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    Vtiful\Kernel\Excel::constMemory

    (PECL xlswriter >= 1.2.1)

    Vtiful\Kernel\Excel::constMemory — Vtiful\Kernel\Excel constMemory

    说明

    public Vtiful\Kernel\Excel::constMemory(string $fileName, string $sheetName = ?)

    Write a large file with constant memory usage.

    参数

    fileName

    XLSX file name

    sheetName

    Worksheet name

    返回值

    Vtiful\Kernel\Excel instance

    示例

    示例 #1 example

    <?php
    $config     = [
    'path' => '/home/viest'
    ];

    $fileObject = new \Vtiful\Kernel\Excel($config);

    $file = $instance->constMemory('tutorial.xlsx', 'sheet');
    ?>
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