| <?php |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @package Avro |
| */ |
| |
| /** |
| * Class for static utility methods used in Avro. |
| * |
| * @package Avro |
| */ |
| class AvroUtil |
| { |
| /** |
| * Determines whether the given array is an associative array |
| * (what is termed a map, hash, or dictionary in other languages) |
| * or a list (an array with monotonically increasing integer indicies |
| * starting with zero). |
| * |
| * @param array $ary array to test |
| * @returns true if the array is a list and false otherwise. |
| * |
| */ |
| static function is_list($ary) |
| { |
| if (is_array($ary)) |
| { |
| $i = 0; |
| foreach ($ary as $k => $v) |
| { |
| if ($i !== $k) |
| return false; |
| $i++; |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * @param array $ary |
| * @param string $key |
| * @returns mixed the value of $ary[$key] if it is set, |
| * and null otherwise. |
| */ |
| static function array_value($ary, $key) |
| { |
| return isset($ary[$key]) ? $ary[$key] : null; |
| } |
| } |