/**
* Cast a value to string.
*
* @static
*
* @param mixed $value Value to cast.
* @param bool $array2null (Optional) Whether to return null for an array or to cast the
* individual values within the array to the chosen type.
* @param bool $allow_empty (Optional) Whether to allow empty strings/arrays/objects.
*
* @return string|array|null
*/
function _string($value, $array2null = true, $allow_empty = true)
{
if (is_string($value) && ($value !== '' || $allow_empty === true)) {
return $value;
} else {
if (is_int($value) || is_float($value)) {
return strval($value);
} else {
if ($array2null === false && is_array($value)) {
return CastToType::recurse($value, '_string', $allow_empty);
} else {
if (is_object($value) && get_parent_class($value) === 'SplType') {
if ((string) $value == $value) {
return (string) $value;
} else {
return null;
}
} else {
if (is_object($value) && method_exists($value, '__toString')) {
return (string) $value;
}
}
}
}
}
return null;
}
/**
* Set maximum.
*/
public function setMaximum($maximum)
{
$this->maximum = \CastToType::cast($maximum, 'integer', false, true);
}
/**
* @param mixed $value
* @param string $type
*
* @return mixed
*/
private function cast($value, $type)
{
$castValue = $value;
if ($type == 'number') {
$type = 'num';
}
if ($type != 'date') {
$castValue = \CastToType::cast($value, $type, false, true);
} else {
//Specific case for date
$castValue = new \DateTime($value);
}
//The cast not working, parameters is probably not this $type
if (is_null($castValue)) {
return $value;
}
return $castValue;
}