CakePHP KiribanComponent (check round number)

kiriban_component.php

<?php
/**
 * KiribanComponent (Kiriban is round number)
 *
 * @author junichi11
 */
class KiribanComponent extends Object{
	
	public $_controller = null;
	/**
	 * @var array $option オプション
	 * snakeEyes ゾロ目 ex. 111, 22222,...
	 * mirror ミラー ex. 123321, 14541,...
	 */
	public $_option = array(
		'snakeEyes' => true,
		'mirror' => true,
		'unit' => 100,
		'countup' => true,
		'countdown' => true,
	);
	
	//===============================================	
	// callback method
	//===============================================	
	/**
	 * startup
	 * @param object $controller
	 * @return 
	 */
	function startup(&$controller){
		$this->_controller = $controller;
	}
	
	//===============================================	
	// original method
	//===============================================	
	/**
	 * キリ番であるかどうか判定する
	 * @param number $number カウント
	 * @return mixed false|string(どのキリ番か)
	 */
	function isKiriban($number){
		$res = false;
		$res = $this->_request($number);
		return $res;
	}
	
	/**
	 * 登録された判定をリクエスト
	 * @param number $number
	 * @return 
	 */
	function _request($number){
		if(isset($this->_controller->kiriban)){
			$this->_option = am($this->_option, $this->_controller->kiriban);
		}
		$res = false;
		foreach($this->_option as $key => $value){
			$method = ucfirst($key);
			$method = 'is'.$method;
			if($value == true && $this->$method($number)){
				return $key;
			}
		}
		return $res;
	}
	
	/**
	 * ゾロ目の判定
	 * @param number $number
	 * @return boolean
	 */
	function isSnakeEyes($number){
		$res = false;
		if(preg_match('/^1{2,}$/', $number)
			|| preg_match('/^2{2,}$/', $number)
			|| preg_match('/^3{2,}$/', $number)
			|| preg_match('/^4{2,}$/', $number)
			|| preg_match('/^5{2,}$/', $number)
			|| preg_match('/^6{2,}$/', $number)
			|| preg_match('/^7{2,}$/', $number)
			|| preg_match('/^8{2,}$/', $number)
			|| preg_match('/^9{2,}$/', $number))
		{
			$res = true;
		}
		return $res;
	}
	
	/**
	 * ミラー判定
	 * 2桁以上の数値を判定する
	 * @param number $number
	 * @return boolean
	 */
	function isMirror($number){
		$res = false;
		$strlen = strlen($number);
		if($strlen < 2 || preg_match("/[^0-9]/", $number)){
			return $res;
		}
		$hlength = floor($strlen/2);
		$prenumber = substr($number, 0, $hlength);
		$reversePrenumber = strrev($prenumber);
		$sufnumber = substr($number, strlen($number)-$hlength, $hlength);
		if($reversePrenumber == $sufnumber){
			$res = true;
		}
		return $res;
	}
	
	/**
	 * 単位判定
	 * @param number $number
	 * @return boolean
	 */
	function isUnit($number){
		$res = false;
		if(($number <= 0) 
			|| ($this->_option['unit'] == 0)
			|| preg_match("/[^0-9]/", $number)
		){
			return $res;
		}
		$remainder = $number % $this->_option['unit'];
		if($remainder == 0){
			$res = true;
		}
		return $res;
	}
	
	/**
	 * 連番（カウントアップ）判定
	 * @param number $number
	 * @return 
	 */
	function isCountup($number){
		return $this->_isCountupdown($number, 'up');
	}
	
	/**
	 * 連番（カウントダウン）判定
	 * @param number $number
	 * @return 
	 */
	function isCountdown($number){
		return $this->_isCountupdown($number, 'down');
	}

	/**
	 * 連番判定
	 * @param number $number
	 * @param string $updown up|down
	 * @access private
	 * @return 
	 */
	function _isCountupdown($number, $updown){
		$res = false;
		$strlen = strlen($number);
		if($strlen < 2 || preg_match("/[^0-9]/", $number)){
			return $res;
		}
		$numberTop = substr($number, 0, 1);
		$compareNum = $numberTop;
		if($compareNum != "-"){
			for($i = 0; $i < $strlen - 1; $i++){
				if($updown == 'up'){
					$numberTop++;
					if($numberTop > 9){
						break;
					}
				}else if($updown == 'down'){
					$numberTop--;
					if($numberTop < 0){
						break;
					}
				}else{
					
				}
				$compareNum .= $numberTop;
			}
			if($compareNum == $number){
				$res = true;
			}
		}
		return $res;
		
	}
}
?>