<?php
  
function get_PATH_NAME_SEPARATOR(){ return ffOptEnv::PATH_NAME_SEPARATOR; }

class ffJSFunctions{

	static $functions = array(
		'get_template_directory_uri',
		'get_PATH_NAME_SEPARATOR',
	);

	function __construct(){
        $this->addScripts();
	}

	function addScripts(){
		add_action( 'wp_footer', array('ffJSFunctions', 'printScripts'), 1 );
		add_action( 'admin_head', array('ffJSFunctions', 'printScripts'), 1 );
	}
	
	static function printSubScript($function){
		$func_ret = ( $function() );
		$func_ret = addslashes($func_ret);
		
		echo "\n<script>\n";
		echo "function $function(){\n";
		echo "	'use strict';\n";
		echo "	return '". addslashes($func_ret) ."';\n";
		echo "}\n";
		echo "</script>\n";
	}

	static function printScripts(){
		foreach (ffJSFunctions::$functions as $function) {
			ffJSFunctions::printSubScript($function);
		}
	}
}