function run_on_single_field($field, $value)
{
if (!isset($this->rules[$field]) || !is_array($this->rules[$field])) {
// no rules means always valid
return true;
}
$verdict = true;
foreach ($this->rules[$field] as $rule) {
$callback = GP_Validators::get($rule['rule']);
if (is_null($callback)) {
trigger_error(__('Non-existent validator: ' . $rule['rule']));
continue;
}
$args = $rule['args'];
array_unshift($args, $value);
// TODO: refactor
if ('positive' == $rule['kind']) {
if (!call_user_func_array($callback['positive'], $args)) {
$this->errors[] = $this->construct_error_message($rule, $value);
$verdict = false;
}
} else {
if (is_null($callback['negative'])) {
if (call_user_func_array($callback['positive'], $args)) {
$this->errors[] = $this->construct_error_message($rule, $value);
$verdict = false;
}
} else {
if (!call_user_func_array($callback['negative'], $args)) {
$this->errors[] = $this->construct_error_message($rule, $value);
$verdict = false;
}
}
}
}
return $verdict;
}
function test_between()
{
$callback = GP_Validators::get('between');
$f = $callback['positive'];
$this->assertEquals(true, $f(0, -1, 2));
}
