.rand_item {
   display: none;
}

<ul>
	<li id="rand_01" class="rand_item">テスト</li>
	<li id="rand_02" class="rand_item">テスト</li>
	<li id="rand_03" class="rand_item">テスト</li>
	<li id="rand_04" class="rand_item">テスト</li>
	<li id="rand_05" class="rand_item">テスト</li>
	<li id="rand_06" class="rand_item">テスト</li>
	<li id="rand_07" class="rand_item">テスト</li>
	<li id="rand_08" class="rand_item">テスト</li>
	<li id="rand_09" class="rand_item">テスト</li>
</ul>

window.onload=function() {
   var randnum = 0;
   var exist = new Array();
   var count = 0;
   var run = 0;
   get_rand:
   while(run < 3) {
      randnum = 1+Math.floor(Math.random()*9);
      exist[count] = randnum;
      count++;
      for(var i = 0, n = exist.length; i < n-1; i++) {
         if(randnum == exist[i]) {
            continue get_rand;
         }
      }
      document.getElementById('rand_0' + randnum).className = 'rand_item_open';
      run++;
   }
}

function noimg($html) {
	$html = preg_replace('/(<img\s[^>]*?alt\s*=["\']?)/i', '', $html);
	return preg_replace('/(["\']\s\/>?)/i', '', $html);
}
$ks_body = get_the_content();
$ks_body = noimg($ks_body);
echo apply_filters('the_content', $ks_body);

<?php
function date_array($date_str = '') {
   if($date_str == '')
     $date_str = date("Y-m-d H:i:s");
   $date_str = explode(' ', $date_str);
   $date['date'] = explode('-', $date_str[0]);
   $date['time'] = explode(':', $date_str[1]);
   $date['year'] = $date['date'][0];
   $date['month'] = $date['date'][1];
   $date['day'] = $date['date'][2];
   $date['hour'] = $date['time'][0];
   $date['minute'] = $date['time'][1];
   $date['second'] = $date['time'][2];
   return $date;
}
 
$date = date_array($date('Y-m-d H:i:s');
echo mktime($date['hour'], $date['minute'], $date['second'], $date['month'], $date['day'], $date['year']);
?>

echo strtotime($date('Y-m-d H:i:s'));

<?php
$i=0;
$numberposts=5;
$myposts = get_posts("numberposts={$numberposts}");
foreach($myposts as $post) {
   $cat = get_the_category();
   $cat = $cat[0];
   echo '<dt>H' . intval(get_the_time('Y')-1988)
   . get_the_time('.m.d') . '</dt>';
   echo '<dd><a href="' . get_permalink() . '">'
   . get_the_title() . '</a></dd>';
   $i++;
}
while($i<$numberposts) {
   if(!$i) {
      echo '<dt>H' . intval(date('Y')-1988) .
      date('.m.d') . '</dt>';
      echo '<dd>新着情報はありません。</dd>';
   } else {
      echo '<dt>&thinsp;</dt>';
      echo '<dd>&thinsp;</dd>';
   }
   $i++;
}
?>

$parent_id = 3;
$child_category_str = get_category_children($parent_id);
if($child_category_str != '') {
	$child_category = explode("/", $child_category_str);
	$post_count = 0;
	foreach($child_category as $value) {
		if($value == '')
			continue;
		$cat = get_category($value);
		$post_count += $cat->category_count;
	}
}
if($post_count > 0) {
	echo '<div class="category">';
	echo '<h2><img src="' . get_bloginfo('template_directory') . '/images/common/sidebar_h2_category.gif" alt="カテゴリー" /></h2>';
	echo '<ul>';
	echo wp_list_categories('title_li=&child_of=' . $parent_id . '&echo=0');
	echo '</ul>';
	echo '</div>';
}

insert into `tlis_list` (member_id, title, date, `update`, state) values ('sorai', 'てすと', '2010-02-14 02:11:06', '2010-02-14 02:11:06', 0)

<div class="list admin_list" action="/new/list" method="post">
   <form class="data_form">
      <input type="text" class="title" name="title" />
      <input type="submit" class="submit" value="新しくリストを作成する" />
   </form>
</div>

<div class="list admin_list">
   <form class="data_form" action="/new/list" method="post">
      <input type="text" class="title" name="title" />
      <input type="submit" class="submit" value="新しくリストを作成する" />
   </form>
</div>

<table cellspacing="0" class="top_news" width="100%">
<?php
	$i=0;
	$numberposts=5;
	$myposts = get_posts("numberposts={$numberposts}&category=1,3");
	foreach($myposts as $post) {
		$cat = get_the_category();
		$cat = $cat[0];
		echo '<tr>';
		echo '<th>' . get_the_time('Y年m月d日') . '</th>';
		echo '<td>' . $cat->cat_name . '</td>';
		echo '<td><a href="' . get_permalink() . '">' . get_the_title() . '</a></td>';
		echo '</tr>';
		$i++;
	}
  	while($i<$numberposts) {
		echo '<tr><th height="38"></th><td></td><td></td></tr>';
		$i++;
	}
?>
</table>

<!--{$tpl_column_num}-->

<?php endif; ?>
</body></html>

<div style="float: left;">
	<p>テキスト</p>
</div>
<div style="float: right;">
	<p>テキスト</p>
</div>
<div style="clear: both;"></div>

.clearfix:after {
  content: ".";
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}
 
.clearfix {
  min-height: 1px;
}
 
* html .clearfix {
  height: 1px;
  /*¥*//*/
  height: auto;
  overflow: hidden;
  /**/
}

<div class="clearfix">
	<div style="float: left;">
		<p>テキスト</p>
	</div>
	<div style="float: right;">
		<p>テキスト</p>
	</div>
</div>
</div>

require_once("$IP/extensions/rss.php");

<rss>http://kezy.org/feed|charset=UTF-8|short|date|max=20</rss>