ジオプラスでJSON：たった独りのIT革命：SSブログ

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ジオプラスでJSON　[ジオプラス] [編集]

Yahoo! UI LibraryやScript.aculo.usの使用法を勉強し紹介してきました。
そろそろ本格的にAjaxに入ろうとしていたところ、またまた問題発生です。

現在以下の書籍で勉強中です。
10日でおぼえるAjax 入門教室
Ajaxでサーバと通信するためJSON形式でデータを扱いたいのですが、json_encode()はPHP5.2から標準になったそうです。
私の使っているジオプラスはPHP5.1.4なのです。

どうりで、JavaScriptからAjaxが出来ないわけです。

そこで、またまた調べてみました。

●PEAR::Services_JSON
ダウンロード(http://mike.teczno.com/JSON.tar.gz)

ジオプラスの場合は、
/geo_cgi_private/JSON.php
に配置します。

使い方は簡単です。

<?php
define( 'MYSMARTY_DIR', '/geo_cgi_private/' );
require_once ( MYSMARTY_DIR .'JSON.php' );

$arr = array(
    array(
        "name" => "データ1",
        "url"  => "URL１"
    ),
    array(
        "name" => "データ２",
        "url"  => "URL2"
    )
);

$json = new Services_JSON;
$encode = $json->encode($arr);
header("Content-Type: text/javascript; charset=utf-8");
echo $encode;
?>

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