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

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP 5.1.6 or newer

 *

 * @package		CodeIgniter

 * @author		ExpressionEngine Dev Team

 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.

 * @license		http://codeigniter.com/user_guide/license.html

 * @link		http://codeigniter.com

 * @since		Version 1.0

 * @filesource

 */


// ------------------------------------------------------------------------


/**

 * CodeIgniter File Helpers

 *

 * @package		CodeIgniter

 * @subpackage	Helpers

 * @category	Helpers

 * @author		ExpressionEngine Dev Team

 * @link		http://codeigniter.com/user_guide/helpers/file_helpers.html

 */


// ------------------------------------------------------------------------


/**

 * Read File

 *

 * Opens the file specfied in the path and returns it as a string.

 *

 * @access	public

 * @param	string	path to file

 * @return	string

 */

if ( ! function_exists('read_file'))

{

	function read_file($file)

	{

		if ( ! file_exists($file))

		{

			return FALSE;

		}


		if (function_exists('file_get_contents'))

		{

			return file_get_contents($file);

		}


		if ( ! $fp = @fopen($file, FOPEN_READ))

		{

			return FALSE;

		}


		flock($fp, LOCK_SH);


		$data = '';

		if (filesize($file) > 0)

		{

			$data =& fread($fp, filesize($file));

		}


		flock($fp, LOCK_UN);

		fclose($fp);


		return $data;

	}

}


// ------------------------------------------------------------------------


/**

 * Write File

 *

 * Writes data to the file specified in the path.

 * Creates a new file if non-existent.

 *

 * @access	public

 * @param	string	path to file

 * @param	string	file data

 * @return	bool

 */

if ( ! function_exists('write_file'))

{

	function write_file($path, $data, $mode = FOPEN_WRITE_CREATE_DESTRUCTIVE)

	{

		if ( ! $fp = @fopen($path, $mode))

		{

			return FALSE;

		}


		flock($fp, LOCK_EX);

		fwrite($fp, $data);

		flock($fp, LOCK_UN);

		fclose($fp);


		return TRUE;

	}

}


// ------------------------------------------------------------------------


/**

 * Delete Files

 *

 * Deletes all files contained in the supplied directory path.

 * Files must be writable or owned by the system in order to be deleted.

 * If the second parameter is set to TRUE, any directories contained

 * within the supplied base directory will be nuked as well.

 *

 * @access	public

 * @param	string	path to file

 * @param	bool	whether to delete any directories found in the path

 * @return	bool

 */

if ( ! function_exists('delete_files'))

{

	function delete_files($path, $del_dir = FALSE, $level = 0)

	{

		// Trim the trailing slash

		$path = rtrim($path, DIRECTORY_SEPARATOR);


		if ( ! $current_dir = @opendir($path))

		{

			return FALSE;

		}


		while (FALSE !== ($filename = @readdir($current_dir)))

		{

			if ($filename != "." and $filename != "..")

			{

				if (is_dir($path.DIRECTORY_SEPARATOR.$filename))

				{

					// Ignore empty folders

					if (substr($filename, 0, 1) != '.')

					{

						delete_files($path.DIRECTORY_SEPARATOR.$filename, $del_dir, $level + 1);

					}

				}

				else

				{

					unlink($path.DIRECTORY_SEPARATOR.$filename);

				}

			}

		}

		@closedir($current_dir);


		if ($del_dir == TRUE AND $level > 0)

		{

			return @rmdir($path);

		}


		return TRUE;

	}

}


// ------------------------------------------------------------------------


/**

 * Get Filenames

 *

 * Reads the specified directory and builds an array containing the filenames.

 * Any sub-folders contained within the specified path are read as well.

 *

 * @access	public

 * @param	string	path to source

 * @param	bool	whether to include the path as part of the filename

 * @param	bool	internal variable to determine recursion status - do not use in calls

 * @return	array

 */

if ( ! function_exists('get_filenames'))

{

	function get_filenames($source_dir, $include_path = FALSE, $_recursion = FALSE)

	{

		static $_filedata = array();


		if ($fp = @opendir($source_dir))

		{

			// reset the array and make sure $source_dir has a trailing slash on the initial call

			if ($_recursion === FALSE)

			{

				$_filedata = array();

				$source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;

			}


			while (FALSE !== ($file = readdir($fp)))

			{

				if (@is_dir($source_dir.$file) && strncmp($file, '.', 1) !== 0)

				{

					get_filenames($source_dir.$file.DIRECTORY_SEPARATOR, $include_path, TRUE);

				}

				elseif (strncmp($file, '.', 1) !== 0)

				{

					$_filedata[] = ($include_path == TRUE) ? $source_dir.$file : $file;

				}

			}

			return $_filedata;

		}

		else

		{

			return FALSE;

		}

	}

}


// --------------------------------------------------------------------


/**

 * Get Directory File Information

 *

 * Reads the specified directory and builds an array containing the filenames,

 * filesize, dates, and permissions

 *

 * Any sub-folders contained within the specified path are read as well.

 *

 * @access	public

 * @param	string	path to source

 * @param	bool	Look only at the top level directory specified?

 * @param	bool	internal variable to determine recursion status - do not use in calls

 * @return	array

 */

if ( ! function_exists('get_dir_file_info'))

{

	function get_dir_file_info($source_dir, $top_level_only = TRUE, $_recursion = FALSE)

	{

		static $_filedata = array();

		$relative_path = $source_dir;


		if ($fp = @opendir($source_dir))

		{

			// reset the array and make sure $source_dir has a trailing slash on the initial call

			if ($_recursion === FALSE)

			{

				$_filedata = array();

				$source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;

			}


			// foreach (scandir($source_dir, 1) as $file) // In addition to being PHP5+, scandir() is simply not as fast

			while (FALSE !== ($file = readdir($fp)))

			{

				if (@is_dir($source_dir.$file) AND strncmp($file, '.', 1) !== 0 AND $top_level_only === FALSE)

				{

					get_dir_file_info($source_dir.$file.DIRECTORY_SEPARATOR, $top_level_only, TRUE);

				}

				elseif (strncmp($file, '.', 1) !== 0)

				{

					$_filedata[$file] = get_file_info($source_dir.$file);

					$_filedata[$file]['relative_path'] = $relative_path;

				}

			}


			return $_filedata;

		}

		else

		{

			return FALSE;

		}

	}

}


// --------------------------------------------------------------------


/**

* Get File Info

*

* Given a file and path, returns the name, path, size, date modified

* Second parameter allows you to explicitly declare what information you want returned

* Options are: name, server_path, size, date, readable, writable, executable, fileperms

* Returns FALSE if the file cannot be found.

*

* @access	public

* @param	string	path to file

* @param	mixed	array or comma separated string of information returned

* @return	array

*/

if ( ! function_exists('get_file_info'))

{

	function get_file_info($file, $returned_values = array('name', 'server_path', 'size', 'date'))

	{


		if ( ! file_exists($file))

		{

			return FALSE;

		}


		if (is_string($returned_values))

		{

			$returned_values = explode(',', $returned_values);

		}


		foreach ($returned_values as $key)

		{

			switch ($key)

			{

				case 'name':

					$fileinfo['name'] = substr(strrchr($file, DIRECTORY_SEPARATOR), 1);

					break;

				case 'server_path':

					$fileinfo['server_path'] = $file;

					break;

				case 'size':

					$fileinfo['size'] = filesize($file);

					break;

				case 'date':

					$fileinfo['date'] = filemtime($file);

					break;

				case 'readable':

					$fileinfo['readable'] = is_readable($file);

					break;

				case 'writable':

					// There are known problems using is_weritable on IIS.  It may not be reliable - consider fileperms()

					$fileinfo['writable'] = is_writable($file);

					break;

				case 'executable':

					$fileinfo['executable'] = is_executable($file);

					break;

				case 'fileperms':

					$fileinfo['fileperms'] = fileperms($file);

					break;

			}

		}


		return $fileinfo;

	}

}


// --------------------------------------------------------------------


/**

 * Get Mime by Extension

 *

 * Translates a file extension into a mime type based on config/mimes.php.

 * Returns FALSE if it can't determine the type, or open the mime config file

 *

 * Note: this is NOT an accurate way of determining file mime types, and is here strictly as a convenience

 * It should NOT be trusted, and should certainly NOT be used for security

 *

 * @access	public

 * @param	string	path to file

 * @return	mixed

 */

if ( ! function_exists('get_mime_by_extension'))

{

	function get_mime_by_extension($file)

	{

		$extension = strtolower(substr(strrchr($file, '.'), 1));


		global $mimes;


		if ( ! is_array($mimes))

		{

			if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))

			{

				include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');

			}

			elseif (is_file(APPPATH.'config/mimes.php'))

			{

				include(APPPATH.'config/mimes.php');

			}


			if ( ! is_array($mimes))

			{

				return FALSE;

			}

		}


		if (array_key_exists($extension, $mimes))

		{

			if (is_array($mimes[$extension]))

			{

				// Multiple mime types, just give the first one

				return current($mimes[$extension]);

			}

			else

			{

				return $mimes[$extension];

			}

		}

		else

		{

			return FALSE;

		}

	}

}


// --------------------------------------------------------------------


/**

 * Symbolic Permissions

 *

 * Takes a numeric value representing a file's permissions and returns

 * standard symbolic notation representing that value

 *

 * @access	public

 * @param	int

 * @return	string

 */

if ( ! function_exists('symbolic_permissions'))

{

	function symbolic_permissions($perms)

	{

		if (($perms & 0xC000) == 0xC000)

		{

			$symbolic = 's'; // Socket

		}

		elseif (($perms & 0xA000) == 0xA000)

		{

			$symbolic = 'l'; // Symbolic Link

		}

		elseif (($perms & 0x8000) == 0x8000)

		{

			$symbolic = '-'; // Regular

		}

		elseif (($perms & 0x6000) == 0x6000)

		{

			$symbolic = 'b'; // Block special

		}

		elseif (($perms & 0x4000) == 0x4000)

		{

			$symbolic = 'd'; // Directory

		}

		elseif (($perms & 0x2000) == 0x2000)

		{

			$symbolic = 'c'; // Character special

		}

		elseif (($perms & 0x1000) == 0x1000)

		{

			$symbolic = 'p'; // FIFO pipe

		}

		else

		{

			$symbolic = 'u'; // Unknown

		}


		// Owner

		$symbolic .= (($perms & 0x0100) ? 'r' : '-');

		$symbolic .= (($perms & 0x0080) ? 'w' : '-');

		$symbolic .= (($perms & 0x0040) ? (($perms & 0x0800) ? 's' : 'x' ) : (($perms & 0x0800) ? 'S' : '-'));


		// Group

		$symbolic .= (($perms & 0x0020) ? 'r' : '-');

		$symbolic .= (($perms & 0x0010) ? 'w' : '-');

		$symbolic .= (($perms & 0x0008) ? (($perms & 0x0400) ? 's' : 'x' ) : (($perms & 0x0400) ? 'S' : '-'));


		// World

		$symbolic .= (($perms & 0x0004) ? 'r' : '-');

		$symbolic .= (($perms & 0x0002) ? 'w' : '-');

		$symbolic .= (($perms & 0x0001) ? (($perms & 0x0200) ? 't' : 'x' ) : (($perms & 0x0200) ? 'T' : '-'));


		return $symbolic;

	}

}


// --------------------------------------------------------------------


/**

 * Octal Permissions

 *

 * Takes a numeric value representing a file's permissions and returns

 * a three character string representing the file's octal permissions

 *

 * @access	public

 * @param	int

 * @return	string

 */

if ( ! function_exists('octal_permissions'))

{

	function octal_permissions($perms)

	{

		return substr(sprintf('%o', $perms), -3);

	}

}


function generateRandomString($length = 10) {

	
    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

	
    $characters = str_shuffle($characters);

	
    return substr($characters, 0, $length);

}


function send_email($to,$host,$port,$username,$password,$from,$from_name,$subject,$html,$file='',$filename='',$file2='',$filename2='')

{	

	include_once('phpmailer/class.phpmailer.php');	

	
	$host = 'smtp.office365.com';

	$port = '587';

	$username = 'ilearn@imas.org.sg';

	$password = 'P@Imas1002';

	$from_name = 'Investment Management Association of Singapore (IMAS)';

	$from = 'ilearn@imas.org.sg';

	
	//Create a new PHPMailer instance

	$mail = new PHPMailer();

	//Tell PHPMailer to use SMTP

	$mail->IsSMTP();

	//Enable SMTP debugging

	// 0 = off (for production use)

	$mail->SMTPDebug  = 0;

	//Set the hostname of the mail server

	$mail->Host       = $host;

	//Set the SMTP port number - likely to be 25, 465 or 587

	$mail->Port       = $port;

	//Set the encryption system to use - ssl (deprecated) or tls

	$mail->SMTPSecure = 'tls';

	//Whether to use SMTP authentication

	$mail->SMTPAuth   = true;

	//Username to use for SMTP authentication

	$mail->Username   = $username;

	//Password to use for SMTP authentication

	$mail->Password   = $password;

	//Set who the message is to be sent from

	$mail->SetFrom($from,$from_name);

	//Set who the message is to be sent to

	$mail->AddAddress($to);

	
	//Set the subject line

	$mail->Subject = $subject;

	//Read an HTML message body

	$mail->MsgHTML($html);

	
	if($file != '')

	{

		$mail->AddAttachment($file,

							 $filename);

	}

	
	if($file2 != '')

	{

		$mail->AddAttachment($file2,

							 $filename2);

	}

	
	$delivery = $mail->Send();


	if (!$delivery) {

		$errorDetails = $mail->ErrorInfo;

		$fp = fopen('mail_logs/data.txt', 'a+');

		fwrite($fp, date('Y-m-d H:i:s').' - '.$errorDetails."\n\n");

		fclose($fp);

	}

	
	return $delivery;

}


function send_sms($mobile,$from,$text)

{

		
	$from = urlencode($from);


	$text = urlencode($text);

	
	$mobile = '+65'.$mobile;

	
	if($mobile != '' && $text != '')

	{			


		$service_url = 'https://www.etracker.cc/mes/mesbulk.aspx?user=gs1k01&pass=GSK11754sg&type=0&to='.$mobile.'&from='.$from.'&text='.$text.'&servid=MES01';

		$curl = curl_init($service_url);

		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

		$curl_response = curl_exec($curl);

		curl_close($curl);

		
		if ($curl_response !='') {		


			$sms_data = array(

				'ok'	=>	1,

				'mobile'	=>	$mobile,

				'message'	=>	$text,

				'sms_gateway_response'	=>	$curl_response,

			);


			return $sms_data;

			
		} else {

			return false;	

		}


	}		

}


function pdf_create($html, $filename, $stream = TRUE)

{


    require_once( 'mpdf/mpdf.php');


	$mpdf=new mPDF('utf-8', 'A4', 0, '', 10, 10, 10, 10, 10, 10);


    $mpdf->SetAutoFont();


    $mpdf->WriteHTML($html);


    if ($stream)

    {

        $mpdf->Output($filename . '.pdf', 'D');

    }

    else

    {

        $mpdf->Output('uploads/' . $filename . '.pdf', 'F');

        
        return 'uploads/' . $filename . '.pdf';

    }

}


function ageCalculator($dob,$today){


	if($dob == ''){

		$age = 0;

	
	} else {

	
		$dob = explode('-',$dob);

		$today = explode('-',$today);


		$dob_year = $dob[0];

		$current_year = $today[0];

		$dob_month = $dob[1];

		$current_month = $today[1];


		$age = $current_year - $dob_year;


		if($current_month > $dob_month)

		{

			$age++;

		}

		
	}


	return $age;


}


function read_excel($inputFileName)

{

	include 'PHPExcel/Classes/PHPExcel/IOFactory.php';

	
	if($inputFileName != '')

	{

		// Use PCLZip rather than ZipArchive to create the Excel2007 OfficeOpenXML file

		PHPExcel_Settings::setZipClass(PHPExcel_Settings::PCLZIP);


		//  Read your Excel workbook

		try {

			$inputFileType = PHPExcel_IOFactory::identify($inputFileName);

			
			$objReader = PHPExcel_IOFactory::createReader($inputFileType);

			$objPHPExcel = $objReader->load($inputFileName);

		} catch(Exception $e) {

			
		}

		
		$worksheetNames = $objReader->listWorksheetNames($inputFileName);

		
		$data = array();

		
		foreach($worksheetNames as $key=>$v)

		{

			$listing = array();

			//  Get worksheet dimensions

			$sheet = $objPHPExcel->getSheet($key);

			$highestRow = $sheet->getHighestRow(); 

			$highestColumn = $sheet->getHighestColumn();

	
			//  Loop through each row of the worksheet in turn

			for ($row = 1; $row <= $highestRow; $row++){ 

							
				//  Read a row of data into an array

				$rowData = $sheet->rangeToArray('A' . $row . ':' . $highestColumn . $row,

												NULL,

												TRUE,

												TRUE);

												
				 $rowData = array_map('array_filter', $rowData);

   			     $rowData = array_filter($rowData);

				
				$listing[] = $rowData[0];

			}

			
			$data[] = $listing;

		
		}

		
		return $data;

	}

}


function str_dollar($dollar)

{

	return str_replace('$','',$dollar);	

}


function export_excel($main_fields,$headers=array(),$list=array(),$exclude_field=array(),$filename,$worksheets_list)

{


	ini_set("include_path", ".:/home/payslip6/public_html/frontend/pear/:./home/payslip6/public_html/frontend/pear/");


	require_once 'Spreadsheet/Excel/Writer.php';


	$workbook = new Spreadsheet_Excel_Writer();


	$format_bold =& $workbook->addFormat();


	$format_bold->setBold();


	$format_bold->setAlign('left');


	$format_red =& $workbook->addFormat();


	$format_red->setBold();


	$format_red->setColor('red');


	$format_red->setBold();


	$format_bold->setAlign('left');


	foreach($worksheets_list as $keya=>$w)

	{

		$worksheet =& $workbook->addWorksheet($w);

	
		$format_notmaltext =& $workbook->addFormat();

	
		$format_notmaltext->setAlign('left');

	
		$radius = 17;

		$col_size = 20;

	
		$worksheet->setColumn(0,$radius,$col_size);

	
		$radius = 30;

		$col_size = 50;

		$worksheet->setColumn(18,$radius*2,$col_size);

		
		$format6 =& $workbook->addFormat();

		$format6->setFgColor('green');

		$format6->setColor('white');

		$format6->setPattern(3);

		
		$row = 0;

		$col = 0;

		
		$field = 0;

		
		foreach($main_fields[$keya] as $field_k=>$v)

		{

			$worksheet->write($row, $col, $field_k,$format6);

			
			$col++;

			
			$worksheet->write($row, $col, $v,$format6);

			
			if($field % 3 == 1)

				$row++;

			
			$field++;

		}

	
		$col = 0;

		foreach($headers[$keya] as $key=>$value)

		{

	
			if(!in_array($value,$exclude_field))

			{

				if(!in_array($value,$mandatory_field))

				{

					$worksheet->write($row, $col, $value,$format_bold);

				} else {

					$worksheet->write($row, $col, $value,$format_bold);

				}

				$col++;

			}

		}

	
		$row = 1;

		$col = 0;

	
		if(!empty($list[$keya]))

		{

	
			foreach($list[$keya] as $l)

			{

	
				foreach($l as $key=>$value)

				{

	
					if(!in_array($key,$exclude_field))

					{

						
						$worksheet->writeString($row, $col, stripslashes(html_entity_decode((string)$value)));

						$col++;

					}

	
					unset($value);

				}

				$row++;

				$col = 0;

			}

		}


	}


	$workbook->send($filename);

	$workbook->close();

}


function get_dates($month,$year)

{

	$list=array();


	for($d=1; $d<=31; $d++)

	{

		$time=mktime(12, 0, 0, $month, $d, $year);          

		if (date('m', $time)==$month)       

			$list[]=date('d/m/Y', $time);

	}

	
	return $list;

	
}


function endsWith($haystack, $needle)

{

    $length = strlen($needle);

    if ($length == 0) {

        return true;

    }


    return (substr($haystack, -$length) === $needle);

}


/* End of file file_helper.php */

/* Location: ./system/helpers/file_helper.php */