Created
May 22, 2013 22:34
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Quickie key/value store page with PHP/MySQL, example
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| <?php | |
| /* Table schema | |
| CREATE TABLE `params` ( | |
| `key` varchar(255) NOT NULL DEFAULT '', | |
| `value` varchar(255) NOT NULL DEFAULT '', | |
| PRIMARY KEY (`key`) | |
| ) ENGINE=InnoDB DEFAULT CHARSET=utf8; | |
| */ | |
| // Settings | |
| $db = new mysqli('localhost', 'simulator', 'pa55word', 'simdb'); | |
| $params = array('frobnozzes', 'whatsits', 'doohickeys', 'bronsons'); | |
| $password = 'reindeerflotilla'; | |
| if ($_SERVER['QUERY_STRING'] == 'json') { | |
| echo json_encode(get_params()); | |
| exit; | |
| } | |
| function set_params() { | |
| global $db, $params, $password; | |
| if (empty($_REQUEST['password'])) return; | |
| if ($_REQUEST['password'] !== $password) { | |
| echo "<p>Bad password.</p>\n"; | |
| return; | |
| } | |
| foreach($params as $k) { | |
| if (empty($_REQUEST[$k])) continue; | |
| $v = $_REQUEST[$k]; | |
| $stmt = $db->prepare("REPLACE INTO params(`key`, `value`) VALUES (?, ?)"); | |
| if (!$stmt) continue; | |
| $stmt->bind_param('ss', $k, $v); | |
| if (mysqli_stmt_execute($stmt)) { | |
| echo "<p>Set parameter {$k} to {$v}.</p>\n"; | |
| } else { | |
| echo "<p>Error setting parameter {$k}.</p>\n"; | |
| } | |
| $stmt->close(); | |
| } | |
| } | |
| function get_params() { | |
| global $db; | |
| $out = array(); | |
| $stmt = $db->prepare("SELECT `key`, `value` FROM params"); | |
| $stmt->execute(); | |
| $stmt->bind_result($k, $v); | |
| while($stmt->fetch()) { | |
| $out[$k] = $v; | |
| } | |
| $stmt->close(); | |
| return $out; | |
| } | |
| ?><!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>Sim Control</title> | |
| </head> | |
| <body> | |
| <form action="" method="POST"> | |
| <?php | |
| set_params(); | |
| $data = get_params(); | |
| foreach($params as $k) { | |
| if (empty($data[$k])) { | |
| $v = ''; | |
| } else { | |
| $v = $data[$k]; | |
| } | |
| echo "<p>{$k}: <input type='text' name='{$k}' value='{$v}' /></p>\n"; | |
| } | |
| ?> | |
| <p>Magic password: <input type="password" name="password" /></p> | |
| <p><input type="submit" /></p> | |
| </form> | |
| </body> | |
| </html> |
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