1$fp=fsockopen('localhost',80,&$errno,&$errstr,5);
2if(!$fp){
3    echo "$errstr ($errno)<br />\n";
4}
5fputs($fp,"GET another_page.php?flag=1\r\n");
6fclose($fp);

1<!--blogroll-->
2<div class="widget">
3    <h2>友情链接</h2>
4    <ul>
5        <?php wp_list_bookmarks('orderby=rand&limit=10&categorize=0&title_li='); ?>
6    </ul>
7</div>

 1// [bartag foo="foo-value"]
 2function bartag_func($atts) {
 3    extract(shortcode_atts(array(
 4        'foo' => 'no foo',
 5        'bar' => 'default bar',
 6    ), $atts));
 7
 8    return "foo = {$foo}";
 9}
10add_shortcode('bartag', 'bartag_func');

1// [unmi_blog]
2function unmi_blog_func($atts) {
3    return "<a href='http://unmi.cc'>隔叶黄莺 The Blog of Unmi</a>";
4}
5add_shortcode('unmi_blog', 'unmi_blog_func');

 1/*<?php wp_show_surveys(1);?>*/
 2function wp_show_survey($survey_id=''){
 3    $short_code = '[SURVEYS '.$survey_id . ']';
 4    $output = apply_filters('show_survey', $short_code);
 5    echo $output;
 6}
 7
 8add_filter('show_survey','do_shortcode');
 9
10function custom_show_survey($content=''){
11    //echo "<script>alert(123)</script>";
12    return $content;
13}
14
15//add_filter('show_survey','custom_show_survey');