[aporte] sistema de validación de datos

[GrupoC]

Código PHP:

      private function validateSTRING($value)
    {
        $return="El campo $this->field ";
        if(isset($this->minchr) && strlen($value)<$this->minchr)
            return $this->showValidation($return." debe tener como m&iacute;nimo $this->minchr caracteres");
        if(isset($this->maxchr) && strlen($value)>$this->maxchr)
            return $this->showValidation($return." debe tener como m&aacute;ximo $this->maxchr caracteres");
        if($this->accnum==0 && preg_match('`[0-9]`',$value))
            return $this->showValidation($return." no puede contener n&uacute;meros");
        if($this->accnum==0 && preg_match('`[0-9]`',$value))
            return $this->showValidation($return." no puede contener n&uacute;meros");
        if($this->accsp==0 && strpos($value," ")!==false)
            return $this->showValidation($return." no puede contener espacios");
 
        if(isset($this->like)) {
            $last=(substr($this->like,0,1)=="%") ? true : false;
            $first=(substr($this->like,-1)=="%") ? true : false;
 
            $str=str_replace("%","",$this->like);
            
            if($first && $last) {
                if(strpos(strtolower($value),strtolower($str))===false)
                    return $this->showValidation($return." debe contener la cadena '$str'");
            } elseif($first) {
                if(strtolower(substr($value,0,strlen($str)))!=strtolower($str))
                    return $this->showValidation($return." debe comenzar por '$str'");
            } elseif($last) {
                if(strtolower(substr($value,-strlen($str)))!=strtolower($str))
                    return $this->showValidation($return." debe finalizar en '$str'");
            }
        }
        return $this->showValidation();
    }
 
    private function formatSize($size) {
        $sizes = array(" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB");
        return (round($size/pow(1024,($i=floor(log($size, 1024)))),2).$sizes[$i]);
    }
    
    private function validateFILE($value,$row)
    {
        $return="El campo $this->field ";
        $size=$this->elements[$row]["value"]["size"];
        $type=$this->elements[$row]["value"]["type"];
 
        $minsize=(isset($this->minsize)) ? true : false;
        $maxsize=(isset($this->maxsize)) ? true : false;
 
        if($minsize && $maxsize)
            if($size>$this->maxsize || $size<$this->minsize)
                return $this->showValidation($return." debe tener un tama&ntilde;o entre [".$this->formatSize($this->minsize)." , ".$this->formatSize($this->maxsize)."]");
        if($minsize && !$maxsize)
            if($size<$this->minsize)
                return $this->showValidation($return." debe tener un tama&ntilde;o mayor que ".$this->formatSize($this->minsize));
        if($maxsize && !$minsize)
            if($size>$this->maxsize)
                return $this->showValidation($return." debe tener un tama&ntilde;o menor que ".$this->formatSize($this->maxsize));
        
        if(isset($this->accformats)) {
            if(array_search($type, $this->accformats)===false) {
                $string="[ ";
                for($i=0;$i<count($this->accformats);$i++) {
                    $elements=explode("/",$this->accformats[$i]);
                    $string.=$elements[1]." , ";
                }
                $string=substr($string,0,-2)."]";
                return $this->showValidation($return." debe tener formato $string");
            }
        }
        
        return $this->showValidation();
    }
    
    private function unsetProperties()
    {
        $this->accnum="0";
        $this->accsp="0";
        $this->sql="0";
        unset($this->field);
        unset($this->min);
        unset($this->max);
        unset($this->type);
        unset($this->min);
        unset($this->max);
        unset($this->numdec);
        unset($this->sep);
        unset($this->only);
        unset($this->minchr);
        unset($this->maxchr);
        unset($this->tfh);
        unset($this->like);
        unset($this->minsize);
        unset($this->maxsize);
        unset($this->accformats);
        unset($this->mindate);
        unset($this->maxdate);
    }
    public function validateElements()
    {
        for($i=0;$i<$this->count;$i++)
        {
            $element=$this->elements[$i];
            $this->field=$element["name"];
            $this->valtype= isset($element["type"]) ? $element["type"] : "";
            $force=$element["force"];
            
            if(isset($element["valid"]))
            {
                if(array_search($element["value"],$element["valid"])===false)
                    $this->errors_in_validation.=$this->showValidation("El campo $this->field no es correcto");
                else
                    $this->errors_in_validation.=$this->showValidation();
                continue;
            }
            
            if(!is_array($element["value"]) && $this->valtype!="file")
                $value=$element["value"];
            else
                $value=$element["value"]["name"];
            
            if($force==0 && empty($value)) {
                $this->errors_in_validation.=$this->showValidation();
                continue;
            }
            if($force==1 && empty($value)) {
                $this->errors_in_validation.=$this->showValidation("El campo $this->field es obligado");
                continue;
            }
            
            foreach($element as $attr => $propertie)
                $this->$attr=$element[$attr];
            
            $function=strtoupper($this->valtype);
            $function="validate".$function;
            if($function=="validateFILE")
                $this->errors_in_validation.=$this->$function($element["value"],$i);
            else
                $this->errors_in_validation.=$this->$function($element["value"]);
            
            $this->unsetProperties();
        }
        return substr($this->errors_in_validation,0,-1);
    }
}
 
?> 
  

Y esta es la última parte del code.

Espero que sirva de algo!