Creates a WordPress sub-directory project from scratch.

composer.json

{
    "name"        : "jeanpierre/install-test",
    "description" : "Test project for WordPress stack via Composer",
    "license": "GPL-2.0",
    "authors"     : [
        {
            "name"    : "Jean-Pierre Barthelemy",
            "email"   : "[email protected]",
            "homepage": "http://jeanpier.re/"
        }
    ],
    "type"        : "wordpress-core",
    
    "repositories": [
        {
            "type": "composer",
            "url" : "http://wpackagist.org"
        }
    ],
    "config"      : {
        "vendor-dir": "wp-content/vendor"
    },
    "require"     : {
        "composer/installers": "1.0.x-dev",
        "johnpbloch/wordpress"     : "3.9.*",
        "wpackagist-plugin/wp-super-cache": "1.4",
        "wpackagist-theme/thematic": "1.0.*"
    },
    "require-dev" : {
        "wpackagist-plugin/a-fresher-cache"           : "*",
        "wpackagist-plugin/core-control"              : "*",
        "wpackagist-plugin/monster-widget"            : "*",
        "wpackagist-plugin/regenerate-thumbnails"     : "*",
        "wpackagist-plugin/theme-check"               : "*",
        "wpackagist-plugin/toolbar-theme-switcher"    : "*",
        "wpackagist-plugin/user-switching"            : "*",
        "wpackagist-plugin/wcm-user-language-switcher": "*"
    },
    "extra"       : {
        "wordpress-install-dir": "wp"
    }
}