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<?php
/**
* This file is part of php-simple-request.
*
* php-simple-request is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* php-simple-request is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with php-simple-request. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Mcustiel\SimpleRequest\Validator;
* Checks if all the elements of a given array are unique values.
* @author mcustiel
class UniqueItems extends AbstractEmptySpecificationValidator
{
* {@inheritdoc}
* @see \Mcustiel\SimpleRequest\Interfaces\ValidatorInterface::validate()
public function validate($value)
if (!is_array($value)) {
return false;
}
if (empty($value)) {
return true;
return $this->checkIfAllUniques($value);
private function checkIfAllUniques($value)
$keys = array_keys($value);
$count = count($keys);
for ($i = 0; $i < $count - 1; $i++) {
for ($j = $i + 1; $j < $count; $j++) {
if ($value[$keys[$i]] == $value[$keys[$j]]) {