PHP read .env file into an readable array to load system environment configuration $_ENV, $_SERVER, env, dotenv, getenv

dotenv.php

<?php
try {
    /**
     * Throw exception if not found or is unreadable
     */
    if ( !file_exists( __DIR__ . '/.env' ) || !is_readable( __DIR__ . '/.env' ) ) {
        throw new Exception( 'The .env file is not found or unreadable.' );
    }
    /**
     * Get the .env file, ignore new and empty lines.
     */
    $_ENV = file( __DIR__ . '/.env', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES );

    /**
     * Check if we are dealing with an array
     */
    if ( is_array( $_ENV ) ) {

        /**
         * Catch settings and create an readable array
         */
        $_ENV = array_column( array_map( function ( $_ENV_VAR ) {
            if ( substr( $_ENV_VAR, 0, 1 ) !== '#' && strpos( $_ENV_VAR, '=' ) !== false ) {
                list( $key, $value ) = explode( '=', trim( $_ENV_VAR ), 2 );
                return [ $key, $value ];
            }
        }, $_ENV ), 1, 0 );
    } else throw new Exception( 'The .env file is not found or unreadable.' );

    /**
     * Handle exceptions
     */
} catch ( Exception $e ) {
   echo $e->getMessage();
} finally {

    /**
     * Globalize environment settings array
     */
    global $_ENV;
}