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私は、テンプレートから直接PHP関数またはショートコードを使用して私のwordpressのインストールからいくつかのウィジェットを呼び出したい。私は、テンプレートから直接このプラグインを呼び出す必要がありますが、何のショートやPHPの呼び出しはありません。PHPを使用したウィジェットの呼び出し。 Wordpress
<?php
/*
Plugin Name: WP Recent Tags
Plugin URI: http://www.mashget.com/2008/09/18/wp-recent-tags-for-wordpress/
Description: Show the recent tags.
Author: Andrew Zhang
Version: 0.1.1
Author URI: http://www.mashget.com
*/
if (!class_exists('RecentTags')):
class RecentTags
{
var $plugin_name="WP Recent Tags";
var $plugin_version="0.1.1";
var $plugin_uri="http://www.mashget.com";
var $wptTable;
var $post_tag_update_count_callback;
var $tagcount_update_log=array();
var $rtOptions;
function RecentTags()
{
global $wpdb;
$this->wptTable=$wpdb->prefix . 'wpt_recent_tagcount';
$this->rtOptions=get_option('widget_recent_tags');
if(!$this->rtOptions)
{
$this->rtOptions=$this->get_def_options();
}
$taxonomy = get_taxonomy('post_tag');
if (!empty($taxonomy->update_count_callback))
{
$this->post_tag_update_count_callback=$taxonomy->update_count_callback;
$taxonomy->update_count_callback=array(&$this,'post_tag_update_count');
add_action('wp_insert_post', array(&$this,'check_tagcount_update_log'), PHP_INT_MAX, 2);
}
if($this->rtOptions['style_css_enabled'])
{
add_action('wp_head', array(&$this,'generate_rtstyle'));
}
add_action('delete_term', array(&$this,'deletetagstat'));
add_action('widgets_init', array(&$this, 'register_wrt_widget'));
add_action('admin_menu', array(&$this,'add_options_page'));
}
function get_def_options()
{
return array(
'title'=>'Recent Tags',
'postsnum'=>10,
'tagsnum'=>15,
'style'=>'cloud',
"style_css_enabled" => "1",
"cloud_style_css" =>"ul.recent-tags li { display:inline; border:0; }
ul.recent-tags li a { font-weight:400; line-height:120%; margin:0 0.5em 0 0; }
ul.recent-tags li .S3 { font-size:13pt; }
ul.recent-tags li .S2 { font-size:11pt; }
ul.recent-tags li .S1 { font-size:8pt; }
",
"list_style_css" =>"ul.recent-tags li { border:0; }
ul.recent-tags li a { font-weight:400; line-height:120%; margin:0 0.5em 0 0; }
",
);
}
function add_options_page()
{
if (function_exists('add_options_page'))
{
add_options_page($this->plugin_name, $this->plugin_name, 8, basename(__FILE__), array(&$this,'wp_recent_tags_options_subpanel'));
}
}
function wp_recent_tags_options_subpanel()
{
if($_POST["wp_rt_submit"])
{
$wp_settings = array (
"style_css_enabled" => $_POST['style_css_enabled']? "1":false,
"cloud_style_css" => $_POST['cloud_style_css'],
"list_style_css" => $_POST['list_style_css'],
);
$wp_settings=array_merge($this->rtOptions, $wp_settings);
update_option("widget_recent_tags",$wp_settings);
echo '<div id="message" class="updated fade"><p>Options Updated</p></div>';
}
else if($_POST["wp_rt_load_default"])
{
$def=$this->get_def_options();
$wp_settings = array (
"cloud_style_css" => $def["cloud_style_css"],
"list_style_css" => $def["list_style_css"],
);
$wp_settings=array_merge($this->rtOptions, $wp_settings);
update_option("widget_recent_tags",$wp_settings);
echo '<div id="message" class="updated fade"><p>Options Reset</p></div>';
}
else
{
$wp_settings=$this->rtOptions;
}
?>
<div class="wrap">
<form action="<?php echo $_SERVER['PHP_SELF']; ?>?page=recent-tags.php" method="post">
<h2><?php echo $this->plugin_name;?> Options</h2>
<table class="form-table">
<tr valign="top">
<td>
<input name="style_css_enabled" type="checkbox" id="style_css_enabled" value="1" <?php checked('1', ($wp_settings["style_css_enabled"]==="1")); ?> />
<label for=style_css_enabled><strong>Output style in the page</strong></label> (Or you may want to put these in your own css)
<p>
<a name="rt-cloud"></a>
<label>For Cloud</label>
<br/>
<textarea name="cloud_style_css" rows="5" cols="80"><?php echo str_replace("\t","",$wp_settings["cloud_style_css"]); ?></textarea>
</p>
<p>
<a name="rt-list"></a>
<label>For List</label>
<br/>
<textarea name="list_style_css" rows="5" cols="80"><?php echo str_replace("\t","",$wp_settings["list_style_css"]); ?></textarea>
</p>
</td>
</tr>
</table>
<p class="submit">
<input type="submit" name="wp_rt_load_default" value="Reset to Default Options »" class="button" onclick="return confirm('Are you sure to reset options?')" />
<input type="submit" name="wp_rt_submit" value="Save Options »" class="button" style="margin-left:15px;" />
</p>
</form>
</div>
<?php
}
function register_wrt_widget()
{
if (!function_exists('register_sidebar_widget'))return;
register_sidebar_widget($this->plugin_name, array(&$this, 'generate_wrt_widget'));
register_widget_control($this->plugin_name, array(&$this, 'wrt_widget_control'));
}
function wrt_widget_control()
{
$options = $newoptions = $this->rtOptions;
if (isset($_POST['recent-tags-title']))
{
$newoptions['title'] =(stripslashes($_POST['recent-tags-title']));
$newoptions['postsnum']=intval($_POST['recent-tags-rcposts-num']);
$newoptions['tagsnum']=intval($_POST['recent-tags-maxtags-num']);
$newoptions['style']=($_POST['recent-tags-style']);
}
if ($options != $newoptions)
{
if($newoptions['postsnum'] > $options['postsnum'])
{
$this->preRtdata(intval($newoptions['postsnum']));
}
$options = $newoptions;
update_option('widget_recent_tags', $options);
}
$title = attribute_escape($options['title']);
$postsnum = $options['postsnum'];
$tagsnum =$options['tagsnum'];
if(!class_exists("WidgetCache"))
{
?>
<p>
<i>
You might use <a href='http://wordpress.org/extend/plugins/wp-widget-cache/' target='_blank'>
WP Widget Cache</a>
to improve performance</i>
</p>
<?php
}
?>
<p>
<label for="recent-tags-title">
Title: <input type="text" id="recent-tags-title" name="recent-tags-title" value="<?php echo $title ?>" style="width: 200px;"/>
</label>
</p>
<p>
<label for="recent-tags-maxtags-num">
Number of tags to show: <input type="text" size="2" id="recent-tags-maxtags-num" name="recent-tags-maxtags-num" value="<?php echo $tagsnum ?>" style="text-align:center;"/>
</label>
</p>
<p>
<label for="recent-tags-rcposts-num">
Show the tags in recent <input type="text" size="2" id="recent-tags-rcposts-num" name="recent-tags-rcposts-num" value="<?php echo $postsnum ?>" style="text-align:center;"/> posts
</label> (<a href="http://www.mashget.com/2008/09/18/wp-recent-tags-for-wordpress/#recent" target="_blank">?</a>)
</p>
<p>
Output style:
<label for="recent-tags-style-cloud">
<input type="radio" id="recent-tags-style-cloud" name="recent-tags-style" value="cloud" <?php checked('1', $options['style']=="cloud"); ?> /> Cloud
</label> (<a href='/wp-admin/options-general.php?page=recent-tags.php#rt-cloud' target='_blank'>css</a>)
<label for="recent-tags-style-list">
<input type="radio" id="recent-tags-style-list" name="recent-tags-style" value="list" <?php checked('1', $options['style']=="list"); ?> /> List
</label> (<a href='/wp-admin/options-general.php?page=recent-tags.php#rt-list' target='_blank'>css</a>)
</p>
<?php
}
function generate_rtstyle()
{
echo "<!--$this->plugin_name $this->plugin_version ($this->plugin_uri) Begin -->\n";
echo "<style>\n";
echo str_replace("\t","",$this->rtOptions[$this->rtOptions['style']."_style_css"]);
echo "</style>\n";
echo "<!--$this->plugin_name End -->\n";
}
function generate_wrt_widget($args)
{
extract($args);
{
$options = $this->rtOptions;
$title = $options['title'];
$postsnum =intval($options['postsnum']);
$tagsnum = intval($options['tagsnum']);
if(!($postsnum>0&&$tagsnum>0))return;
echo "<!--$this->plugin_name $this->plugin_version ($this->plugin_uri) Begin -->\n";
echo $before_widget;
echo $before_title.$title. $after_title;
$sdate=$this->getRecentPostDate($postsnum);
echo "<ul class='recent-tags'>";
if($options['style']=='cloud')
{
$rts=$this->getRecentTagCloud($tagsnum, $sdate, 3);
foreach ($rts as $lpterm)
{
?>
<li><a class="S<?php echo $lpterm['slevel']; ?>" href="<?php echo $lpterm['link']; ?>" title="View all posts tagged with <?php echo $lpterm['name'];?>"><?php echo $lpterm['name'];?></a></li>
<?php
}
echo "</ul>";
}
else
{
$rts=$this->getRecentTagNameLinks($tagsnum, $sdate);
echo "<ul class='recent-tags'>";
foreach ($rts as $lpterm)
{
?>
<li><a href="<?php echo $lpterm['link']; ?>" title="View all posts tagged with <?php echo $lpterm['name'];?>"><?php echo $lpterm['name'];?></a></li>
<?php
}
}
echo "</ul>";
echo $after_widget;
echo "<!--$this->plugin_name End -->\n";
}
}
function post_tag_update_count($terms)
{
global $wpdb;
$msg="";
foreach ($terms as $term)
{
if(!$this->tagcount_update_log[$term])
{
$this->tagcount_update_log[$term]=array();
$rec=$wpdb->get_row($wpdb->prepare("SELECT count, term_id FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term));
if(!$rec) continue;
$oldcount=$rec->count;
$term_id=$rec->term_id;
}
else
{
$oldcount=$this->tagcount_update_log[$term]['oldcount'];
$term_id=$this->tagcount_update_log[$term]['term_id'];
}
$newcount = $wpdb->get_var($wpdb->prepare("SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type = 'post' AND term_taxonomy_id = %d", $term));
//$wpdb->update($wpdb->term_taxonomy, compact('count'), array('term_taxonomy_id' => $term));
$this->tagcount_update_log[$term]=array(
'oldcount'=>intval($oldcount),
'newcount'=>intval($newcount),
'term_id'=>intval($term_id)
);
}
//call_user_func($this->post_tag_update_count_callback, $terms);
}
function check_tagcount_update_log($post_id=0, $post=null)
{
if(!($post_id > 0))return;
if(!$post || 'publish' != $post->post_status)return;
global $wpdb;
foreach ($this->tagcount_update_log as $term_taxonomy_id=>$termArr)
{
if($termArr['oldcount']!=$termArr['newcount'])
{
$v=$wpdb->update($wpdb->term_taxonomy, array('count'=>$termArr['newcount']), array('term_taxonomy_id' => $term_taxonomy_id));
//file_put_contents(dirname(__File__)."/".$term_taxonomy_id,var_export($termArr,true));
$this->updatetagstat($termArr['term_id'], $termArr['newcount']-$termArr['oldcount']);
}
}
$this->tagcount_update_log=array();
}
function updatetagstat($term_id=0, $countchange=0, $timestamp=null)
{
$term_id=intval($term_id);
$countchange=intval($countchange);
global $wpdb;
if(!($term_id>0) || $countchange==0) return;
if(!$timestamp)$timestamp=time();
if(!is_int($timestamp))$timestamp=strtotime($timestamp);
$today = date("Ymd", $timestamp);
$tomorrow =date("Ymd", mktime(0, 0, 0, date("m",$timestamp) , date("d",$timestamp)+1, date("Y",$timestamp)));
$sql="select wpt_id, count from $this->wptTable where term_id='$term_id' and inc_date>='$today' and inc_date<'$tomorrow'";
$rec=$wpdb->get_row($sql);
$sql="";
if($rec)
{
$recid=$rec->wpt_id;
if($countchange < 0)
{
if($countchange < -$rec->count)
{
$countchange = -$rec->count;
}
}
$sql="update $this->wptTable set count=count + ($countchange) where wpt_id ='$recid'";
}
else if($countchange > 0)
{
$sql="insert into $this->wptTable (term_id,count,inc_date) values ('$term_id','$countchange','$today')";
}
if($sql)$wpdb->query($sql);
}
function deletetagstat($term=0, $tt_id=0, $taxonomy=0)
{
global $wpdb;
if(!($term > 0))return;
$sql="delete from $this->wptTable where term_id='$term'";
$wpdb->query($sql);
}
function install()
{
global $wpdb;
$wptTable=$this->wptTable;
if($wpdb->get_var("show tables like '$wptTable'") != $wptTable) {
$sql="CREATE TABLE {$wptTable}
(
wpt_id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
term_id BIGINT(20) UNSIGNED NOT NULL,
count BIGINT(20) UNSIGNED default '0',
inc_date DATETIME NOT NULL default '0000-00-00 00:00:00',
PRIMARY KEY (wpt_id),
INDEX inc_date (inc_date),
INDEX term_id (term_id)
)";
$wpdb->query($sql);
$this->preRtdata(10);
//file_put_contents(dirname(__File__)."/active",$wpdb->query($sql));
}
}
function preRtdata($num)
{
if($num<=0)return;
set_time_limit(0);
global $wpdb;
$termArr=$this->getTagsInRecentPosts($num);
$lastTerm=$termArr[sizeof($termArr)-1];
$sql="Delete from $this->wptTable where inc_date < '{$lastTerm['date']}'";
$wpdb->query($sql);
foreach ($termArr as $term)
{
$this->updatetagstat($term['term_id'], 1, $term['date']);
}
}
function getRecentTags($limit, $days)
{
global $wpdb;
$where="";
if(is_int($days) && $days > 0)
{
$mday =date("Ymd", mktime(0, 0, 0, date("m") , date("d")-$days, date("Y")));
$where=" WHERE inc_date >= '$mday' ";
}
else if(is_object($days) && $days->post_date)
{
$days=strtotime($days->post_date);
$mday=date("Ymd", mktime(0, 0, 0, date("m",$days) , date("d",$days), date("Y",$days)));
$where=" WHERE inc_date >= '$mday' ";
}
$sql= "SELECT sum(count) as sum , t.term_id, name FROM $this->wptTable As s INNER JOIN $wpdb->terms As t on s.term_id=t.term_id $where GROUP BY term_id ORDER BY sum DESC LIMIT 0, $limit";
$terms = $wpdb->get_results($sql);
return $terms;
}
function getRecentTagNameLinks($limit, $days)
{
$res=array();
$terms=$this->getRecentTags($limit, $days);
foreach ($terms as $term)
{
$res[] = array(
"id"=>$term->term_id,
"name"=>$term->name,
"link"=>clean_url(get_tag_link($term->term_id)),
"sum"=>$term->sum
);
}
return $res;
}
function cmplp($a, $b)
{
return strcmp($a["name"], $b["name"]);
}
function getRecentTagCloud($limit, $days, $levelcount)
{
$lpterms=$this->getRecentTagNameLinks($limit, $days);
$lpsize=sizeof($lpterms);
$lpStep=floor($lpsize/$levelcount);
$lpfp=0;
$lplevel=$levelcount;
$minsum=intval($lpterms[$lpsize-1]['sum'])-1;
$maxsum=intval($lpterms[0]['sum']);
foreach ($lpterms as $key => $lpterm)
{
$lpterms[$key]['slevel']=ceil(((floatval($lpterm['sum']))-$minsum)/($maxsum-$minsum)*$levelcount);
$lpterms[$key]['level']=$lplevel;
$lpfp++;
if($lpfp == $lpStep)
{
$lplevel--;
$lpfp=0;
}
}
usort($lpterms, array(&$this, 'cmplp'));
return $lpterms;
}
function cleartagstat($days)
{
global $wpdb;
$mday =date("Ymd", mktime(0, 0, 0, date("m") , date("d")-$days, date("Y")));
$sql = "delete FROM $this->wptTable WHERE inc_date < '$mday' ";
return $wpdb->query($sql);
}
function getRecentPostDate($num)
{
global $wpdb, $tableposts;
$q = "SELECT post_date FROM $tableposts WHERE post_status = 'publish' AND post_type = 'post' ORDER BY post_date DESC limit $num, 1";
$res= $wpdb->get_results($q);
return $res[0];
}
function getTagsInRecentPosts($num)
{
global $wpdb, $tableposts;
$q = "SELECT ID, post_date FROM $tableposts WHERE post_status = 'publish' AND post_type = 'post' ORDER BY post_date DESC limit $num";
$res= $wpdb->get_results($q);
$termIdArr=array();
foreach ($res as $post)
{
$tags = get_the_tags($post->ID);
if ($tags && is_array($tags))
{
foreach ($tags as $tag)
{
$termIdArr[]= array(
"term_id"=>$tag->term_id,
"date"=>$post->post_date
);
}
}
}
return $termIdArr;
}
}
endif;
$recentTags= & new RecentTags();
register_activation_hook(__File__, array($recentTags,"install"));
?>