くっそ重いです。下手くそですが…Twitterのスクリーンネームの空きを検索してくれます。 $screen_names に検索したいスクリーンネームを入れていってください。 3文字IDとかいろいろ調べられるんじゃね〜みたいな？

TwitterAccountSearch.php

<?php

$screen_names = array(); // 検索したいスクリーンネームをarrayのかたちで入れてください
for ($i=0 ; $i<10; $i++){
	$screen_names[] = "hogepiyo".$i; 
}

$tas = new TwitterAccountSearch();
$tas->Set($screen_names);
$tas->Search();
$tas->SearchResult();
$tas = NULL;

class TwitterAccountSearch{
	private $accounts = array();
	private $results = array();
	
	public function __construct(){
		echo "ようこそ\r\n";
	}
	
	public function __destruct(){
		echo "さようなら\r\n";
	}
	
	public function Set($screen_names = array()){
		foreach($screen_names as $value){
			$this->accounts[] = array(
				"SCREEN_NAME"=>$value,
				"URL"=>"http://twitter.com/users/username_available?username=" . urlencode($value),
				"VALID"=>NULL
			);
			unset($value);
		}
		return 0;
	}
	
	public function Search(){
		echo "探索中...\r\n-------------\r\n";
		$result = array();
		foreach($this->accounts as $key => $value){
			$ch = curl_init($value["URL"]);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
			curl_setopt($ch, CURLOPT_TIMEOUT, 60);
			$res = curl_exec($ch);
			curl_close($ch);
			$obj = json_decode($res,true);
			$this->accounts[$key]["VALID"] = ($obj["valid"])?1:0;
			if($this->accounts[$key]["VALID"] == 1){
				$sn = $this->accounts[$key]["SCREEN_NAME"];
				$this->results[] = $sn;
				$this->WriteFile("./log.txt","a+",$sn."\r\n");
				echo $sn."    ...OK!\r\n";
			}
			unset($value);
		}
		echo "-------------\r\n探索完了！\r\n";
		return $this->accounts;
	}
	
	public function SearchResult(){
		print_r($this->results);
	}
	
	private function WriteFile($file_name,$mode,$text){
		try{
			$fp = fopen($file_name,$mode);
			flock($fp, LOCK_EX);
			fputs($fp,$text);
			flock($fp, LOCK_UN);
			fclose($fp);
		}catch(Exception $e){
			echo "oh...";
		}
	}
}

?>