maeharin

<?php
namespace A;
class C
{
  static function foo() {echo "A_foo\n";}
}

namespace B;
class C
{

maeharin

<?php

class C
{
    protected $middleware;

    public function __construct() {
        $this->middleware = array($this); //Cオブジェクト自身を参照させる
    }

maeharin

<?php
$t = microtime(ture);
for($i = 0; $i < 1000000; $i++) {(string)$i;}
echo microtime(ture) - $t;   

maeharin

<?php                                                                                                                                                                               
// ワンソース

function event() {
    $args = func_get_args();

    $name = array_shift($args);
    $callable = array_pop($args);

    $is_call = $callable();

maeharin

<?php

function foo() {
    $args = func_get_args(); //可変長引数を配列で取得

    $v = array_shift($args);
    $callable = array_pop($args);

    $callable($v); //コールバック関数を呼び出し
}

maeharin

require 'optparse'

OptionParser.new do |o|
  o.on("-r") {puts 'read mode'}
  o.on("-w") {puts 'write mode'}
  o.on("-e") {puts 'edit mode'}                                                                                                                                                     
  o.on("-d") {puts 'delete mode'}
end.parse! ARGV

maeharin

ls | grep -e "[0-9]\{4\}" | xargs mv ../sandbox_daily/

maeharin

psql -U <username> -d <dbname> -c 'SELECT * FROM users where id > 10;' -A > log.txt

maeharin

# 起動
$ ruby -r webrick -e 'WEBrick::HTTPServer.new(:DocumentRoot => "./", :Port => 8080).start'

# 停止
$ ps aux | grep ruby
$ kill -9 <pid>

maeharin

[1,2].tap {|arr| arr << 3}.display