<?php defined('BASEPATH') or exit('No direct script access allowed');

/**
* CMS Sekolahku | CMS (Content Management System) dan PPDB/PMB Online GRATIS
* untuk sekolah SD/Sederajat, SMP/Sederajat, SMA/Sederajat, dan Perguruan Tinggi
* @version 2.4.13
* @author Anton Sofyan | https://facebook.com/antonsofyan | [email protected] | 0857 5988 8922
* @copyright (c) 2014-2023
* @link https://sekolahku.web.id
*
* PERINGATAN :
* 1. TIDAK DIPERKENANKAN MENGGUNAKAN CMS INI TANPA SEIZIN DARI PIHAK PENGEMBANG APLIKASI.
* 2. TIDAK DIPERKENANKAN MEMPERJUALBELIKAN APLIKASI INI TANPA SEIZIN DARI PIHAK PENGEMBANG APLIKASI.
* 3. TIDAK DIPERKENANKAN MENGHAPUS KODE SUMBER APLIKASI.
*/


/**
* Is a Natural number, but not a zero (1,2,3, etc.)
* @param String $n
* @return Boolean
*/
if ( ! function_exists('_isNaturalNumber')) {
function _isNaturalNumber( $n ) {
return ($n != 0 && ctype_digit((string) $n));
}
}

/**
* Is Integer
* @param String $n
* @return Boolean
*/
if ( ! function_exists('_toInteger')) {
function _toInteger( $n ) {
$n = abs(intval(strval($n)));
return $n;
}
}

/**
* Copyright
* @param String $year
* @param String $link
* @param String $company
* @return String
*/
if ( ! function_exists('copyright')) {
function copyright($year = '', $link = '', $company_name = '') {
if ( ! _isValidYear( $year )) return;
$str = 'Copyright &copy; ';
$str .= date('Y') > $year ? $year . ' - ' . date('Y') : $year;
$str .= '<a href="';
$str .= $link == '' ? base_url() : $link;
$str .= '"> ';
$str .= $company_name == '' ? str_replace(array('http://', 'https://', 'www.'), '', rtrim(base_url(), '/')) : $company_name;
$str .= '</a>';
$str .= ' All rights reserved.';
return $str;
}
}

/**
* Filesize Formatted
* @param Int $size
* @return String
*/
if ( ! function_exists('filesize_formatted')) {
function filesize_formatted($size) {
$units = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
$power = $size > 0 ? floor(log($size, 1024)) : 0;
return number_format($size / pow(1024, $power), 2, '.', ',') . ' ' . $units[$power];
}
}

/**
* Create Directory
* @param String $dir
* @return Void
*/
if ( ! function_exists('create_dir')) {
function create_dir($dir) {
if (!is_dir($dir)) {
if (!mkdir($dir, 0777, true)) {
die('Tidak dapat membuat folder : ' . $dir);
}
}
}
}

/**
* extract_themes
* @return String
*/
if (! function_exists('extract_themes')) {
function extract_themes() {
$zip = new ZipArchive;
$zip->open('./views/themes/default.zip');
@chmod(FCPATH . 'views/themes', 0775);
$zip->extractTo('./views/themes/');
@chmod(FCPATH . 'views/themes/default/', 0775);
$zip->close();
}
}

/**
* get_options
* @param String $option_group
* @return Object
*/
if ( ! function_exists('get_options')) {
function get_options($option_group = '', $encode = TRUE) {
$CI = &get_instance();
$CI->load->model('m_options');
$options = $CI->m_options->get_options( $option_group );
if ( $encode ) return json_encode($options, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_THROW_ON_ERROR | JSON_UNESCAPED_SLASHES);
return $options;
}
}

/**
* get_option_id
* @param String $option_group
* @param String $option_name
* @return Int
*/
if ( ! function_exists('get_option_id')) {
function get_option_id($option_group = '', $option_name = '') {
$CI = &get_instance();
$CI->load->model('m_options');
$option_id = $CI->m_options->get_option_id( $option_group, $option_name );
return _toInteger($option_id);
}
}

/**
* get __session
* @param String $session_key
* @return Any
*/
if ( ! function_exists('__session')) {
function __session( $session_key ) {
$CI = &get_instance();
return $CI->session->userdata( $session_key );
}
}

/**
* Encode String
* @param String $str
* @return String
*/
if ( ! function_exists('encode_str')) {
function encode_str($str) {
$CI = &get_instance();
$CI->load->library('encrypt');
$ret = $CI->encrypt->encode($str, $CI->config->item('encryption_key'));
$ret = strtr($ret, array('+' => '.', '=' => '-', '/' => '~'));
return $ret;
}
}

/**
* Decode String
* @param String
* @return String
*/
if ( ! function_exists('decode_str')) {
function decode_str($str) {
$CI = &get_instance();
$CI->load->library('encrypt');
$str = strtr($str, array('.' => '+', '-' => '=', '~' => '/'));
return $CI->encrypt->decode($str, $CI->config->item('encryption_key'));
}
}

/**
* Indonesian Date Formated
* @param String $date
* @return String
*/
if ( ! function_exists('indo_date')) {
function indo_date($date) {
if (_isValidDate($date)) {
$parts = explode("-", $date);
$result = $parts[2] . ' ' . bulan($parts[1]) . ' ' . $parts[0];
return $result;
}
return '';
}
}

/**
* English Date Formated
* @param String $date
* @return String
*/
if ( ! function_exists('english_date')) {
function english_date($date) {
if (_isValidDate($date)) {
$parts = explode("-", $date);
$result = $parts[2] . ', ' . month($parts[1]) . ' ' . $parts[0];
return $result;
}
return '';
}
}

/**
* Day Name
* @param String $idx
* @return String
*/
if (! function_exists('day_name')) {
function day_name($idx) {
$arr = ['', 'Senin', 'Selasa', 'Rabu', 'Kamis', 'Jum\'at', 'Sabtu', 'Minggu'];
return $arr[$idx];
}
}

/**
* Check Is Valid Date ?
* @param String $date
* @return Boolean
*/
if ( ! function_exists('_isValidDate')) {
function _isValidDate($date) {
if (preg_match("/^([0-9]{4})-([0-9]{2})-([0-9]{2})$/", $date, $parts)) {
return checkdate($parts[2], $parts[3], $parts[1]) ? true : false;
}
return false;
}
}

/**
* Check Is Valid Year ?
* @param String $year
* @return Boolean
*/
if ( ! function_exists('_isValidYear')) {
function _isValidYear( $year ) {
if ( _toInteger($year) < 1000 || _toInteger($year) > 9999 ) return false;
return true;
}
}

/**
* Check Is Valid Month ?
* @param String $month
* @return Boolean
*/
if ( ! function_exists('_isValidMonth')) {
function _isValidMonth( $month ) {
if ( _toInteger($month) < 1 || _toInteger($month) > 12 ) return false;
return true;
}
}

/**
* Bulan
* @param String $key
* @return String
*/
if ( ! function_exists('bulan')) {
function bulan($key = '') {
$data = [
'01' => 'Januari',
'02' => 'Februari',
'03' => 'Maret',
'04' => 'April',
'05' => 'Mei',
'06' => 'Juni',
'07' => 'Juli',
'08' => 'Agustus',
'09' => 'September',
'10' => 'Oktober',
'11' => 'November',
'12' => 'Desember',
];
return $key === '' ? $data : $data[$key];
}
}

/**
* Month
* @param String $key
* @return String
*/
if ( ! function_exists('month')) {
function month($key = '') {
$data = [
'01' => 'January',
'02' => 'February',
'03' => 'March',
'04' => 'April',
'05' => 'May',
'06' => 'June',
'07' => 'July',
'08' => 'August',
'09' => 'September',
'10' => 'October',
'11' => 'November',
'12' => 'December',
];
return $key === '' ? $data : $data[$key];
}
}

/**
* Get IP Address
* @return String
*/
if (! function_exists('get_ip_address')) {
function get_ip_address() {
return getenv('HTTP_X_FORWARDED_FOR') ? getenv('HTTP_X_FORWARDED_FOR') : getenv('REMOTE_ADDR');
}
}

/**
* check_internet_connection
* @return Boolean
*/
if (! function_exists('check_internet_connection')) {
function check_internet_connection() {
return checkdnsrr('google.com');
}
}

/**
* Array Date
* @param String $start_date
* @param String $end_Date
* @return Array
*/
if ( ! function_exists('array_date')) {
function array_date($start_date, $end_date) {
if (!_isValidDate($start_date)) return [];
if (!_isValidDate($end_date)) return [];
$start_date = strtotime($start_date);
$end_date = strtotime($end_date);
if ($start_date > $end_date) return array_date($end_date, $start_date);
$dates = [];
do {
$dates[] = date('Y-m-d', $start_date);
$start_date = strtotime("+ 1 day", $start_date);
}
while($start_date <= $end_date);
return $dates;
}
}

/**
* Delete Cache
* @return Void
*/
if (! function_exists('delete_cache')) {
function delete_cache() {
$CI = &get_instance();
$CI->load->helper('directory');
$path = APPPATH . 'cache';
$files = directory_map($path, FALSE, TRUE);
foreach ($files as $file) {
if ($file !== 'index.html' && $file !== '.htaccess') {
@chmod($path . '/' . $file, 0777);
@unlink($path . '/' . $file);
}
}
}
}

/**
* Alpha Dash
* Check if a-z or 0-9 or _-
* @param String
* @return Boolean
*/
if (! function_exists('alpha_dash')) {
function alpha_dash($str) {
return ( ! preg_match("/^([-a-z0-9_])+$/i", $str)) ? FALSE : TRUE;
}
}

/**
* Slugify
* @param String
* @return String
*/
if (! function_exists('slugify')) {
function slugify( $str ) {
$lettersNumbersSpacesHyphens = '/[^\-\s\pN\pL]+/u';
$spacesDuplicateHypens = '/[\-\s]+/';
$str = preg_replace($lettersNumbersSpacesHyphens, '', $str);
$str = preg_replace($spacesDuplicateHypens, '-', $str);
$str = trim($str, '-');
return strtolower($str);
}
}

/**
* Timezone List
* @return String
*/
if (! function_exists('timezone_list')) {
function timezone_list() {
static $regions = array(DateTimeZone::ASIA);
$timezones = [];
foreach( $regions as $region ) {
$timezones = array_merge($timezones, DateTimeZone::listIdentifiers($region));
}
$timezone_offsets = [];
foreach($timezones as $timezone) {
$tz = new DateTimeZone($timezone);
$timezone_offsets[$timezone] = $tz->getOffset(new DateTime);
}
asort($timezone_offsets);
$timezone_list = [];
foreach( $timezone_offsets as $timezone => $offset ) {
$offset_prefix = $offset < 0 ? '-' : '+';
$offset_formatted = gmdate( 'H:i', abs($offset) );
$pretty_offset = "UTC${offset_prefix}${offset_formatted}";
$timezone_list[$timezone] = "(${pretty_offset}) $timezone";
}
return $timezone_list;
}
}

/**
* __captchaActivated
* @return Boolean
*/
if ( ! function_exists('__captchaActivated')) {
function __captchaActivated() {
return NULL !== __session('recaptcha_status') && __session('recaptcha_status') == 'enable';
}
}