46 lines
1.1 KiB
PHP
46 lines
1.1 KiB
PHP
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<?php
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/**
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* Copyright 1999-2021 iFLYTEK Corporation
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace IFlytek\Xfyun\Core\Traits;
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/**
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* 数组处理
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*
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* @author guizheng@iflytek.com
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*/
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trait ArrayTrait
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{
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/**
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* 递归移除数组中的null项
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*
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* @param array $array
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* @return array
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*/
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private static function removeNull($array)
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{
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foreach ($array as $key => $item) {
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if (is_array($item)) {
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$array[$key] = self::removeNull($item);
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} else if (is_null($item)) {
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unset($array[$key]);
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}
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}
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return $array;
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}
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}
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