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1 changed files with 14 additions and 71 deletions
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sys/sys.php
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@ -5,80 +5,23 @@
* *
* *
*/ */
function sql_read($query) {
function get_db_connection($db_host = null, $db_user = null, $db_pass = null, $db_name = null) {
global $db; global $db;
if (!isset($db) || is_null($db)) $db = new PDO("mysql:host=".DB_HOST.";",DB_USER,DB_PASS);
// If custom credentials or a custom DB are provided, create a fresh, temporary connection $stmt = $db->prepare($query);
if ($db_host !== null || $db_user !== null || $db_pass !== null || $db_name !== null) { if ($stmt->execute() === false) return ["status" => "error", "query"=>$query];
$host = $db_host ?? DB_HOST; return $stmt->fetchAll(PDO::FETCH_ASSOC);
$user = $db_user ?? DB_USER;
$pass = $db_pass ?? DB_PASS;
$name = $db_name ?? (defined('DB_NAME') ? DB_NAME : '');
$dsn_base = "mysql:host=" . $host . ";";
$dsn_full = $dsn_base . (!empty($name) ? "dbname=" . $name . ";" : "");
try {
return new PDO($dsn_full, $user, $pass);
} catch (PDOException $e) {
// MySQL Error 1049 is "Unknown database". If caught, fallback to connection without DB.
if (strpos($e->getMessage(), '1049') !== false) {
return new PDO($dsn_base, $user, $pass);
}
throw $e; // Re-throw if it's a real connection/auth issue
}
}
// Otherwise, use or initialize the global connection using constants
if (!isset($db) || is_null($db)) {
$dsn_base = "mysql:host=" . DB_HOST . ";";
$name = defined('DB_NAME') ? DB_NAME : '';
$dsn_full = $dsn_base . (!empty($name) ? "dbname=" . $name . ";" : "");
try {
$db = new PDO($dsn_full, DB_USER, DB_PASS);
} catch (PDOException $e) {
if (strpos($e->getMessage(), '1049') !== false) {
$db = new PDO($dsn_base, DB_USER, DB_PASS);
} else {
throw $e;
}
}
}
return $db;
} }
function sql_write($query) {
function sql_read($query, $db_host = null, $db_user = null, $db_pass = null, $db_name = null) { global $db;
$pdo = get_db_connection($db_host, $db_user, $db_pass, $db_name); if (!isset($db) || is_null($db)) $db = new PDO("mysql:host=".DB_HOST.";",DB_USER,DB_PASS);
$stmt = $pdo->prepare($query); $stmt = $db->prepare($query);
if ($stmt->execute() === false) die ("sql error: $query");
if ($stmt->execute() === false) { return $stmt->rowCount();
return ["status" => "error", "query" => $query];
}
return $stmt->fetchAll(PDO::FETCH_ASSOC);
} }
function sql($query) {
function sql_write($query, $db_host = null, $db_user = null, $db_pass = null, $db_name = null) { if (strpos($query, "SELECT ") === 0) return sql_read($query);
$pdo = get_db_connection($db_host, $db_user, $db_pass, $db_name); else return sql_write($query);
$stmt = $pdo->prepare($query);
if ($stmt->execute() === false) {
die("sql error: $query");
}
return $stmt->rowCount();
}
function sql($query, $db_host = null, $db_user = null, $db_pass = null, $db_name = null) {
if (
stripos(trim($query), "SHOW") === 0
|| stripos(trim($query), "DESCRIBE") === 0
|| stripos(trim($query), "SELECT") === 0
) {
return sql_read($query, $db_host, $db_user, $db_pass, $db_name);
} else {
return sql_write($query, $db_host, $db_user, $db_pass, $db_name);
}
} }