Nepal Finance Hub

currency:

set($currency):

Set the currency to be used in overall site.

public function set($currency) {

$this->code = $currency;

if ((!isset($this->session->data['currency'])) || ($this->session->data['currency'] != $currency)) {

$this->session->data['currency'] = $currency;

}

if ((!isset($this->request->cookie['currency'])) || ($this->request->cookie['currency'] != $currency)) {

setcookie('currency', $currency, time() + 60 * 60 * 24 * 30, '/', $this->request->server['HTTP_HOST']);

}

format($number, $currency = '', $value = '', $format = TRUE):

public function format($number, $currency = '', $value = '', $format = TRUE) {

if ($currency && $this->has($currency)) {

$symbol_left = $this->currencies[$currency]['symbol_left'];

$symbol_right = $this->currencies[$currency]['symbol_right'];

$decimal_place = $this->currencies[$currency]['decimal_place'];

} else {

$symbol_left = $this->currencies[$this->code]['symbol_left'];

$symbol_right = $this->currencies[$this->code]['symbol_right'];

$decimal_place = $this->currencies[$this->code]['decimal_place'];

$currency = $this->code;

}

if ($value) {

$value = $value;

} else {

$value = $this->currencies[$currency]['value'];

}

if ($value) {

$value = $number * $value;

} else {

$value = $number;

}

$string = '';

if (($symbol_left) && ($format)) {

$string .= $symbol_left;

}

if ($format) {

$decimal_point = $this->language->get('decimal_point');

} else {

$decimal_point = '.';

}

if ($format) {

$thousand_point = $this->language->get('thousand_point');

} else {

$thousand_point = '';

}

$string .= number_format(round($value, (int)$decimal_place), (int)$decimal_place, $decimal_point, $thousand_point);

if (($symbol_right) && ($format)) {

$string .= $symbol_right;

}

return $string;

}

convert($value, $from, $to):

Convert the given value from once currency to other. The parameters are $value means of what amount and $from means of which currency and $to mean to which currency is the value to be converted.

public function convert($value, $from, $to) {

if (isset($this->currencies[$from])) {

$from = $this->currencies[$from]['value'];

} else {

$from = 0;

}

if (isset($this->currencies[$to])) {

$to = $this->currencies[$to]['value'];

} else {

$to = 0;

}

return $value * ($to / $from);

}

getId():

Returns the currency ID.

public function getId() {

return $this->currencies[$this->code]['currency_id'];

}

getCode():

Returns the currency code.

public function getCode() {

return $this->code;

}

getValue($currency):

If the currency is set then returns the value nor it will return zero.

public function getValue($currency) {

if (isset($this->currencies[$currency])) {

return $this->currencies[$currency]['value'];

} else {

return 0;

}

has($currency):

Whether the request currency is available or not.

public function has($currency) {

return isset($this->currencies[$currency]);

}

customer:

login($email, $password):

Check whether the customer is approved and check whether the username and password is correct or not.

public function login($email, $password) {

if (!$this->config->get('config_customer_approval')) {

$customer_query = $this->db->query("SELECT * FROM " . DB_PREFIX . "customer WHERE LOWER(email) = '" . $this->db->escape(strtolower($email)) . "' AND password = '" . $this->db->escape(md5($password)) . "' AND status = '1'");

} else {

}

if ($customer_query->num_rows) {

$this->session->data['customer_id'] = $customer_query->row['customer_id'];

if (($customer_query->row['cart']) && (is_string($customer_query->row['cart']))) {

$cart = unserialize($customer_query->row['cart']);

foreach ($cart as $key => $value) {

if (!array_key_exists($key, $this->session->data['cart'])) {

$this->session->data['cart'][$key] = $value;

} else {

$this->session->data['cart'][$key] += $value;

}

$this->customer_id = $customer_query->row['customer_id'];

$this->firstname = $customer_query->row['firstname'];

$this->lastname = $customer_query->row['lastname'];

$this->email = $customer_query->row['email'];

$this->telephone = $customer_query->row['telephone'];

$this->fax = $customer_query->row['fax'];

$this->newsletter = $customer_query->row['newsletter'];

$this->customer_group_id = $customer_query->row['customer_group_id'];

$this->address_id = $customer_query->row['address_id'];

return TRUE;

} else {

return FALSE;

}

logout():

Destroy all the session of the logged customer.

public function logout() {

unset($this->session->data['customer_id']);

$this->customer_id = '';

$this->firstname = '';

$this->lastname = '';

$this->email = '';

$this->telephone = '';

$this->fax = '';

$this->newsletter = '';

$this->customer_group_id = '';

$this->address_id = '';

session_destroy();

}

isLogged():

Check whether the customer is logged in or not.

public function isLogged() {

return $this->customer_id;

}

getId(), getFirstName(), getLastName(), getEmail(), getTelephone(), getFax(), getNewsletter(), getCustomerGroupId(), getAddressId():

Returns the customer information like for ID we have to write $this->customer->getId().

public function getId() {

return $this->customer_id;

}

public function getFirstName() {

return $this->firstname;

}

public function getLastName() {

return $this->lastname;

}

public function getEmail() {

return $this->email;

}

public function getTelephone() {

return $this->telephone;

}

public function getFax() {

return $this->fax;

}

public function getNewsletter() {

return $this->newsletter;

}

public function getCustomerGroupId() {

return $this->customer_group_id;

}

public function getAddressId() {

return $this->address_id;

}

db:

query($sql):

$this->db->query(“Select * from product”); This returns all the product available in the database

public function query($sql) {

return $this->driver->query($sql);

}

escape($value):

public function escape($value) {

return $this->driver->escape($value);

}

countAffected():

public function countAffected() {

return $this->driver->countAffected();

}

getLastId():

Last affected or inserted or deleted Id is returned.

public function getLastId() {

return $this->driver->getLastId();

}

document:

setTitle($title):

The title of the page is set with the call of $this->document->setTitle($title); where $title is the parameter which take the string.

public function setTitle($title) {

$this->title = $title;

}

getTitle():

$this->document->setTitle() means the title is get and set to <title> of the document

public function getTitle() {

return $this->title;

}

setDescription($description):

$this->document->setDescription($description) which set the description of the page.

public function setDescription($description) {

$this->description = $description;

}

getDescription():

$this->document->getDescription() gives us the description of the document which is embedded in the <head> of the document

public function getDescription() {

return $this->description;

}

setKeywords($keywords):

$this->document->setKeywords($keywords) set the SEO keywords

public function setKeywords($keywords) {

$this->keywords = $keywords;

}

getKeywords():

$this->document->getKeywords() get the keywords which are set for the page.

public function getKeywords() {

return $this->keywords;

}

setBase($base):

$this->document->setBase($base) the base url for the document. If we need different base url then we have to set it.

public function setBase($base) {

$this->base = $base;

}

getBase():

Retrieve the set base url

public function getBase() {

return $this->base;

}

setCharset($charset):

public function setCharset($charset) {

$this->charset = $charset;

}

getCharset():

public function getCharset() {

return $this->charset;

}

setLanguage($language):

public function setLanguage($language) {

$this->language = $language;

}

getLanguage():

public function getLanguage() {

return $this->language;

}

setDirection($direction):

public function setDirection($direction) {

$this->direction = $direction;

}

getDirection():

public function getDirection() {

return $this->direction;

}

addLink($href, $rel):

public function addLink($href, $rel) {

$this->links[] = array(

'href' => $href,

'rel' => $rel

);

}

getLinks():

public function getLinks() {

return $this->links;

}

addStyle($href, $rel = 'stylesheet', $media = 'screen'):

public function addStyle($href, $rel = 'stylesheet', $media = 'screen') {

$this->styles[] = array(

'href' => $href,

'rel' => $rel,

'media' => $media

);

}

getStyles():

public function getStyles() {

return $this->styles;

}

addScript($script):

public function addScript($script) {

$this->scripts[] = $script;

}

getScripts():

public function getScripts() {

return $this->scripts;

}

addBreadcrumb($text, $href, $separator = ' > '):

public function addBreadcrumb($text, $href, $separator = ' > ') {

$this->breadcrumbs[] = array(

'text' => $text,

'href' => $href,

'separator' => $separator

);

}

getBreadcrumbs():

public function getBreadcrumbs() {

return $this->breadcrumbs;

}

encryption:

encrypt($value):

function encrypt($value) {

if (!$this->key) {

return $value;

}

$output = '';

for ($i = 0; $i < strlen($value); $i++) {

$char = substr($value, $i, 1);

$keychar = substr($this->key, ($i % strlen($this->key)) - 1, 1);

$char = chr(ord($char) + ord($keychar));

$output .= $char;

}

return base64_encode($output);

}

We pass the value and the value is converted to the base64_encode

base64_encode()

decrypt($value):

The encrypted value is gained after decryption.

function decrypt($value) {

if (!$this->key) {

return $value;

}

$output = '';

$value = base64_decode($value);

for ($i = 0; $i < strlen($value); $i++) {

$char = substr($value, $i, 1);

$keychar = substr($this->key, ($i % strlen($this->key)) - 1, 1);

$char = chr(ord($char) - ord($keychar));

$output .= $char;

}

return $output;

}

image:

create($image):

Creation of the image and use of the image create from different type of image like gif, png, jpeg etc

private function create($image) {

$mime = $this->info['mime'];

if ($mime == 'image/gif') {

return imagecreatefromgif($image);

} elseif ($mime == 'image/png') {

return imagecreatefrompng($image);

} elseif ($mime == 'image/jpeg') {

return imagecreatefromjpeg($image);

}

save($file, $quality = 100):

Save file that are of gif, jpeg, jpg

public function save($file, $quality = 100) {

$info = pathinfo($file);

$extension = $info['extension'];

if ($extension == 'jpeg' || $extension == 'jpg') {

imagejpeg($this->image, $file, $quality);

} elseif($extension == 'png') {

imagepng($this->image, $file, 0);

} elseif($extension == 'gif') {

imagegif($this->image, $file);

}

imagedestroy($this->image);

}

resize($width = 0, $height = 0):

Resize the image function

public function resize($width = 0, $height = 0) {

if (!$this->info['width'] || !$this->info['height']) {

return;

}

$xpos = 0;

$ypos = 0;

$scale = min($width / $this->info['width'], $height / $this->info['height']);

if ($scale == 1) {

return;

}

$new_width = (int)($this->info['width'] * $scale);

$new_height = (int)($this->info['height'] * $scale);

$xpos = (int)(($width - $new_width) / 2);

$ypos = (int)(($height - $new_height) / 2);

$image_old = $this->image;

$this->image = imagecreatetruecolor($width, $height);

if (isset($this->info['mime']) && $this->info['mime'] == 'image/png') {

imagealphablending($this->image, false);

imagesavealpha($this->image, true);

$background = imagecolorallocatealpha($this->image, 255, 255, 255, 127);

imagecolortransparent($this->image, $background);

} else {

$background = imagecolorallocate($this->image, 255, 255, 255);

}

imagefilledrectangle($this->image, 0, 0, $width, $height, $background);

imagecopyresampled($this->image, $image_old, $xpos, $ypos, 0, 0, $new_width, $new_height, $this->info['width'], $this->info['height']);

imagedestroy($image_old);

$this->info['width'] = $width;

$this->info['height'] = $height;

}

watermark($file, $position = 'bottomright'):

Function to watermark the image may be with the name of the site or anything you like the value to pass is for the $watermark

public function watermark($file, $position = 'bottomright') {

$watermark = $this->create($file);

$watermark_width = imagesx($watermark);

$watermark_height = imagesy($watermark);

switch($position) {

case 'topleft':

$watermark_pos_x = 0;

$watermark_pos_y = 0;

break;

case 'topright':

$watermark_pos_x = $this->info['width'] - $watermark_width;

$watermark_pos_y = 0;

break;

case 'bottomleft':

$watermark_pos_x = 0;

$watermark_pos_y = $this->info['height'] - $watermark_height;

break;

case 'bottomright':

$watermark_pos_x = $this->info['width'] - $watermark_width;

$watermark_pos_y = $this->info['height'] - $watermark_height;

break;

}

imagecopy($this->image, $watermark, $watermark_pos_x, $watermark_pos_y, 0, 0, 120, 40);

imagedestroy($watermark);

}

crop($top_x, $top_y, $bottom_x, $bottom_y):

function to crop the image into the specified length and breadth.

public function crop($top_x, $top_y, $bottom_x, $bottom_y) {

$image_old = $this->image;

$this->image = imagecreatetruecolor($bottom_x - $top_x, $bottom_y - $top_y);

imagecopy($this->image, $image_old, 0, 0, $top_x, $top_y, $this->info['width'], $this->info['height']);

imagedestroy($image_old);

$this->info['width'] = $bottom_x - $top_x;

$this->info['height'] = $bottom_y - $top_y;

}

rotate($degree, $color = 'FFFFFF'):

public function rotate($degree, $color = 'FFFFFF') {

$rgb = $this->html2rgb($color);

$this->image = imagerotate($this->image, $degree, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));

$this->info['width'] = imagesx($this->image);

$this->info['height'] = imagesy($this->image);

}

filter($filter):

private function filter($filter) {

imagefilter($this->image, $filter);

}

text($text, $x = 0, $y = 0, $size = 5, $color = '000000'):

private function text($text, $x = 0, $y = 0, $size = 5, $color = '000000') {

$rgb = $this->html2rgb($color);

imagestring($this->image, $size, $x, $y, $text, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));

}

merge($file, $x = 0, $y = 0, $opacity = 100):

private function merge($file, $x = 0, $y = 0, $opacity = 100) {

$merge = $this->create($file);

$merge_width = imagesx($image);

$merge_height = imagesy($image);

imagecopymerge($this->image, $merge, $x, $y, 0, 0, $merge_width, $merge_height, $opacity);

}

html2rgb($color):

private function html2rgb($color) {

if ($color[0] == '#') {

$color = substr($color, 1);

}

if (strlen($color) == 6) {

list($r, $g, $b) = array($color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5]);

} elseif (strlen($color) == 3) {

list($r, $g, $b) = array($color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2]);

} else {

return FALSE;

}

$r = hexdec($r);

$g = hexdec($g);

$b = hexdec($b);

return array($r, $g, $b);

}

Json:

encode($data):

static public function encode($data) {

if (function_exists('json_encode')) {

return json_encode($data);

} else {

switch (gettype($data)) {

case 'boolean':

return $data ? 'true' : 'false';

case 'integer':

case 'double':

return $data;

case 'resource':

case 'string':

return '"' . str_replace(array("\r", "\n", "<", ">", "&"), array('\r', '\n', '\x3c', '\x3e', '\x26'), addslashes($data)) . '"';

case 'array':

if (empty($data) || array_keys($data) === range(0, sizeof($data) - 1)) {

$output = array();

foreach ($data as $value) {

$output[] = Json::encode($value);

}

return '[ ' . implode(', ', $output) . ' ]';

}

case 'object':

$output = array();

foreach ($data as $key => $value) {

$output[] = Json::encode(strval($key)) . ': ' . Json::encode($value);

}

return '{ ' . implode(', ', $output) . ' }';

default:

return 'null';

}

decode($json, $assoc = FALSE):

static public function decode($json, $assoc = FALSE) {

if (function_exists('json_decode')) {

return json_decode($json);

} else {

$match = '/".*?(?<!\\\\)"/';

$string = preg_replace($match, '', $json);

$string = preg_replace('/[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]/', '', $string);

if ($string != '') {

return NULL;

}

$s2m = array();

$m2s = array();

preg_match_all($match, $json, $m);

foreach ($m[0] as $s) {

$hash = '"' . md5($s) . '"';

$s2m[$s] = $hash;

$m2s[$hash] = str_replace('$', '\$', $s);

}

$json = strtr($json, $s2m);

$a = ($assoc) ? '' : '(object) ';

$data = array(

':' => '=>',

'[' => 'array(',

'{' => "{$a}array(",

']' => ')',

'}' => ')'

);

$json = strtr($json, $data);

$json = preg_replace('~([\s\(,>])(-?)0~', '$1$2', $json);

$json = strtr($json, $m2s);

$function = @create_function('', "return {$json};");

$return = ($function) ? $function() : NULL;

unset($s2m);

unset($m2s);

unset($function);

return $return;

}

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