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<?php
/**
* MÓDULO DE EMISIÓN ELECTRÓNICA F72X
* UBL 2.1
* Version 1.1
*
* Copyright 2018, Jaime Cruz
*/
namespace F72X\Tools;
class Validations {
* Checks if the provided value is a DNI.
* @param string $value
* @return boolean
public static function isDni($value) {
return is_numeric($value) && (strlen($value) == 8);
}
* Checks if the provided value is a RUC.
public static function isRuc($value) {
return is_numeric($value) && (strlen($value) == 11);
* Checks if a value exist in an array.
* @param mixed $needle The searched value.
* @param array $haystack The array.
* @param boolean $strict
* If the third parameter *strict* is set to **false**
* then the **isIn** function wont check the
* *needle* in the *haystack*.
public static function isIn($needle, array $haystack, $strict = true) {
return in_array($needle, $haystack, $strict);
public static function isArray($var) {
return is_array($var);
jDelta /
F72X
