PhpSpreadsheet/composer.json

{
    "name": "phpoffice/phpexcel",
    "description": "PHPExcel - OpenXML - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
    "keywords": ["PHP","Excel","OpenXML","xlsx","xls","spreadsheet"],
    "homepage": "http://phpexcel.codeplex.com",
    "type": "library",
    "license": "LGPL-2.1",
    "authors": [
        {
            "name": "Maarten Balliauw",
            "homepage": "http://blog.maartenballiauw.be"
        },
        {
            "name": "Mark Baker"
        },
        {
            "name": "Franck Lefevre",
            "homepage": "http://rootslabs.net"
        },
        {
            "name": "Erik Tilt"
        }
    ],
    "require": {
        "php": ">=5.4.0",
        "ext-mbstring": "*",
        "ext-xml": "*",
        "ext-xmlwriter": "*",
    },
    "require-dev": {
        "squizlabs/php_codesniffer": "2.*",
        "phpunit/phpunit": "4.6.*",
        "mikey179/vfsStream": "1.5.*"
    },
    "suggest": {
        "ext-zip": "*",
        "ext-gd2": "*",
        "pclzip/pclzip": "2.8.2"
        "mpdf/mpdf": "Option for rendering PDF with PDF Writer",
        "dompdf/dompdf": "Option for rendering PDF with PDF Writer",
        "tecnick.com/tcpdf": "Option for rendering PDF with PDF Writer",
        "jpgraph/jpgraph": "Option for rendering charts, or including charts with PDF or HTML Writers"
    },
    "autoload": {
        "psr-4": {
            "PHPExcel\\": "src/PhpSpreadsheet"
        }
    }
}