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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Arabic Cities List</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<link rel="stylesheet" type="text/css" href="style.css" media="all" />
</head>
<body>
<div class="Paragraph">
<h2 dir="ltr">Cities Example Output</h2>
<?php
/**
* Example of Cities Example Output
*
* @category I18N
* @package I18N_Arabic
* @author Khaled Al-Sham'aa <khaled@ar-php.org>
* @copyright 2006-2016 Khaled Al-Sham'aa
*
* @license LGPL <http://www.gnu.org/licenses/lgpl.txt>
* @link http://www.ar-php.org
*/
error_reporting(E_STRICT);
$time_start = microtime(true);
try {
/*** connect to SQLite database ***/
$dbh = new PDO('sqlite:../data/cities.db');
$city_id = $_GET['city'];
if (!$city_id) {
$city_id = 1;
}
$sql = "select * from city where parent_id=$city_id and id>1 order by arabic";
echo '<form action="City.php" method="get" name="frm"><p align="center">';
echo "Selected Node ID: $city_id <br /><br />";
$sth = $dbh->prepare("select * from city where id=$city_id");
$sth->execute();
$result = $sth->fetch(PDO::FETCH_ASSOC);
echo $result['arabic'] . ' / ' . $result['english'] . '<br /><br />';
if (!empty($result['latitude'])) {
echo 'Latitude: ' . $result['latitude'];
echo ', Longitude: ' . $result['longitude'];
echo ', <a href="http://maps.google.com/maps?ll=' . $result['latitude'] . ',' . $result['longitude'] . '&t=h&z=12" target=_blank>Google Map</a>';
echo '<br /><br />';
}
$left = $result['left'];
$right = $result['right'];
$parent_id = $result['parent_id'];
echo "Celko Visitation Parameters (Parent ID=$parent_id, Left=$left, Right=$right)";
echo '<br /><br /><select name="city" dir="rtl" onChange="document.frm.submit()">';
echo '<option>- إختر رجاء -</option>';
/*
* You will have noticed that we can iterate over the result set directly
* with foreach. This is because internally the PDO statement implements
* the SPL traversble iterator, thus giving all the benifits of using SPL.
*
* The greatest benifit of this is that SPL iterators know only one element
* at a time and thus large result sets become manageable without hogging
* memory.
*/
foreach ($dbh->query($sql) as $row) {
echo '<option value="' . $row['id'] . '">';
if ($row['arabic'] == '') {
$title = $row['english'];
} else {
$title = $row['arabic'];
}
echo "$title</option>\n";
}
echo '</select> ';
echo '<input type="button" onclick="window.location=\'City.php\';"
value="قم باختيار جديد" /></form></p>';
// Close the databse connection
$dbh = null;
} catch(PDOException $e) {
if (!in_array('sqlite', PDO::getAvailableDrivers())) {
echo '<p align="center"><b><font color="red">Could not find SQLite driver in the available PDO drivers!</font></b>
For more information on how to install and activate SQLite PDO driver please check this
<a href="http://php.net/manual/en/pdo.installation.php" target=_blank>page</a></p>';
} else {
echo $e->getMessage();
}
}
?>
<br /><h2>Some SQL example implements Celko visitation model features:</h2>
<ul>
<li>
<b>Finding all the cities nodes in the selected region:</b><br />
<?php echo "SELECT * FROM city WHERE right-left=1 AND left>=$left AND right<=$right"; ?>
<br />
</li>
<li>
<b>Retrieving a single path (Country\Region\City):</b><br />
<?php echo "SELECT id FROM city WHERE left<=$left AND right>=$right ORDER BY left"; ?>
<br />
</li>
<li>
<b>Finding the depth of the nodes (1 is Country, 2 is Region, and 3 is City):</b><br />
<?php echo "SELECT COUNT(id) FROM city WHERE left<$left AND right>$right"; ?>
<br />
</li>
</ul>
<a href="http://en.wikipedia.org/wiki/Nested_set_model" target=_blank>Reference</a>
</div><br />
<div class="Paragraph">
<h2>Cities Example Code:</h2>
<?php
$code = <<< END
<?php
try {
/*** connect to SQLite database ***/
\$dbh = new PDO('sqlite:../data/cities.db');
\$city_id = \$_GET['city'];
if (!\$city_id) { \$city_id = 1; }
\$sql = "select * from city where parent_id=\$city_id and id>1 order by arabic";
echo '<form action="City.php" method="get" name="frm"><p align="center">';
echo "Selected Node ID: \$city_id <br /><br />";
\$sth = \$dbh->prepare("select * from city where id=\$city_id");
\$sth->execute();
\$result = \$sth->fetch(PDO::FETCH_ASSOC);
echo \$result['arabic'] . ' / ' . \$result['english'] . '<br />';
if (!empty(\$result['latitude'])) {
echo 'Latitude: ' . \$result['latitude'];
echo ', Longitude: ' . \$result['longitude'];
}
echo '<br /><br /><select name="city" dir="rtl" onChange="document.frm.submit()">';
echo '<option>- إختر رجاء -</option>';
/*
* You will have noticed that we can iterate over the result set directly
* with foreach. This is because internally the PDO statement implements
* the SPL traversble iterator, thus giving all the benifits of using SPL.
*
* The greatest benifit of this is that SPL iterators know only one element
* at a time and thus large result sets become manageable without hogging
* memory.
*/
foreach (\$dbh->query(\$sql) as \$row) {
echo '<option value="' . \$row['id'] . '">';
if (\$row['arabic'] == '') {
\$title = \$row['english'];
} else {
\$title = \$row['arabic'];
}
echo "\$title</option>\\n";
}
echo '</select> ';
echo '<input type="button" onclick="window.location=\'City.php\';"
value="قم باختيار جديد" /></form></p>';
// Close the databse connection
\$dbh = null;
} catch(PDOException \$e) {
echo \$e->getMessage();
}
END;
highlight_string($code);
$time_end = microtime(true);
$time = $time_end - $time_start;
echo "<hr />Total execution time is $time seconds<br />\n";
echo 'Amount of memory allocated to this script is ' . memory_get_usage() . ' bytes';
$included_files = get_included_files();
echo '<h4>Names of included or required files:</h4><ul>';
foreach ($included_files as $filename) {
echo "<li>$filename</li>";
}
echo '</ul>';
?>
</div>
</body>
</html>