PHP與Ruby對應函式及變數

PHP函式：http://overapi.com/php/
Ruby函式：http://overapi.com/ruby/
Ruby 1.9.3 API：http://www.ruby-doc.org/core-1.9.3/
Ruby 2.0 API：http://www.ruby-doc.org/core-2.0/

PHP	Ruby	功能
trim	strip	去除字串空白
namespace	Module	名稱空間
__construct	initialize	建構子
private $variable	@variable	私有變數
array_push($target , $variable);	target << variable	變數推送
require "Filename.php"	require_relative "Filename"	引用檔案
throw new Exception try catch	raise EXCEPTIONNAME begin rescue EXCEPTION	例外處理
$target = strtolower($str) $target = strtoupper($str)	target = str.downcase target = str.upcase	大小寫轉換
explode("," , $source) substr($source,from,length)	source.split "," source.slice()	字串切割
in_array($str,$check)	check.include? str	陣列資料存在確認
array_push($target,$data) $target[] = $data	target.push data target << data	陣列資料推送
join(",",$source)	source.join "," source * ","	陣列資料合併