checkClass

<?php

namespace app\libs;

/*

check::numeric("983723", check::length(2,4)); return false;
check::alfanumeric("hoi", check::length(2,4)); return true;

*/
class check
{
    static private $length_default = "+";
    static private $length_optional = "+";
    static private $length_pattern = null;

    static function lengthdefault()
    {
        if(self::$length_pattern = self::$length_default)
            return true;
        else
            return false;
    }
    static function length($min = null, $max = null){
        $length_pattern = null;
        $length_prefix = "{";
        $length_suffix = "}";
        $length_number = false;

        $min = self::numberonly($min)?$min:null;
        $max = self::numberonly($max)?$max:null;

        if ($min != null AND $max != null)
            $length_pattern = $length_prefix.$min.",".$max.$length_suffix;
        elseif ($min != null AND $max == null)
            $length_pattern = $length_prefix.$min.",".$length_suffix;
        elseif ($min == null AND $max != null)
            $length_pattern = $length_prefix.(1).",".$max.$length_suffix;

        if ($length_pattern == null) {
            self::lengthdefault();
            return false;
        }
        else{
            self::$length_pattern = $length_pattern;
            return true;
        }

    }
    static function lengthmust($value=null)
    {
        $length_pattern = null;
        if ($value!=null) {
            if (self::numberonly($value)) {
                $length_pattern = "{".$value."}";
            }
        }

        if ($length_pattern == null) {
            self::lengthdefault();
            return false;
        }
        else{
            self::$length_pattern = $length_pattern;
            return true;
        }
    }

    static private function getlength($notdefault=false)
    {
        if ($notdefault==false) {
            return self::$length_default;
        }
        else{
            return self::$length_pattern;
        }
    }
    static private function validate($value='', $pattern="/.*/")
    {
        if (preg_match($value, $pattern)) {
            return true;
        }
        else{
            return false;
        }
    }

    static function numeric($value='',$length=null,$identifier=null)
    {
        $pattern = "/^[0-9]".self::getlength($length)."$/".$identifier;
        return self::validate($value,$pattern);
    }
    static function numericplus($value='',$length=null,$identifier=null)
    {
        $pattern = "/^[0-9\-\s]".self::getlength($length)."$/".$identifier;
        return self::validate($value,$pattern);
    }
    static function phonenumber($value='',$length=null,$identifier=null)
    {
        $value = preg_replace("/[\-\s]+/", "", $value);
        $value = preg_replace("/^(\+?62)|^0/", "", $value);
        $pattern = "/^[0-9]".self::getlength($length)."$/".$identifier;
        return self::validate($value,$pattern);
    }
    static function alfanumeric($value='',$length=null,$identifier=null)
    {
        $pattern = "/^[0-9a-zA-Z]".self::getlength($length)."$/".$identifier;
        return self::validate($value,$pattern);
    }
}