php - 获取message中的值

Question

http://git.oschina.net/startbbs/startbbs/graph/master.json

这里是一段json数据，想获取message的值，循环出来。如何弄。 先转成数组，对吧

Answer 1

<?php
    $message = array();
    $json = json_decode(
         file_get_contents('http://git.oschina.net/startbbs/startbbs/graph/master.json'),
         true);
    foreach($json['commits'] as $commit) 
         $message[] = $commit['message'];
    print_r($message);
?>

Answer 2

<?php
    $message = array();
    $json = json_decode(
         file_get_contents('http://git.oschina.net/startbbs/startbbs/graph/master.json'),
         true);
    foreach($json['commits'] as $commit) 
         $message[] = $commit['message'];
    print_r($message);
?>

Answer 3

用curl取得url里的json值，再json_decode得到数组$arr,循环$arr['commits']得到message的值