bm.php

<?php
$of = isset($_GET['of']) ? $_GET['of'] : 0;
if($of == 0){
	$of=  0;
}
$html = file_get_contents('http://b.hatena.ne.jp/entrylist?of=' . $of);
$html = str_replace("\n", '', $html);

preg_match_all('/(?<=\<div class="entry-contents"\>)(.*?)(?=\<\/div\>)/', $html, $matches);

$result = array();
foreach($matches[1] as $match){//var_dump($match);
	preg_match_all('/(?<=a href=")(.*?)(?=")(?:.*?)(?<=title=")(.*?)(?=")/', $match, $aMatch);
	$result[] = array(
			'url' => $aMatch[1][0],
			'title' => $aMatch[2][0],
	);
}

header("Access-Control-Allow-Origin: *");
echo json_encode($result);