Underline cell texts on a new xlsx file.

Requirements:

• Composer
• PHP 7.2 or newer

Step 1.

Setup dependencies.

{
    "require": {
        "phpoffice/phpspreadsheet": "^1.3"
    }
}

composer.json

Step 2.

Install phpspreadsheet.

$ composer install

command line

Step 3.

Create a new PHP file, and start coding.

<?php

// Autoload dependencies
require 'vendor/autoload.php';

// Import the core class of PhpSpreadsheet
use PhpOffice\PhpSpreadsheet\Spreadsheet;

// Import the Xlsx writer class
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

// Create a new Spreadsheet object
$spreadsheet = new Spreadsheet();

// Retrieve the current active worksheet
$sheet = $spreadsheet->getActiveSheet();

// Set cell A1 with the "Hello World !" string value
$sheet->setCellValue('A1', 'Hello World !');

// Underline cell A1
$sheet->getCell('A1')->getStyle()->getFont()->setUnderline(true);

// Write a new .xlsx file
$writer = new Xlsx($spreadsheet);

// Save the new .xlsx file
$writer->save('create-xlsx-files-with-underlined-texts.xlsx');

create-xlsx-files-with-underlined-texts.php

Test.

Run the following codes.

$ php create-xlsx-files-with-underlined-texts.php

command line

Result.

Open the generated file create-xlsx-files-with-underlined-texts.xlsx.

References:

• How to install PhpSpreadsheet
• Creating a spreadsheet
• Accessing cells
• Reading and writing to file
• Reading Files
• PhpSpreadsheet Recipes