40 lines
824 B
PHP
40 lines
824 B
PHP
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<?php
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declare(strict_types=1);
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namespace App\Helper;
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class ArrayHelper
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{
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/**
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* 判断是否为关联数组
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*
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* @param array $items
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* @return bool
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*/
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public static function isAssociativeArray(array $items): bool
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{
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$i = 0;
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foreach (array_keys($items) as $value) {
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if (!is_int($value) || $value !== $i) return true;
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$i++;
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}
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return false;
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}
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/**
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* 二维数组排序
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*
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* @param array $array 数组
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* @param string $field 排序字段
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* @param int $sort 排序方式
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* @return array
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*/
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public static function sort(array $array, string $field, int $sort = SORT_DESC): array
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{
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array_multisort(array_column($array, $field), $sort, $array);
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return $array;
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}
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}
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