My PhP Function

<?php
/**
 *  Custom Helper Function Creted By VeeRa
 *
 * @package CodeIgniter
 * @author  VeeRa
 *
 */
// hashid function for id encryption
if (!function_exists('hashid'))
{
    function hashid($string, $action = 'e')
    {
        $secret_key = '*BTzH38rZvEF';
        $secret_iv = 'e3!eWt7oasLp';

        $output = false;
        $encrypt_method = "AES-256-CBC";
        $key = hash( 'sha256', $secret_key );
        $iv = substr( hash( 'sha256', $secret_iv ), 0, 16 );

        if( $action == 'e' ) {
            $output = base64_encode( openssl_encrypt( $string, $encrypt_method, $key, 0, $iv ) );
        }
        else if( $action == 'd' ){
            $output = openssl_decrypt( base64_decode( $string ), $encrypt_method, $key, 0, $iv );
        }
        return $output;
    }
}

// time elapsed ex. "2 min ago"
if (!function_exists('time_elapsed_string'))
{
    /**
     * [time_elapsed_string description]
     * @param  [type]  $datetime [description]
     * @param  boolean $full     [description]
     * @return [string]          [description]
     */
    function time_elapsed_string($datetime, $full = false)
    {
        $now = new DateTime;
        $ago = new DateTime($datetime);
        $diff = $now->diff($ago);

        $diff->w = floor($diff->d / 7);
        $diff->d -= $diff->w * 7;

        $string = array(
            'y' => 'year',
            'm' => 'month',
            'w' => 'week',
            'd' => 'day',
            'h' => 'hour',
            'i' => 'minute',
            's' => 'second',
        );
        foreach ($string as $k => &$v) {
            if ($diff->$k) {
                $v = $diff->$k . ' ' . $v . ($diff->$k > 1 ? 's' : '');
            } else {
                unset($string[$k]);
            }
        }

        if (!$full) $string = array_slice($string, 0, 1);
        return $string ? implode(', ', $string) . ' ago' : 'just now';
    }
}

//OTP Generate
if(!function_exists("otp_generate"))
{
    /**
     * [otp_generate description]
     * @param  integer $length    [default length is 6 digit]
     * @return [integer]          [random digit]
     */
    function otp_generate($length=6)
    {
        if(is_numeric($length))
        {
            $chars      = "0123456789";
            $otp        = substr(str_shuffle($chars), 0, $length);
            return $otp;
        }
    }
}

// date Format Change dd-mm-yyyy to yyyy-mm-dd
if(!function_exists("dateFormatSQL"))
{
    /**
     * [dateFormatSQL description]
     * @param  string $date [description]
     * @return [type]       [description]
     */
    function dateFormatSQL($date="")
    {
        if($date !="")
        {
            $output = date_format(date_create_from_format('d-m-Y', $date), 'Y-m-d');
            return $output;
        }
    }
}

// date Format Change  yyyy-mm-dd to dd-mm-yyyy
if(!function_exists("dateFormatPHP"))
{
    /**
     * [dateFormatPHP description]
     * @param  string $date [description]
     * @return [date]       [description]
     */
    function dateFormatPHP($date="")
    {
        if($date !="")
        {
            $output = date_format(date_create_from_format('Y-m-d', $date), 'd-m-Y');
            return $output;
        }
    }
}

// SQL DateTime
if(!function_exists("SQL_DT"))
{
    function SQL_DT()
    {
        return date('Y-m-d H:i:s');
    }
}

// 24hr_to_12hr
if(!function_exists("time_in_12_hour_format"))
{
    /**
     * [time_in_12_hour_format description]
     * @param  [type] $time [description]
     * @return [type]       [description]
     */
    function time_in_12_hour_format($time)
    {
        return date("g:i A", strtotime($time));
        // Input  : 08:12
        // Output : 08:12 AM/PM
    }
}

// 12hr_to_24hr
if(!function_exists("time_in_24_hour_format"))
{
    function time_in_24_hour_format($time)
    {
        return date("H:i", strtotime($time));
        // Input  : 08:12 AM/PM
        // Output : 08:12
    }
}

if(!function_exists("filesize_formatted"))
{
    function filesize_formatted($path)
    {
        $size = filesize($path);
        $units = array( '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];
    }
}

if(!function_exists("send_sms_api"))
{
    /**
     * [send_sms_api description]
     * @param  [string] $msg    [description]
     * @param  [string] $mobile [description]
     * @return [type]         [description]
     */
    function send_sms_api($message, $mobileNumber)
    {
        //Your authentication key
        $authKey = "";

        //Multiple mobiles numbers separated by comma
        // $mobileNumber = "9999999";

        //Sender ID, While using route4 sender id should be 6 characters long.
        $senderId = "";

        //Your message to send, Add URL encoding here.
        // $message = urlencode("Test message");

        //Define route
        $route = "4";

        //Country
        $country = "91";

        //Prepare you post parameters
        $postData = array(
            'authkey' => $authKey,
            'mobiles' => $mobileNumber,
            'message' => $message,
            'sender' => $senderId,
            'route' => $route,
            'country' => $country
        );

        //API URL
        $url="http://api.msg91.com/api/sendhttp.php";

        // init the resource
        $ch = curl_init();
        curl_setopt_array($ch, array(
            CURLOPT_URL => $url,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => $postData
            //,CURLOPT_FOLLOWLOCATION => true
        ));


        //Ignore SSL certificate verification
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);


        //get response
        $output = curl_exec($ch);

        //Print error if any
        // if(curl_errno($ch))
        // {
        //     echo 'error:' . curl_error($ch);
        // }

        curl_close($ch);

        // echo $output;
    }
}

// Single File Upload
if(!function_exists("file_upload"))
{
    /**
     * [file_upload description]
     * @param  [string] $path          [ folder path ]
     * @param  [string] $file          [ upload controller whole array ]
     * @param  [string] $allowed_types [ example : "jpg|jpeg|png|webp" ]
     * @return [string]                [ file_name ]
     */
    function file_upload($path, $file, $allowed_types)
    {
        $ci =& get_instance();

        // Make Folder
        if(file_exists(FCPATH.$path)){
            // echo ("$file is a directory");
        }else{
            mkdir(FCPATH.$path, 0777, true);
            // echo ("$file is not a directory");
        }

        $name = explode('.', $file['name']);
        $filename = time().rand(1000,9999).'.'.end($name);

        $config = array(
            'upload_path'     => $path,
            'upload_url'      => base_url().$path,
            'allowed_types'   => $allowed_types,
            'file_name'       => $filename
        );

        $ci->load->library('upload', $config);

        $ci->upload->initialize($config);

        $_FILES['image']['name'] = $file['name'];
        $_FILES['image']['type'] = $file['type'];
        $_FILES['image']['tmp_name'] = $file['tmp_name'];
        $_FILES['image']['error'] = $file['error'];
        $_FILES['image']['size'] = $file['size'];

        if ($ci->upload->do_upload("image"))
        {
            $ci->upload->data();
        } else {
            // return false;
            return $ci->upload->display_errors();;
        }

        return $filename;
    }
}

// Multiple File Upload
if(!function_exists("file_upload_multi"))
{
    /**
     * [file_upload_multi description]
     * @param  [type] $path          [ folder path ]
     * @param  [type] $files         [ upload controller whole array ]
     * @param  [type] $allowed_types [ example : "jpg|jpeg|png|webp" ]
     * @return [type]                [ file_name ]
     */
    function file_upload_multi($path, $files, $allowed_types)
    {
        $ci =& get_instance();

        // Make Folder
        if(file_exists(FCPATH.$path)){
            // echo ("$file is a directory");
        }else{
            mkdir(FCPATH.$path, 0777, true);
            // echo ("$file is not a directory");
        }

        $config = array(
            'upload_path'     => $path,
            'upload_url'      => base_url().$path,
            'allowed_types'   => $allowed_types,
        );

        $ci->load->library('upload', $config);

        $images = array();

        foreach ($files['name'] as $key => $image)
        {
            $_FILES['images[]']['name'] = $files['name'][$key];
            $_FILES['images[]']['type'] = $files['type'][$key];
            $_FILES['images[]']['tmp_name'] = $files['tmp_name'][$key];
            $_FILES['images[]']['error'] = $files['error'][$key];
            $_FILES['images[]']['size'] = $files['size'][$key];

            $name = explode('.', $files['name'][$key]);
            $fileName = time().rand(1000,9999).'.'.end($name);

            $images[] = $fileName;

            $config['file_name'] = $fileName;

            $ci->upload->initialize($config);

            if ($ci->upload->do_upload('images[]'))
            {
                $ci->upload->data();
            } else {
                return false;
            }
        }

        return $images;
    }
}
if(!function_exists("get_int_with_zero"))
{
    public function get_int_with_zero($value)
    {
        // get value = 1
        // return value = 01
        $num_padded = sprintf("%02d", $value);
        return $num_padded;
    }
}

function DuplicateMySQLRecord($table, $primary_key_field, $primary_key_val, $update_value_array='')
{
    $CI = & get_instance();

    /* generate the select query */
    $CI->db->where($primary_key_field, $primary_key_val);
    $query = $CI->db->get($table);
    foreach ($query->result() as $row){
        foreach($row as $key=>$val){
            if($key != $primary_key_field){
                /* $CI->db->set can be used instead of passing a data array directly to the insert or update functions */
                if(array_key_exists($key, $update_value_array)){
                    $CI->db->set($key, $update_value_array[$key]);
                }else{
                    $CI->db->set($key, $val);
                }
            }//endif
        }//endforeach
    }//endforeach

    /* insert the new record into table*/
    $CI->db->insert($table);
    $insert_id = $CI->db->insert_id();
    return  $insert_id;
    // return $CI->db->insert($table);
}

getHostByName(getHostName()); // Get Local Area Current IP Address in Windows PC

// Get Current IP Address in Linux System

$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
$res = socket_connect($sock, '8.8.8.8', 53);
// You might want error checking code here based on the value of $res
socket_getsockname($sock, $addr);
socket_shutdown($sock);
socket_close($sock);
echo $addr; // Get Current IP HERE

function delete_folder_files($folder_path = '')
{
    if(!empty($folder_path))
    {
        //Get a list of all of the file names in the folder.
        $files = glob($folder_path . '/*');

        //Loop through the file list.
        foreach($files as $file)
        {
            //Make sure that this is a file and not a directory.
            if(is_file($file)) {
                //Use the unlink function to delete the file.
                unlink($file);
            }
        }
    }
}
?>