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Code 1page FlatFile Ecom

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1: <?php
2: session_start();
3: $starttime = microtime();
4: $startarray = explode(" ", $starttime);
5: $starttime = $startarray[1] + $startarray[0];
6: $self = $_SERVER['PHP_SELF'];
7: $PAYMENT_GATEWAY=$self;]
8: //data file
9: $fl=’cart-data.txt’;
10: //add to cart action
11: $page_name=’one-page-ecommerce-cart-cms.php’;
12: //set file product fields array
13: $fields=array(
14: ‘id’,
15: ‘product_code’,
16: ‘product_name’,
17: ‘product_desc’,
18: ‘product_img’,
19: ‘price’,
20: ‘weight’,
21: ‘catalog’,
22: ‘catid’,
23: );
24:
25: $taxout=”;
26: $shipout=”;
27: //gateway and other form variables
28: $tax_rate=’6′;
29: $taxstate=’WV’;
30: $currency=’USD’;
31: //base handling added to ship percentage
32: $handling=’5′;
33: $ship_rate=’10’;
34: //$price=’amount’;
35: //$name=’item_name’;
36: //$num=’item_num’;
37: //$desc=’item_desc’;
38:
39: function flock_utf8_contents($filename){
40: $return = FALSE;
41: if(file_exists($filename) and is_readable($filename)){
42: if($handle = @fopen($filename, ‘r’)){
43: while(!$return){
44: if(flock($handle, LOCK_SH)){
45: if($return = file_get_contents($filename)){
46: flock($handle, LOCK_UN);
47: }}}fclose($handle);}}
48: return mb_convert_encoding($return, ‘UTF-8’,
49: mb_detect_encoding($return, ‘UTF-8, ISO-8859-1’, true));}
50:
51:
52:
53: $str=flock_utf8_contents($fl);
54:
55: function parse_file() {
56: global $str;
57: global $fields;
58: $res=array();
59: $lines=array();
60: $output = array();
61: $output = explode("\n", $str);
62: $output=array_filter($output);
63: $output=array_map(‘trim’, $output);
64: foreach ($output as $key=>$data) {
65: $lines = explode(‘;’, $data);
66: $res[]=array_combine($fields,$lines);
67: }
68: return $res;
69: }
70:
71: $current_url = base64_encode("http://".$_SERVER[object 4].$_SERVER['REQUEST_URI']);
72:
73: $res=parse_file();
74:
75: function find($string, $array){
76: foreach ($array as $key => $value) {
77: unset ($array[$key]);
78: if (in_array($string, $value)) {
79: $array[$key] = $value;}}
80: return $array;}
81:
82: ?>
83: <!doctype html>
84: <html lang="en">
85: <head>
86: <meta charset="utf-8">
87: <title>php simple ecommerce cms with shopping cart just one page of code remarkable and free <?php echo $title;?></title>
88: <meta name="description" content="Free php flatfile database ecommerce and shopping cart script. A complete ecommerce shop and cart all on just one page of code. Easy to set up checkout form to post to google paypal or your gateway. Can modify for you as well. Another great cmxtendable script from handicapped george.">
89: <meta name="robots" content="index">
90: <style type="text/css">
91: body, html {
92: margin-top:10px;
93: font-size:14px;
94: height:100%;
95: min-height:100%;
96: font-family: Tahoma, Arial;
97: background:#E0E0E0;
98: background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#FFFFFF), to(#E0E0E0 ));*/
99: background: -moz-linear-gradient(top, #FFFFFF 0%, #E0E0E0 100%);*/
100: background: -o-linear-gradient(top, #FFFFFF 0%, #E0E0E0 100%);*/
101: background: linear-gradient(top, #FFFFFF 0%, #E0E0E0 100%);*/
102: }
103: #wrapper {
104: padding:20px;
105: width:750px;
106: margin: auto;
107: min-height:100%;
108: background-color: #ffffff;
109: border: 2px solid #333;
110: /* curved border radius */
111: -moz-border-radius:20px;
112: -webkit-border-radius:20px;
113: -o-border-radius:20px;
114: border-radius:20px;
115: }
116: .box{
117: display: none;
118: width: 100%;
119: }
120:
121: a:hover + .box,.box:hover{
122: display: block;
123: position: relative;
124: z-index: 100;
125: }
126: </style>
127:
128: </head>
129:
130: <body>
131:

132:

133:

134:

135:

138:

Shopping

136: Flatfile Ecommerce CMXtendable Shopping Cart all in just one page of code.
137:

139:
140:

141: <br>
142:

143: $val) {
147:
148: echo ‘

‘;
149: echo “”;
150: echo ‘

‘;
151: echo ‘

‘.$val[“product_name”].’

‘;
152: echo ‘

‘.$val[“product_desc”].’

‘;
153: echo ‘

Price ‘.$currency.$val[“price”].’ Add To Cart

‘;
154: //echo ‘<input type="text" name="product_qty" value="1" />’;
155: echo ‘</div>’;
156: echo ‘<input type="hidden" name="product_code" value="’.$val["product_code"].’">’;
157: echo ‘<input type="hidden" name="type" value="add" />’;
158: echo ‘<input type="hidden" name="return_url" value="’.$current_url.’">’;
159: echo ‘</form>’;
160: echo ‘</div>’;
161: }
162:
163: ?>
164:
165: </div>
166:
167:

168: Shopping Cart

‘;
173: $total = 0;
174: echo “”;
175: echo ‘

    ‘;
    176: $cart_items = 0;
    177:
    178: foreach ($_SESSION[“products”] as $cart_itm)
    179: {
    180: $product_code = $cart_itm[“code”];
    181: $res=parse_file();
    182: for($i=0; $i$rs) {
    187:
    188: echo ‘

  • ‘;
    189: if(empty($cart_itm['qty'])){
    190: $cart_itm['qty']=’1’;
    191: }
    192: echo ‘

    ‘;
    193: echo ‘‘.$rs['product_name'].’ (Item # :’.$rs['product_code'].’) ‘;
    194: echo ‘

    Qty : ‘.$cart_itm['qty'].’

    ‘;
    195: echo ‘

    ‘.$rs['product_desc'].’

    ‘;
    196: echo ‘

    ‘.$currency.$rs['price'].’

    ‘;
    197: echo ‘</div>’;
    198: echo ‘<span style="background:crimson;padding-right:5px;padding-left:5px;text-align:center;"><a style="text-decoration:none;font-weight:bold;color:white;text-align:center;" href="’.$page_name.’?removep=’.$cart_itm["code"].’&return_url=’.$current_url.’">&times; Delete</a></span>’;
    199: echo ‘</li>’;
    200: $subtotal = ($cart_itm['price']*$cart_itm['qty']);
    201: $total = ($total + $subtotal);
    202: echo ‘<input type="hidden" name="item_name['.$cart_items.']" value="’.$rs['product_name'].’" />’;
    203: echo ‘<input type="hidden" name="item_code['.$cart_items.']" value="’.$rs['product_code'].’" />’;
    204: echo ‘<input type="hidden" name="item_desc['.$cart_items.']" value="’.$rs['product_desc'].’" />’;
    205: echo ‘<input type="hidden" name="item_qty['.$cart_items.']" value="’.$cart_itm["qty"].’" />’;
    206:
    207: $cart_items ++;
    208:
    209: }}
    210: echo ‘</ul>’;
    211: echo ‘<span class="check-out-txt">’;
    212: if($tax_rate){
    213: $tax = $total * $tax_rate / 100;
    214: $tax=substr($tax,0,-1);
    215: $total=$total+$tax;
    216: $taxout= "$taxstate tax: $tax_rate% $tax";
    217: }
    218: if($ship_rate){
    219: $shipping = $total * $ship_rate / 100;
    220: $shipping =$shipping+ $handling;
    221: $shipout= ‘shipping ‘.$currency.number_format($shipping,2);
    222: $total=$total+$tax+$shipping;
    223: }
    224: echo ‘<strong>’.$shipout.'<br>Total. : ‘.$currency.number_format($total,2).’ – ‘.$taxout.'</strong>’;
    225: echo ‘</span>’;
    226: if($subtotal>=0){
    227: echo ‘<br><br><input type="submit" name="type" value="Begin Checkout">’;
    228: }
    229: echo ‘</form>’;
    230: }else{
    231: echo ‘<strong>Cart is empty add something.</strong>’;
    232: }
    233: ?>
    234: </div>
    235: <?php
    236: if(isset($_GET["emptycart"]) && $_GET["emptycart"]==1){
    237: $return_url = base64_decode($_GET["return_url"]);
    238: session_destroy();
    239: // header(‘Location:’.$return_url);
    240: echo "<meta http-equiv=\"Refresh\" content=\"0;URL=$return_url\">";
    241: }
    242:
    243: if(isset($_POST["type"]) && $_POST["type"]==’add’){
    244:
    245: $product_code = filter_var($_POST["product_code"], FILTER_SANITIZE_STRING);
    246: $product_qty = filter_var($_POST["product_qty"], FILTER_SANITIZE_NUMBER_INT);
    247: $return_url = base64_decode($_POST["return_url"]); //return url
    248:
    249: if($product_qty > 10){
    250: die("

    Maximum quantity of 10 reached.

    ");
    251: }
    252:
    253: $res=parse_file();
    254: for($i=0; $i<count($res); $i++){
    255: $results = find ($product_code, $res);
    256: }
    257: if ($results) {
    258: foreach ($results as $key=>$rs) {
    259: $new_product = array(array(‘name’=>$rs['product_name'], ‘code’=>$rs['product_code'], ‘qty’=>$cart_itm["qty"], ‘price’=>$rs['price']));
    260:
    261: if(isset($_SESSION["products"])){
    262: $found = false;
    263: foreach ($_SESSION["products"] as $cart_itm){
    264: if($cart_itm["code"] == $product_code){
    265: $product[] = array(‘name’=>$cart_itm["name"], ‘code’=>$cart_itm["code"], ‘qty’=>$product_qty, ‘price’=>$cart_itm["price"]);
    266: $found = true;
    267: }else{
    268: $product[] = array(‘name’=>$cart_itm["name"], ‘code’=>$cart_itm["code"], ‘qty’=>$cart_itm["qty"], ‘price’=>$cart_itm["price"]);
    269: }
    270: }
    271: if($found == false) {
    272: $_SESSION["products"] = array_merge($product, $new_product);
    273: }else{
    274: $_SESSION["products"] = $product;
    275: }
    276: }else{
    277: $_SESSION["products"] = $new_product;
    278: }
    279: }
    280: }
    281: // header(‘Location:’.$return_url);
    282: echo "<meta http-equiv=\"Refresh\" content=\"0;URL=$return_url\">";
    283: }
    284: if(isset($_GET["removep"]) && isset($_GET["return_url"]) && isset($_SESSION["products"])){
    285: $product_code = $_GET["removep"]; //get the product code to remove
    286: $return_url = base64_decode($_GET["return_url"]); //get return url
    287:
    288: foreach ($_SESSION["products"] as $cart_itm){
    289: if($cart_itm["code"]!=$product_code){
    290: $product[] = array(‘name’=>$cart_itm["name"], ‘code’=>$cart_itm["code"], ‘qty’=>$cart_itm["qty"], ‘price’=>$cart_itm["price"]);
    291: }
    292: $_SESSION["products"] = $product;
    293: }
    294: // header(‘Location:’.$return_url);
    295: echo "<meta http-equiv=\"Refresh\" content=\"0;URL=$return_url\">";
    296: }
    297:
    298: echo "

    ";
    299: $endtime = microtime();
    300: $endarray = explode(" ", $endtime);
    301: $endtime = $endarray[1] + $endarray[0];
    302: $totaltime = $endtime – $starttime;
    303: $totaltime = round($totaltime,4);
    304: echo "

    This search took $totaltime seconds to complete.”;
    305:
    306: function convert($size)
    307: {
    308: $unit=array(‘b’,’kb’,’mb’,’gb’,’tb’,’pb’);
    309: return @round($size/pow(1024,($i=floor(log($size,1024)))),2).’ ‘.$unit[$i];
    310: }
    311:
    312: echo ‘ Memory usage ‘ . convert(memory_get_usage(true)) . ‘

    ‘; // 123 kb
    313:
    314:
    315: echo ‘</div>’;
    316: echo ‘<p style="width:100%;text-align:center;"><a href="http://www.cmxads.com/one-page-ecommerce-cms.php">Cmxads.com One Page Ecommerce CMS Php Script</a></p>’;
    317: echo ‘</body>’;
    318: echo ‘</html>’;
    319: ?>

    End

1page FlatFile website

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CMX Adverts Design Services and Free Hosting
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A complete ecommerce shopping cart cms in one page of code.
Hi! again!.This is another complete cms in just one page of code.
As with all my scripts its flatfile database and packed with the essentials and its Xtendable. CMXtendable.

I got this thing that I like to put together scripts in one page. Try to do everyting in one page can be a challenge. I like to juggle if get open/close etc etc..

So this is another result of my efforts.

I had to do some work arounds because of the session setting problem and the refresh but it works great.

Had to use meta refresh as header refresh throws error. And had to set the quantity variable as the session value was not set on first add to cart

You can break it up and avoid those problems if you like.

Features include.

Flat file delimited database.

Data file has column for catagory if you want to add menu. see heredoc script for menu function.

Function that sets the associative array from an array of key names.

You can set shipping rate by percentage and add a base handling fee.

You can set a tax rate just one for now.

Set checkout action to your method.

if you need a form setup for your gateway donate and i will set it up for you.

Check it out the demo and give it a whirl on this site! You can download it for free below. Please donate a dollar for me.
Its works great and looks great too!. I hope you can find it useful. Check it out below. If you have a comment stop at the forum!

Click here for the Shopping Flat File One Page Ecommerce CMS Demo.

Click here for the File Format Example.
1: <?php
2: session_start();
3: $starttime = microtime();
4: $startarray = explode(" ", $starttime);
5: $starttime = $startarray[1] + $startarray[0];
6: $self = $_SERVER['PHP_SELF'];
7: $PAYMENT_GATEWAY=$self;]
8: //data file
9: $fl=’cart-data.txt’;
10: //add to cart action
11: $page_name=’one-page-ecommerce-cart-cms.php’;
12: //set file product fields array
13: $fields=array(
14: ‘id’,
15: ‘product_code’,
16: ‘product_name’,
17: ‘product_desc’,
18: ‘product_img’,
19: ‘price’,
20: ‘weight’,
21: ‘catalog’,
22: ‘catid’,
23: );
24:
25: $taxout=”;
26: $shipout=”;
27: //gateway and other form variables
28: $tax_rate=’6′;
29: $taxstate=’WV’;
30: $currency=’USD’;
31: //base handling added to ship percentage
32: $handling=’5′;
33: $ship_rate=’10’;
34: //$price=’amount’;
35: //$name=’item_name’;
36: //$num=’item_num’;
37: //$desc=’item_desc’;
38:
39: function flock_utf8_contents($filename){
40: $return = FALSE;
41: if(file_exists($filename) and is_readable($filename)){
42: if($handle = @fopen($filename, ‘r’)){
43: while(!$return){
44: if(flock($handle, LOCK_SH)){
45: if($return = file_get_contents($filename)){
46: flock($handle, LOCK_UN);
47: }}}fclose($handle);}}
48: return mb_convert_encoding($return, ‘UTF-8’,
49: mb_detect_encoding($return, ‘UTF-8, ISO-8859-1’, true));}
50:
51:
52:
53: $str=flock_utf8_contents($fl);
54:
55: function parse_file() {
56: global $str;
57: global $fields;
58: $res=array();
59: $lines=array();
60: $output = array();
61: $output = explode("\n", $str);
62: $output=array_filter($output);
63: $output=array_map(‘trim’, $output);
64: foreach ($output as $key=>$data) {
65: $lines = explode(‘;’, $data);
66: $res[]=array_combine($fields,$lines);
67: }
68: return $res;
69: }
70:
71: $current_url = base64_encode("http://".$_SERVER[object 4].$_SERVER['REQUEST_URI']);
72:
73: $res=parse_file();
74:
75: function find($string, $array){
76: foreach ($array as $key => $value) {
77: unset ($array[$key]);
78: if (in_array($string, $value)) {
79: $array[$key] = $value;}}
80: return $array;}
81:
82: ?>
83: <!doctype html>
84: <html lang="en">
85: <head>
86: <meta charset="utf-8">
87: <title>php simple ecommerce cms with shopping cart just one page of code remarkable and free <?php echo $title;?></title>
88: <meta name="description" content="Free php flatfile database ecommerce and shopping cart script. A complete ecommerce shop and cart all on just one page of code. Easy to set up checkout form to post to google paypal or your gateway. Can modify for you as well. Another great cmxtendable script from handicapped george.">
89: <meta name="robots" content="index">
90: <style type="text/css">
91: body, html {
92: margin-top:10px;
93: font-size:14px;
94: height:100%;
95: min-height:100%;
96: font-family: Tahoma, Arial;
97: background:#E0E0E0;
98: background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#FFFFFF), to(#E0E0E0 ));*/
99: background: -moz-linear-gradient(top, #FFFFFF 0%, #E0E0E0 100%);*/
100: background: -o-linear-gradient(top, #FFFFFF 0%, #E0E0E0 100%);*/
101: background: linear-gradient(top, #FFFFFF 0%, #E0E0E0 100%);*/
102: }
103: #wrapper {
104: padding:20px;
105: width:750px;
106: margin: auto;
107: min-height:100%;
108: background-color: #ffffff;
109: border: 2px solid #333;
110: /* curved border radius */
111: -moz-border-radius:20px;
112: -webkit-border-radius:20px;
113: -o-border-radius:20px;
114: border-radius:20px;
115: }
116: .box{
117: display: none;
118: width: 100%;
119: }
120:
121: a:hover + .box,.box:hover{
122: display: block;
123: position: relative;
124: z-index: 100;
125: }
126: </style>
127:
128: </head>
129:
130: <body>
131:

132:

133:

134:

135:

138:

Shopping

136: Flatfile Ecommerce CMXtendable Shopping Cart all in just one page of code.
137:

139:
140:

141: <br>
142:

143: $val) {
147:
148: echo ‘

‘;
149: echo “”;
150: echo ‘

‘;
151: echo ‘

‘.$val[“product_name”].’

‘;
152: echo ‘

‘.$val[“product_desc”].’

‘;
153: echo ‘

Price ‘.$currency.$val[“price”].’ Add To Cart

‘;
154: //echo ‘<input type="text" name="product_qty" value="1" />’;
155: echo ‘</div>’;
156: echo ‘<input type="hidden" name="product_code" value="’.$val["product_code"].’">’;
157: echo ‘<input type="hidden" name="type" value="add" />’;
158: echo ‘<input type="hidden" name="return_url" value="’.$current_url.’">’;
159: echo ‘</form>’;
160: echo ‘</div>’;
161: }
162:
163: ?>
164:
165: </div>
166:
167:

168: Shopping Cart

‘;
173: $total = 0;
174: echo “”;
175: echo ‘

    ‘;
    176: $cart_items = 0;
    177:
    178: foreach ($_SESSION[“products”] as $cart_itm)
    179: {
    180: $product_code = $cart_itm[“code”];
    181: $res=parse_file();
    182: for($i=0; $i$rs) {
    187:
    188: echo ‘

  • ‘;
    189: if(empty($cart_itm['qty'])){
    190: $cart_itm['qty']=’1’;
    191: }
    192: echo ‘

    ‘;
    193: echo ‘‘.$rs['product_name'].’ (Item # :’.$rs['product_code'].’) ‘;
    194: echo ‘

    Qty : ‘.$cart_itm['qty'].’

    ‘;
    195: echo ‘

    ‘.$rs['product_desc'].’

    ‘;
    196: echo ‘

    ‘.$currency.$rs['price'].’

    ‘;
    197: echo ‘</div>’;
    198: echo ‘<span style="background:crimson;padding-right:5px;padding-left:5px;text-align:center;"><a style="text-decoration:none;font-weight:bold;color:white;text-align:center;" href="’.$page_name.’?removep=’.$cart_itm["code"].’&return_url=’.$current_url.’">&times; Delete</a></span>’;
    199: echo ‘</li>’;
    200: $subtotal = ($cart_itm['price']*$cart_itm['qty']);
    201: $total = ($total + $subtotal);
    202: echo ‘<input type="hidden" name="item_name['.$cart_items.']" value="’.$rs['product_name'].’" />’;
    203: echo ‘<input type="hidden" name="item_code['.$cart_items.']" value="’.$rs['product_code'].’" />’;
    204: echo ‘<input type="hidden" name="item_desc['.$cart_items.']" value="’.$rs['product_desc'].’" />’;
    205: echo ‘<input type="hidden" name="item_qty['.$cart_items.']" value="’.$cart_itm["qty"].’" />’;
    206:
    207: $cart_items ++;
    208:
    209: }}
    210: echo ‘</ul>’;
    211: echo ‘<span class="check-out-txt">’;
    212: if($tax_rate){
    213: $tax = $total * $tax_rate / 100;
    214: $tax=substr($tax,0,-1);
    215: $total=$total+$tax;
    216: $taxout= "$taxstate tax: $tax_rate% $tax";
    217: }
    218: if($ship_rate){
    219: $shipping = $total * $ship_rate / 100;
    220: $shipping =$shipping+ $handling;
    221: $shipout= ‘shipping ‘.$currency.number_format($shipping,2);
    222: $total=$total+$tax+$shipping;
    223: }
    224: echo ‘<strong>’.$shipout.'<br>Total. : ‘.$currency.number_format($total,2).’ – ‘.$taxout.'</strong>’;
    225: echo ‘</span>’;
    226: if($subtotal>=0){
    227: echo ‘<br><br><input type="submit" name="type" value="Begin Checkout">’;
    228: }
    229: echo ‘</form>’;
    230: }else{
    231: echo ‘<strong>Cart is empty add something.</strong>’;
    232: }
    233: ?>
    234: </div>
    235: <?php
    236: if(isset($_GET["emptycart"]) && $_GET["emptycart"]==1){
    237: $return_url = base64_decode($_GET["return_url"]);
    238: session_destroy();
    239: // header(‘Location:’.$return_url);
    240: echo "<meta http-equiv=\"Refresh\" content=\"0;URL=$return_url\">";
    241: }
    242:
    243: if(isset($_POST["type"]) && $_POST["type"]==’add’){
    244:
    245: $product_code = filter_var($_POST["product_code"], FILTER_SANITIZE_STRING);
    246: $product_qty = filter_var($_POST["product_qty"], FILTER_SANITIZE_NUMBER_INT);
    247: $return_url = base64_decode($_POST["return_url"]); //return url
    248:
    249: if($product_qty > 10){
    250: die("

    Maximum quantity of 10 reached.

    ");
    251: }
    252:
    253: $res=parse_file();
    254: for($i=0; $i<count($res); $i++){
    255: $results = find ($product_code, $res);
    256: }
    257: if ($results) {
    258: foreach ($results as $key=>$rs) {
    259: $new_product = array(array(‘name’=>$rs['product_name'], ‘code’=>$rs['product_code'], ‘qty’=>$cart_itm["qty"], ‘price’=>$rs['price']));
    260:
    261: if(isset($_SESSION["products"])){
    262: $found = false;
    263: foreach ($_SESSION["products"] as $cart_itm){
    264: if($cart_itm["code"] == $product_code){
    265: $product[] = array(‘name’=>$cart_itm["name"], ‘code’=>$cart_itm["code"], ‘qty’=>$product_qty, ‘price’=>$cart_itm["price"]);
    266: $found = true;
    267: }else{
    268: $product[] = array(‘name’=>$cart_itm["name"], ‘code’=>$cart_itm["code"], ‘qty’=>$cart_itm["qty"], ‘price’=>$cart_itm["price"]);
    269: }
    270: }
    271: if($found == false) {
    272: $_SESSION["products"] = array_merge($product, $new_product);
    273: }else{
    274: $_SESSION["products"] = $product;
    275: }
    276: }else{
    277: $_SESSION["products"] = $new_product;
    278: }
    279: }
    280: }
    281: // header(‘Location:’.$return_url);
    282: echo "<meta http-equiv=\"Refresh\" content=\"0;URL=$return_url\">";
    283: }
    284: if(isset($_GET["removep"]) && isset($_GET["return_url"]) && isset($_SESSION["products"])){
    285: $product_code = $_GET["removep"]; //get the product code to remove
    286: $return_url = base64_decode($_GET["return_url"]); //get return url
    287:
    288: foreach ($_SESSION["products"] as $cart_itm){
    289: if($cart_itm["code"]!=$product_code){
    290: $product[] = array(‘name’=>$cart_itm["name"], ‘code’=>$cart_itm["code"], ‘qty’=>$cart_itm["qty"], ‘price’=>$cart_itm["price"]);
    291: }
    292: $_SESSION["products"] = $product;
    293: }
    294: // header(‘Location:’.$return_url);
    295: echo "<meta http-equiv=\"Refresh\" content=\"0;URL=$return_url\">";
    296: }
    297:
    298: echo "

    ";
    299: $endtime = microtime();
    300: $endarray = explode(" ", $endtime);
    301: $endtime = $endarray[1] + $endarray[0];
    302: $totaltime = $endtime – $starttime;
    303: $totaltime = round($totaltime,4);
    304: echo "

    This search took $totaltime seconds to complete.”;
    305:
    306: function convert($size)
    307: {
    308: $unit=array(‘b’,’kb’,’mb’,’gb’,’tb’,’pb’);
    309: return @round($size/pow(1024,($i=floor(log($size,1024)))),2).’ ‘.$unit[$i];
    310: }
    311:
    312: echo ‘ Memory usage ‘ . convert(memory_get_usage(true)) . ‘

    ‘; // 123 kb
    313:
    314:
    315: echo ‘</div>’;
    316: echo ‘<p style="width:100%;text-align:center;"><a href="http://www.cmxads.com/one-page-ecommerce-cms.php">Cmxads.com One Page Ecommerce CMS Php Script</a></p>’;
    317: echo ‘</body>’;
    318: echo ‘</html>’;
    319: ?>

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Flat file Qbasic code

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‘**********************************
‘* program : LizzyDB.bas *
‘* author : Computothought * s
‘* last fix: Jan. 1, 1996 *
‘* Note : Pc clone flat file *
‘* database from what *
‘* we learned at school.*
‘**********************************
DECLARE FUNCTION Acquire.chars$ (Maxlen!)
DECLARE FUNCTION Acquire.time$ (Maxlen!)
DECLARE FUNCTION Acquire.date$ (Maxlen!)
DECLARE FUNCTION Acquire.logical$ (Maxlen!)
DECLARE FUNCTION Acquire.text$ (Maxlen!)
DECLARE FUNCTION Acquire.numbers$ (Maxlen!, Dcmlplaces!)
DECLARE SUB Utoh (cr!, cc!, length!)
DECLARE SUB prvmenu (name$(), Column%, Message%, Vpos%)
DECLARE SUB Vmenu (name$(), Vpos%, Message%, Column%, menu$)

Begin:
GOSUB Main.housekeeping
GOSUB Mainmenu
GOSUB Eoj
END:

Main.housekeeping:
‘===================================================================
‘ housekeeping
‘

greenwich meantime naviagation

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Astro Navigation Demystified
Navigate Without GPS

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Converting GMT to GHA

Greenwich Mean Time (GMT) is the local mean time anywhere on the meridian of Greenwich. In other words it is the Local Hour Angle of the Mean Sun on the meridian of Greenwich.

Since the Greenwich meridian is used as the base meridian from which the longitude of all places on Earth are identified, it provides the link between the LMT of a place and the LMT at Greenwich (or GMT).

Example. In the diagram below, imagine that we are looking down on the North Pole.

GMT white

P represents the North Pole

G represents the position of Greenwich on the Earth’s surface.

GP represents part of the Greenwich Meridian (0o).

MP represents part of the meridian of longitude 45oW and M is a point on that meridian.

AP represents part of the meridian of longitude 30o E and A is a point on that

meridian.

The meridian of the Mean Sun, for a very brief instant, coincides with the meridian 45oW. and so, at that instant, the Local Mean Time at point M is noon.

At the same instant, the Local Hour Angle of the Mean Sun at Greenwich is 45o. Therefore, the LMT at Greenwich must be 3p.m. since the time difference for 45o is 3 hours and Greenwich is to the East of M.

It follows that the Greenwich Mean Time must also be 3p.m. (since GMT is equal to the LMT at Greenwich).

The LMT at point A must be 2 hours after GMT (since the time difference for 30o is 2 hours and A is to the East of Greenwich).

Therefore, the LMT at point A must be 5p.m.

Greenwich Hour Angle (GHA). The angle between two meridians of Longitude can be expressed as an hour angle. The hour angle between the Greenwich Meridian and the meridian of a celestial body is known as the Greenwich Hour Angle.

The Local Hour Angle between an observer’s position and the geographical position of a celestial body can be found by combining the observer’s longitude with the GHA.

In the diagram below , O represents the longitude of an observer;

X represents the meridian of a celestial body;

G represents the Greenwich Meridian.

diag 5 nonumBecause in this case, the observer’s longitude is east and because LHA is measured westwards from the observer’s meridian to the meridian of the celestial body, LHA is equal to the longitude plus the GHA.

For a fuller explanation of GHA and LHA click here

Converting GMT to GHA.

Because GMT is measured westwards from the reciprocal of Greenwich (i.e. 180o) and GHA is measured westwards from the Greenwich meridian (i.e. 0o) we convert GMT to GHA as follows: If GMT, when converted to arc, is less than 180o then add 180o; if GMT is greater than 180o then subtract 180o). Examples:

Example 1. Convert 0840 GMT to GHA.

Step 1. Convert GMT to arc.

8h = 8 x 15 = 120o 0’ 0”

40m = 40 ÷ 4 = 10o 0’ 0”

= 130o 0’ 0”

Step 2. Convert to GHA.

GHA =130o 0’ 0” + 180o 0’ 0” = 310o 0’ 0”

Example 2. Convert 1530 GMT to GHA.

Step 1. Convert GMT to arc.

15h = 15 x 15 = 225o 0’ 0”

30m = 30 ÷ 4 = 7o 30’ 0”

= 232o 30’ 0”

Step 2. Convert to GHA.

GHA = 232o 30’ 0” – 180o 0’ 0” = 52o 30’ 0”

Note. Because GHA relates to apparent solar time and GMT relates to mean solar time, we must take the equation of time (EOT) into account when converting GMT to GHA. Therefore the next example includes a calculation for EOT.

Example 3. Convert 0415 GMT to GHA. E0T = +1 m

Equation of Time = mean solar time – apparent solar time

∴ apparent solar time = mean solar time – equation of time

∴ GHA = GMT – EOT.

Step 1. Convert 0415 GMT to arc.

4h = 4 x 15 = 60o 0’ 0”

15m = 15 ÷ 4 = 3o 45’ 0”

= 63o 45’ 0”

– EOT – 1’ 0” (correction for EOT)

= 63o 44’ 0”

Step 2. Convert to GHA.

GHA =63o 44’ 0” + 180o 0’ 0’’ = 243o 44’ 0”