$fields = array($array_key);
}
- $stmt = self::select($table, $fields, $condition, array('limit' => 1, 'only_query' => true));
+ $stmt = self::select($table, $fields, $condition, ['limit' => 1]);
if (is_bool($stmt)) {
$retval = $stmt;
if (is_bool($old_fields)) {
$do_insert = $old_fields;
- $old_fields = self::select($table, array(), $condition, array('limit' => 1));
+ $old_fields = self::selectOne($table, [], $condition);
if (is_bool($old_fields)) {
if ($do_insert) {
return self::e($sql, $params);
}
+ /**
+ * Retrieve a single record from a table and returns it in an associative array
+ *
+ * @brief Retrieve a single record from a table
+ * @param string $table
+ * @param array $fields
+ * @param array $condition
+ * @param array $params
+ * @return bool|array
+ * @see dba::select
+ */
+ public static function selectOne($table, array $fields = [], array $condition = [], $params = [])
+ {
+ $params['limit'] = 1;
+ $result = self::select($table, $fields, $condition, $params);
+
+ if (is_bool($result)) {
+ return $result;
+ } else {
+ $row = self::fetch($result);
+ self::close($result);
+ return $row;
+ }
+ }
+
/**
* @brief Select rows from a table
*
}
if (count($fields) > 0) {
- $select_fields = "`".implode("`, `", array_values($fields))."`";
+ $select_fields = "`" . implode("`, `", array_values($fields)) . "`";
} else {
$select_fields = "*";
}
$condition_string = self::buildCondition($condition);
- $param_string = '';
- $single_row = false;
-
if (isset($params['order'])) {
- $param_string .= " ORDER BY ";
+ $order_string = " ORDER BY ";
foreach ($params['order'] AS $fields => $order) {
if (!is_int($fields)) {
- $param_string .= "`".$fields."` ".($order ? "DESC" : "ASC").", ";
+ $order_string .= "`" . $fields . "` " . ($order ? "DESC" : "ASC") . ", ";
} else {
- $param_string .= "`".$order."`, ";
+ $order_string .= "`" . $order . "`, ";
}
}
- $param_string = substr($param_string, 0, -2);
+ $order_string = substr($order_string, 0, -2);
}
if (isset($params['limit']) && is_int($params['limit'])) {
- $param_string .= " LIMIT ".$params['limit'];
- $single_row = ($params['limit'] == 1);
+ $limit_string = " LIMIT " . $params['limit'];
}
if (isset($params['limit']) && is_array($params['limit'])) {
- $param_string .= " LIMIT ".intval($params['limit'][0]).", ".intval($params['limit'][1]);
- $single_row = ($params['limit'][1] == 1);
+ $limit_string = " LIMIT " . intval($params['limit'][0]) . ", " . intval($params['limit'][1]);
}
- if (isset($params['only_query']) && $params['only_query']) {
- $single_row = !$params['only_query'];
- }
-
- $sql = "SELECT ".$select_fields." FROM `".$table."`".$condition_string.$param_string;
+ $sql = "SELECT " . $select_fields . " FROM `" . $table . "`" . $condition_string . $order_string . $limit_string;
$result = self::p($sql, $condition);
- if (is_bool($result) || !$single_row) {
- return $result;
- } else {
- $row = self::fetch($result);
- self::close($result);
- return $row;
- }
+ return $result;
}
/**
* dba::delete, dba::update, dba::p, dba::e
*
* @param $args Query parameters (1 to N parameters of different types)
- * @return array Query array
+ * @return array|bool Query array
*/
function q($sql) {
$args = func_get_args();