public function is_valid($value)
{
$name = $this->attrs['name'];
if (isset($_FILES[$name])) {
$value = isset($_FILES[$name]) ? $_FILES[$name]['name'] : null;
if (parent::is_valid($value)) {
if (!$this->required) {
return true;
}
if (!empty($this->extensions)) {
$ext = pathinfo($value, PATHINFO_EXTENSION);
if (!in_array($ext, $this->extensions)) {
$this->_error('invalid_file_extension');
$valid = false;
}
}
if (0 < $this->max_size && $this->max_size < $_FILES[$name]['size']) {
$this->_error('file_too_big');
$valid = false;
}
return $_FILES[$name]['error'] == UPLOAD_ERR_OK && is_uploaded_file($_FILES[$name]['tmp_name']);
}
}
return false;
}
public function is_valid($value)
{
if (parent::is_valid($value)) {
if ($this->required && !empty($this->value) && $value != $this->value) {
$this->_error('incorrect_value');
return false;
}
return true;
}
return false;
}
public function is_valid($value)
{
if (parent::is_valid($value)) {
if ($this->required && !in_array($value, $this->choices)) {
$this->_error('incorrect_value');
return false;
}
return true;
}
return false;
}
