composer.json

{
	"description" : "The CodeIgniter framework",
	"name" : "codeigniter/framework",
	"license": "MIT",
	"require-dev": {
		"mikey179/vfsstream": "1.1.*"
	},
	"require": {
        "php": "^5.6|^7.0",
        "ext-ctype": "*",
        "ext-dom": "*",
        "ext-gd": "*",
        "ext-iconv": "*",
        "ext-libxml": "*",
        "ext-mbstring": "*",
        "ext-SimpleXML": "*",
        "ext-xml": "*",
        "ext-xmlreader": "*",
        "ext-xmlwriter": "*",
        "ext-zip": "*",
        "ext-zlib": "*",
        "psr/simple-cache": "^1.0",
		"phpoffice/phpspreadsheet": "^1.6",
		"phpoffice/phpword": "^0.16.0",
		"tecnickcom/tcpdf": "^6.2",
		"dompdf/dompdf": "^0.8.3",
		"symfony/finder": "^4.2",
		"symfony/polyfill-ctype": "^1.11",
		"ncjoes/office-converter": "^1.0",
		"dmitrirussu/rjson-php": "1.0.2.x-dev"
    }
}