BBCODE to embed tweets

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE extension SYSTEM "ext-1.0.dtd">

<!--
/**
 *BBCODE Tweet
 */
-->

<extension engine="1.0">
    <id>bbcode_tweet</id>
    <title>BBCODE TWEET)</title>
    <version>0.1.0</version>
    <description>BBCODE to insert tweet in post</description>
    <minversion>1.4.1</minversion>
    <maxtestedon>1.4.2</maxtestedon>

     <hooks>
        <hook id="ps_start"><![CDATA[

// tag handling function
function handle_table_tag($inputText) {
<script type="text/javascript">
function loadx(data) {
  document.write(data.html);
}
</script>
<script type="text/javascript" src="https://api.twitter.com/1/statuses/oembed.json?id={IDENTIFIER}&callback=loadx"></script>
<div class='twitter' onLoad='loadx().html'/></div>
}
        ]]></hook>

        <hook id="ps_preparse_tags_start"><![CDATA[

// add our tag to the list
$tags[0] = 'tweet';
$tags_opened[0] = 'tweet';
$tags_closed[0] = 'tweet';
$tags_inline[0] = 'tweet';
$tags_trim[0] = 'tweet';


        ]]></hook>
        <hook id="ps_do_bbcode_replace"><![CDATA[

$pattern[] = '#\[tweet\](.*?)\[/tweet\]#se';
$replace[] = 'handle_tweet_tag(\'$1\')';

        ]]></hook>
<hook id="pun_bbcode_pre_buttons_output">
<![CDATA[

                        $this->add_button(array('name'    => 'TW', 'weight' => 60, 'image' => false));
        ]]></hook>

    </hooks>
</extension>

?>
// tag handling function
function handle_table_tag($inputText) {
<script type="text/javascript">
function loadx(data) {
  document.write(data.html);
}
</script>
<script type="text/javascript" src="https://api.twitter.com/1/statuses/oembed.json?id={IDENTIFIER}&callback=loadx"></script>
<?php