Helper for PHP sites hosted on servers where environement variables are disabled in apache .htaccess (making mod_env and SetEnv useless)

dotenv.php

<?php

// dotenv.php
// A helper script for PHP sites hosted on servers where environement variables
// are disabled in apache .htaccess (making mod_env and SetEnv useless)

// URL: https://gist.github.com/glenux/a727a02614b2d37a963967d1b6759073

function dotenv_file() { 
	$dotenv = null;
	foreach(['.', '..', '~/'] as $dir) {
		$file = implode(DIRECTORY_SEPARATOR, [$dir, '.env']);
		if (file_exists($file)) { 
			$dotenv = $file;
			break;
		}
	}
	return $dotenv;
}

function dotenv_load($file) {
	foreach (file($file) as $line) {
		if (preg_match('/^(\w+?)=(.+?)$/', $line)) { putenv($line); }
	}
}

$envfile = dotenv_file();
if ($envfile) { dotenv_load($envfile); }

?>