<?php

namespace Maatwebsite\Excel\Helpers;

class ArrayHelper
{
    /**
     * @param  array  $array
     * @return array
     */
    public static function ensureMultipleRows(array $array): array
    {
        if (static::hasMultipleRows($array)) {
            return $array;
        }

        return [$array];
    }

    /**
     * Only have multiple rows, if each
     * element in the array is an array itself.
     *
     * @param  array  $array
     * @return bool
     */
    public static function hasMultipleRows(array $array): bool
    {
        return count($array) === count(array_filter($array, 'is_array'));
    }
}

• [F] ArrayHelper.php
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