/**
* Returns the result of calling for query using the callback
*
* @return mixed the result of the callback function, or NULL
*/
public function delegate_current(\MySQLi_Result $pointer)
{
$current = $pointer->fetch_object();
if ($current === null) {
return null;
}
// Prepare the arguments
$args = array();
foreach ($this->args as $arg) {
$args[] = $arg->format($current);
}
return call_user_func_array($this->callback, $args);
}
/**
* Returns the object at the given pointer, possibly from DBI cache
*
*/
public function delegate_current(\MySQLi_Result $pointer)
{
$obj = $pointer->fetch_object($this->object_type);
if ($obj === null) {
return null;
}
if ($obj->db_get_cache()) {
if (($cache = $this->dbi->getCached($obj, $obj->id)) !== null) {
return $cache;
}
$this->dbi->setCached($obj);
}
$obj->db_set_dbi($this->dbi);
return $obj;
}
/**
* Frees memory associated with the result.
*/
public function free()
{
if ($this->_open === true) {
$this->_result->free();
$this->_open = false;
}
}
/**
* Get the name of the fields in an array
*
* @access public
* @since 2.3
* @return array
*/
function listFields()
{
$fieldNames = array();
while ($field = $this->resultId->fetch_field()) {
$fieldNames[] = $field->name;
}
return $fieldNames;
}
/**
* Seek the resultset to a certain index.
*
* @param integer $offset Offset to seek to.
*/
protected function jumpTo($offset)
{
if ($offset != $this->row_pointer) {
if ($this->offsetExists($offset)) {
$this->result->data_seek($offset);
}
$this->row_pointer = $offset;
}
}
/**
* Fetch rows of query result as associative array
*
* @param string $query
* @param string $valueAsArrayIndex If not null you need to define a field name of the table
* e.g. your table has {id, name, email} fields, if you set it to 'name' the key of resulting
* array is the value of the field 'name'
* @return array[]
*/
public function fetchAsAssoc($query, $valueAsArrayIndex = null)
{
$fetch = array();
$this->query($query);
while ($row = $this->lastResult->fetch_assoc()) {
if ($valueAsArrayIndex) {
if (!isset($row[$valueAsArrayIndex])) {
error("Field '{$valueAsArrayIndex}' does not exist in SQL Result");
}
$fetch[$row[$valueAsArrayIndex]] = $row;
} else {
$fetch[] = $row;
}
}
return $fetch;
}
/**
* Returns the formatted object at the given pointer
*
*/
public function delegate_current(\MySQLi_Result $pointer)
{
return $pointer->fetch_object($this->object_type, $this->object_args);
}
/**
* Return the next row of results from the last query.
*
* @return array
*/
function getRow()
{
return $this->resid ? $this->resid->fetch_assoc() : false;
}
public function __construct($result, $class = null)
{
parent::__construct($result);
$this->class = $class;
}
/**
* Internal method to free the result resource
*
* @return null
*/
public function free()
{
$this->result->free();
}
public function fetch_row($type_cast = false)
{
return $type_cast ? $this->type_cast(parent::fetch_row()) : parent::fetch_row();
}