private static $errorno = 0;
private static $affected_rows = 0;
private static $in_transaction = false;
- private static $relation = array();
+ private static $relation = [];
public static function connect($serveraddr, $user, $pass, $db, $install = false) {
if (!is_null(self::$db)) {
}
// Only do the explain on "select", "update" and "delete"
- if (!in_array(strtolower(substr($query, 0, 6)), array("select", "update", "delete"))) {
+ if (!in_array(strtolower(substr($query, 0, 6)), ["select", "update", "delete"])) {
return;
}
* @return string The input SQL string modified if necessary.
*/
public static function clean_query($sql) {
- $search = array("\t", "\n", "\r", " ");
- $replace = array(' ', ' ', ' ', ' ');
+ $search = ["\t", "\n", "\r", " "];
+ $replace = [' ', ' ', ' ', ' '];
do {
$oldsql = $sql;
$sql = str_replace($search, $replace, $sql);
// Renumber the array keys to be sure that they fit
$i = 0;
- $args = array();
+ $args = [];
foreach ($params AS $param) {
// Avoid problems with some MySQL servers and boolean values. See issue #3645
if (is_bool($param)) {
// There are SQL statements that cannot be executed with a prepared statement
$parts = explode(' ', $orig_sql);
$command = strtolower($parts[0]);
- $can_be_prepared = in_array($command, array('select', 'update', 'insert', 'delete'));
+ $can_be_prepared = in_array($command, ['select', 'update', 'insert', 'delete']);
// The fallback routine is called as well when there are no arguments
if (!$can_be_prepared || (count($args) == 0)) {
}
$params = '';
- $values = array();
+ $values = [];
foreach ($args AS $param => $value) {
if (is_int($args[$param])) {
$params .= 'i';
if (count($values) > 0) {
array_unshift($values, $params);
- call_user_func_array(array($stmt, 'bind_param'), $values);
+ call_user_func_array([$stmt, 'bind_param'], $values);
}
if (!$stmt->execute()) {
return false;
}
- $fields = array();
+ $fields = [];
$array_element = each($condition);
$array_key = $array_element['key'];
if (!is_int($array_key)) {
- $fields = array($array_key);
+ $fields = [$array_key];
}
$stmt = self::select($table, $fields, $condition, ['limit' => 1]);
/**
* @brief Fetch a single row
*
- * @param PDOStatement|mysqli_result|mysqli_stmt $stmt statement object
+ * @param mixed $stmt statement object
* @return array current row
*/
public static function fetch($stmt) {
// This code works, but is slow
// Bind the result to a result array
- $cols = array();
+ $cols = [];
- $cols_num = array();
+ $cols_num = [];
for ($x = 0; $x < $stmt->field_count; $x++) {
$cols[] = &$cols_num[$x];
}
- call_user_func_array(array($stmt, 'bind_result'), $cols);
+ call_user_func_array([$stmt, 'bind_result'], $cols);
if (!$stmt->fetch()) {
return false;
$result = $stmt->result_metadata();
$fields = $result->fetch_fields();
- $columns = array();
+ $columns = [];
foreach ($cols_num AS $param => $col) {
$columns[$fields[$param]->name] = $col;
}
/**
* @brief Delete a row from a table
*
- * @param string $table Table name
- * @param array $param parameter array
- * @param boolean $in_process Internal use: Only do a commit after the last delete
- * @param array $callstack Internal use: prevent endless loops
+ * @param string $table Table name
+ * @param array $conditions Field condition(s)
+ * @param boolean $in_process Internal use: Only do a commit after the last delete
+ * @param array $callstack Internal use: prevent endless loops
*
- * @return boolean|array was the delete successfull? When $in_process is set: deletion data
+ * @return boolean|array was the delete successful? When $in_process is set: deletion data
*/
- public static function delete($table, $param, $in_process = false, &$callstack = array()) {
-
- if (empty($table) || empty($param)) {
- logger('Table and condition have to be set');
+ public static function delete($table, array $conditions, $in_process = false, array &$callstack = [])
+ {
+ if (empty($table) || empty($conditions)) {
+ logger('Table and conditions have to be set');
return false;
}
- $commands = array();
+ $commands = [];
// Create a key for the loop prevention
- $key = $table.':'.implode(':', array_keys($param)).':'.implode(':', $param);
+ $key = $table . ':' . implode(':', array_keys($conditions)) . ':' . implode(':', $conditions);
// We quit when this key already exists in the callstack.
if (isset($callstack[$key])) {
$table = self::escape($table);
- $commands[$key] = array('table' => $table, 'param' => $param);
+ $commands[$key] = ['table' => $table, 'conditions' => $conditions];
// To speed up the whole process we cache the table relations
if (count(self::$relation) == 0) {
$rel_def = array_values(self::$relation[$table])[0];
// Create a key for preventing double queries
- $qkey = $field.'-'.$table.':'.implode(':', array_keys($param)).':'.implode(':', $param);
+ $qkey = $field . '-' . $table . ':' . implode(':', array_keys($conditions)) . ':' . implode(':', $conditions);
// When the search field is the relation field, we don't need to fetch the rows
// This is useful when the leading record is already deleted in the frontend but the rest is done in the backend
- if ((count($param) == 1) && ($field == array_keys($param)[0])) {
+ if ((count($conditions) == 1) && ($field == array_keys($conditions)[0])) {
foreach ($rel_def AS $rel_table => $rel_fields) {
foreach ($rel_fields AS $rel_field) {
- $retval = self::delete($rel_table, array($rel_field => array_values($param)[0]), true, $callstack);
+ $retval = self::delete($rel_table, [$rel_field => array_values($conditions)[0]], true, $callstack);
$commands = array_merge($commands, $retval);
}
}
- // We quit when this key already exists in the callstack.
+ // We quit when this key already exists in the callstack.
} elseif (!isset($callstack[$qkey])) {
$callstack[$qkey] = true;
// Fetch all rows that are to be deleted
- $data = self::select($table, array($field), $param);
+ $data = self::select($table, [$field], $conditions);
while ($row = self::fetch($data)) {
// Now we accumulate the delete commands
- $retval = self::delete($table, array($field => $row[$field]), true, $callstack);
+ $retval = self::delete($table, [$field => $row[$field]], true, $callstack);
$commands = array_merge($commands, $retval);
}
self::transaction();
}
- $compacted = array();
- $counter = array();
+ $compacted = [];
+ $counter = [];
foreach ($commands AS $command) {
- $condition = $command['param'];
- $array_element = each($condition);
+ $conditions = $command['conditions'];
+ $array_element = each($conditions);
$array_key = $array_element['key'];
if (is_int($array_key)) {
- $condition_string = " WHERE ".array_shift($condition);
+ $condition_string = " WHERE " . array_shift($conditions);
} else {
- $condition_string = " WHERE `".implode("` = ? AND `", array_keys($condition))."` = ?";
+ $condition_string = " WHERE `" . implode("` = ? AND `", array_keys($conditions)) . "` = ?";
}
- if ((count($command['param']) > 1) || is_int($array_key)) {
- $sql = "DELETE FROM `".$command['table']."`".$condition_string;
- logger(self::replace_parameters($sql, $condition), LOGGER_DATA);
+ if ((count($command['conditions']) > 1) || is_int($array_key)) {
+ $sql = "DELETE FROM `" . $command['table'] . "`" . $condition_string;
+ logger(self::replace_parameters($sql, $conditions), LOGGER_DATA);
- if (!self::e($sql, $condition)) {
+ if (!self::e($sql, $conditions)) {
if ($do_transaction) {
self::rollback();
}
}
} else {
$key_table = $command['table'];
- $key_param = array_keys($command['param'])[0];
- $value = array_values($command['param'])[0];
+ $key_condition = array_keys($command['conditions'])[0];
+ $value = array_values($command['conditions'])[0];
// Split the SQL queries in chunks of 100 values
// We do the $i stuff here to make the code better readable
- $i = $counter[$key_table][$key_param];
- if (count($compacted[$key_table][$key_param][$i]) > 100) {
+ $i = $counter[$key_table][$key_condition];
+ if (count($compacted[$key_table][$key_condition][$i]) > 100) {
++$i;
}
- $compacted[$key_table][$key_param][$i][$value] = $value;
- $counter[$key_table][$key_param] = $i;
+ $compacted[$key_table][$key_condition][$i][$value] = $value;
+ $counter[$key_table][$key_condition] = $i;
}
}
foreach ($compacted AS $table => $values) {
foreach ($values AS $field => $field_value_list) {
foreach ($field_value_list AS $field_values) {
- $sql = "DELETE FROM `".$table."` WHERE `".$field."` IN (".
- substr(str_repeat("?, ", count($field_values)), 0, -2).");";
+ $sql = "DELETE FROM `" . $table . "` WHERE `" . $field . "` IN (" .
+ substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
logger(self::replace_parameters($sql, $field_values), LOGGER_DATA);
*
* @return boolean was the update successfull?
*/
- public static function update($table, $fields, $condition, $old_fields = array()) {
+ public static function update($table, $fields, $condition, $old_fields = []) {
if (empty($table) || empty($fields) || empty($condition)) {
logger('Table, fields and condition have to be set');
$values = array_merge($condition, $fields);
return self::insert($table, $values, $do_insert);
}
- $old_fields = array();
+ $old_fields = [];
}
}
$condition_string = self::buildCondition($condition);
+ $order_string = '';
if (isset($params['order'])) {
$order_string = " ORDER BY ";
foreach ($params['order'] AS $fields => $order) {
$order_string = substr($order_string, 0, -2);
}
+ $limit_string = '';
if (isset($params['limit']) && is_int($params['limit'])) {
$limit_string = " LIMIT " . $params['limit'];
}
return $stmt;
}
- $data = array();
+ $data = [];
while ($row = self::fetch($stmt)) {
$data[] = $row;
}