg_match($regex, $this->value)){
$this->errors[] = 'Formato campo '.$this->name.' non valido.';
}
return $this;
}
/**
* Campo obbligatorio
*
* @return this
*/
public function required(){
if((isset($this->file) && $this->file['error'] == 4) || ($this->value == '' || $this->value == null)){
$this->errors[] = 'Campo '.$this->name.' obbligatorio.';
}
return $this;
}
/**
* Lunghezza minima
* del valore del campo
*
* @param int $min
* @return this
*/
public function min($length){
if(is_string($this->value)){
if(strlen($this->value) < $length){
$this->errors[] = 'Valore campo '.$this->name.' inferiore al valore minimo';
}
}else{
if($this->value < $length){
$this->errors[] = 'Valore campo '.$this->name.' inferiore al valore minimo';
}
}
return $this;
}
/**
* Lunghezza massima
* del valore del campo
*
* @param int $max
* @return this
*/
public function max($length){
if(is_string($this->value)){
if(strlen($this->value) > $length){
$this->errors[] = 'Valore campo '.$this->name.' superiore al valore massimo';
}
}else{
if($this->value > $length){
$this->errors[] = 'Valore campo '.$this->name.' superiore al valore massimo';
}
}
return $this;
}
/**
* Confronta con il valore di
* un altro campo
*
* @param mixed $value
* @return this
*/
public function equal($value){
if($this->value != $value){
$this->errors[] = 'Valore campo '.$this->name.' non corrispondente.';
}
return $this;
}
/**
* Dimensione massima del file
*
* @param int $size
* @return this
*/
public function maxSize($size){
if($this->file['error'] != 4 && $this->file['size'] > $size){
$this->errors[] = 'Il file '.$this->name.' supera la dimensione massima di '.number_format($size / 1048576, 2).' MB.';
}
return $this;
}
/**
* Estensione (formato) del file
*
* @param string $extension
* @return this
*/
public function ext($extension){
if($this->file['error'] != 4 && pathinfo($this->file['name'], PATHINFO_EXTENSION) != $extension && strtoupper(pathinfo($this->file['name'], PATHINFO_EXTENSION)) != $extension){
$this->errors[] = 'Il file '.$this->name.' non è un '.$extension.'.';
}
return $this;
}
/**
* Purifica per prevenire attacchi XSS
*
* @param string $string
* @return $string
*/
public function purify($string){
return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
}
/**
* Campi validati
*
* @return boolean
*/
public function isSuccess(){
if(empty($this->errors)) return true;
}
/**
* Errori della validazione
*
* @return array $this->errors
*/
public function getErrors(){
if(!$this->isSuccess()) return $this->errors;
}
/**
* Visualizza errori in formato Html
*
* @return string $html
*/
public function displayErrors(){
$html = '<ul>';
foreach($this->getErrors() as $error){
$html .= '<li>'.$error.'</li>';
}
$html .= '</ul>';
return $html;
}
/**
* Visualizza risultato della validazione
*
* @return booelan|string
*/
public function result(){
if(!$this->isSuccess()){
foreach($this->getErrors() as $error){
echo "$error\n";
}
exit;
}else{
return true;
}
}
/**
* Verifica se il valore è
* un numero intero
*
* @param mixed $value
* @return boolean
*/
public static function is_int($value){
if(filter_var($value, FILTER_VALIDATE_INT)) return true;
}
/**
* Verifica se il valore è
* un numero float
*
* @param mixed $value
* @return boolean
*/
public static function is_float($value){
if(filter_var($value, FILTER_VALIDATE_FLOAT)) return true;
}
/**
* Verifica se il valore è
* una lettera dell'alfabeto
*
* @param mixed $value
* @return boolean
*/
public static function is_alpha($value){
if(filter_var($value, FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => "/^[a-zA-Z]+$/")))) return true;
}
/**
* Verifica se il valore è
* una lettera o un numero
*
* @param mixed $value
* @return boolean
*/
public static function is_alphanum($value){
if(filter_var($value, FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => "/^[a-zA-Z0-9]+$/")))) return true;
}
/**
* Verifica se il valore è
* un url
*
* @param mixed $value
* @return boolean
*/
public static function is_url($value){
if(filter_var($value, FILTER_VALIDATE_URL)) return true;
}
/**
* Verifica se il valore è
* un uri
*
* @param mixed $value
* @return boolean
*/
public static function is_uri($value){
if(filter_var($value, FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => "/^[A-Za-z0-9-\/_]+$/")))) return true;
}
/**
* Verifica se il valore è
* true o false
*
* @param mixed $value
* @return boolean
*/
public static function is_bool($value){
if(is_bool(filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE))) return true;
}
/**
* Verifica se il valore è
* un'e-mail
*
* @param mixed $value
* @return boolean
*/
public static function is_email($value){
if(filter_var($value, FILTER_VALIDATE_EMAIL)) return true;
}
}