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Pneumonic
(@pneumonic)

14 years, 10 months ago
Basically I wanted to have an excerpt of each post displayed in a page, so I wrote a little code and inserted it into the catlist.php and added a function to the functions.php of my theme (although you could put it into this file as well – but I use it elsewhere so it made sense there). So here goes:

find the part where it starts talking about “// filter the content of a page ” and then go down to where it says:
```
foreach ($matches[1] as $key =>$v0) {
	$catposts = get_posts('category='.$v0."&numberposts=".$limit);
			foreach($catposts as $single):
```
Now we’re basically going to get rid of what it says in $output and replace it with a 150 character (non-word destructive) excerpt. So delete what it says there and replace it with this:
```
$single_post_content = $single->post_content;
$maxlength = 150;
$excerpt = substr_replace($single_post_content, "", 0, $maxlength);
$output .= "<li><a href='".get_permalink($single->ID)."'>".$single->post_title."</a></li><p>". $excerpt ."</p>";
```
Now the beauty of this is if you want to have it be a 500 word excerpt all you do is change the value of $maxlength and that’s that! Now after you update your file you need to go into your functions.php in your theme folder (or you can paste this at the top of your catlist.php file after the comments, whatever you wanna do – although I guarantee nothing if you choose the latter) and add the following code:
```
function neat_trim($str, $n, $delim='...') {
$str = str_replace("\n","",$str);
$str = strip_tags($str);
  $len = strlen($str);
   if ($len > $n) {
       preg_match('/(.{' . $n . '}.*?)\b/', $str, $matches);
       return rtrim($matches[1]) . $delim;
   }
   else {
       return $str;
   }
}
```
I got that code from here so I take no credit for it, I just use it because it works. Now save your functions.php file and that’s that!

To note, it does strip out ANY formatting from the post, so if you have images, they will not show up. The reason I left it like this is because it counts the actual characters INCLUDING html markup, which makes it hard to determine what you’re actually going to get when you do that.

Hope this helps someone. I tried to contact the guys who made this, but their website is broken as hell and their forums are down as well.

https://www.ads-software.com/extend/plugins/page2cat/

Viewing 7 replies - 1 through 7 (of 7 total)

Thread Starter

(@pneumonic)

I apologize, I screwed up. The file you modify is page2cat.php not catlist.php (that was what I named my local file, der). Also, if you’d like to have it display the full contents of your post here’s how:

replace this:

$excerpt = neat_trim($single_post_content, 500);

with this:

$excerpt = $single_post_content;

and delete this:

$excerpt .= "<a href='".get_permalink($single->ID)."'>more</a>";

Now you’ve got a page that outputs everything on it with no hassles. ?? Enjoy.

Thread Starter

Pneumonic

(@pneumonic)

14 years, 10 months ago

Alright. So after a bit of tinkering, I’ve actually got it so you can now choose whether you want to include excerpts or full posts within the admin page for the plugin. You can choose one or the other but not both. Right now the default length for excerpts is 500 characters, but I’ll add an option for that to be configurable later. So basically all you need to do is copy this script and paste it over your current page2cat.php file. To do that, just go to plugins -> editor. Next go to Select plugin to edit and choose Category Page and click select. It’ll bring up your page2cat.php file in the editor. Click inside it and then hit ctrl+a (cmd+a) and then hit ctrl+v(cmd+v) and then click update file. It contains all the same functionality of the previous plugin, but adds in the option for excerpts and full posts.

<?php
/*
Plugin Name: Category Page
Plugin URI: https://pixline.net/wordpress-plugins/category-page-wordpress-plugin/en/
Description: Use pages as category archive header, or list some posts from a category into a post/page.
Author: Pixline
Version: 2.5
Author URI: https://pixline.net/

Copyright (C) 2008 Paolo Tresso / Pixline (https://pixline.net/)

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

Revisions for excerpts and full posts done by John P. Neumann ([email protected])

List of Revisions

* added 2 rows to the database named p2c_post_settings and p2c_excerpt_settings
* added options to admin page for posts and excerpts
* added code for both posts and settings to be available (although not at the same time)
* added additional code for settings to be available
* added the functionality
* added code to disable both excerpts and posts if they are both checked since that would be stupid

*/
if(preg_match('#' . basename(__FILE__) . '#', $_SERVER['PHP_SELF'])) { die('You are not allowed to call this page directly.'); }

define("PAGE2CAT_VERSION","2.5");
define("PLUGIN_PATH",get_bloginfo('url')."/wp-content/plugins/page2cat/");

define('PIXLINE_FOOTER','<p><hr style="margin-top:50px;height:1px;background:#CCC;border:0px;clear:both;" />
<strong>
<a href="https://pixline.net/wordpress-plugins/category-page-wordpress-plugin/en/">Category Page</a></strong> plugin
<small> |
<a href="https://talks.pixline.net/forum.php?id=3">Support Forum</a> |
GPL2&copy; &ge; 2007 <a href="https://pixline.net/about/en/">Paolo Tresso / Pixline</a> |
If you like this plugin, support its development with a <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=paolo%40pixline%2enet&item_name=Support%20to%20opensource%20projects%20at%20Pixline&no_shipping=1&cn=Something%20to%20say%3f&tax=0&currency_code=EUR&lc=IT&bn=PP%2dDonationsBF&charset=UTF%2d8">small donation</a>.</p>');

$wpdb->page2cat	= $table_prefix . 'page2cat';

######################################################
# check version. #
######################################################

$p2c_version = get_option('pixline_page2cat_version');
	register_activation_hook(__FILE__, 'page2cat_install');

// DB installation. usually happen just one time.
function page2cat_install(){
global $wpdb, $p2c_version;

if ($version < 6):
	$query = "
	CREATE TABLE  <code>&quot;.$wpdb->prefix.&quot;page2cat</code> (
	 <code>rel_ID</code> BIGINT NOT NULL AUTO_INCREMENT ,
	 <code>page_ID</code> BIGINT NOT NULL ,
	 <code>cat_ID</code> BIGINT NOT NULL ,
	PRIMARY KEY (  <code>rel_ID</code> ) ,
	INDEX (  <code>page_ID</code> ,  <code>cat_ID</code> )
	);
	";

	if(is_file(ABSPATH . 'wp-admin/includes/upgrade.php')){
		require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
	}elseif(is_file(ABSPATH . 'wp-admin/upgrade-functions.php')){
		require_once(ABSPATH . 'wp-admin/upgrade-functions.php');
	}

	if($wpdb->get_var("SHOW TABLES LIKE '".$wpdb->prefix."page2cat'") != $wpdb->prefix."page2cat") {
	dbDelta($query);
	delete_option('pixline_page2cat_version');
	add_option('pixline_page2cat_version', 6);
	}

update_option('p2c_use_empty','false');
update_option('p2c_show_used_pages','false');
update_option('p2c_catlist_limit',5);
update_option('p2c_catlist_title','');
update_option('p2c_excerpt_settings','');
update_option('p2c_post_settings','');
endif;

delete_option('p2c_use_img');		// deprecated, so we're going to delete it anyway.
if( !get_option('p2c_use_empty')) 		update_option('p2c_use_empty','false');
if(!get_option('p2c_show_used_pages')) 	update_option('p2c_show_used_pages','false');
if(!get_option('p2c_catlist_limit')) 	update_option('p2c_catlist_limit',5);
if(!get_option('p2c_catlist_title')) 	update_option('p2c_catlist_title','');
}
if(!get_option('p2c_excerpt_settings')) update_option('p2c_excerpt_settings','');
if(!get_option('p2c_post_settings')) update_option('p2c_post_settings','');

######################################
# setup management and option panels #
######################################

// adds a panel under "manage ? category pages"
// shows actual connections, and allow creations of new ones.
function page2cat_manage_page(){
global $wpdb, $wp_db_version;

	#print_r($_POST); #die();

	// multiple delete
	if( isset($_POST['deleteit']) && !empty($_POST['p2c_reldel'])):
		foreach($_POST['p2c_reldel'] as $key=>$id):
			$query = "DELETE FROM {$wpdb->page2cat} WHERE rel_ID = '".$id."' LIMIT 1;";
			$daje = $wpdb->get_results($query);
		endforeach;
	echo '<div id="message" class="updated fade">
			<p><strong>Some connections deleted.</strong></p></div>';
	endif;

	// multiple link
	if( isset($_POST['action']) && $_POST['p2c_linkto'] == true && $_POST['multipageid'] != ""):
#	print_r($_POST);
		$pageid = $_POST['multipageid'][0];
		foreach($_POST['p2c_reladd'] as $key=>$id):
		if(trim($id)!=""):
			$query = "INSERT INTO {$wpdb->page2cat} (rel_ID, page_ID, cat_ID) VALUES ('', '".$pageid."', '".$id."');";
			$daje = $wpdb->get_results($query);
		endif;
		endforeach;
		echo '<div id="message" class="updated fade">
			<p><strong>Connections created.</strong></p></div>';

	elseif( isset($_POST['action']) && $_POST['p2c_update'] == true):
#	print_r($_POST); die();
		$pageid = $_POST['pageid'];
		foreach($pageid as $cat_id=>$page_id):
			if(trim($page_id) != ""):
			$sql = "INSERT INTO {$wpdb->page2cat} (rel_ID, page_ID, cat_ID) VALUES ('', '".$page_id."', '".$cat_id."');";
			$result = $wpdb->get_results($sql);
			endif;
		endforeach;
		echo('<div id="message" class="updated fade">
		<p><strong>New Category Page created succesfully.</strong></p></div>');
	endif;

	// single delete, confirm request
	if( isset($_REQUEST['p2cdel']) && !isset($_REQUEST['p2c_confirm']) ):
		$relid = $wpdb->escape($_REQUEST['p2cdel']);
		echo "<div class='wrap'><h2>Delete this Category &rsaquo; Page relation?</h2>";
		$opt = $wpdb->get_results("SELECT * FROM {$wpdb->page2cat} WHERE rel_ID = '".$relid."' LIMIT 1;");
		$catid = $opt[0]->cat_ID;
		$pageid = $opt[0]->page_ID;
		$catname = get_cat_name($catid);
		$page = get_page($pageid);
		$title = $page->post_title;
		echo "<form name='p2c_confirm' method='post'>";
		echo "<p>You are going to delete the relationship between
		Category <em>".$catname."</em> and Page <em>".$title."</em>. Confirm?</p>";
		echo '<p>
		<input type="hidden" name="p2cdel" value="'.$relid.'" />
		<input type="hidden" name="p2c_confirm" value="true" />
		<input type="reset" name="revert" value="Cancel" />
		<input type="submit" name="confirm" value="DELETE &raquo;" />
		</p></form>';
		echo "</div>";
	endif;

	// confirmed, so delete this connection
	if( isset($_REQUEST['p2cdel']) && $_REQUEST['p2c_confirm'] == 'true'):
	$relid = $wpdb->escape($_REQUEST['p2cdel']);
	$myopts = $wpdb->get_results("DELETE FROM {$wpdb->page2cat} WHERE rel_ID = '".$relid."' LIMIT 1;");
	echo('<div id="message" class="updated fade"><p><strong>You have succesfully deleted a connection.</strong></p></div>');
	echo "<div class='wrap'><a href='edit.php?page=category-pages'>Back to Category Pages manage page</a></div>";
	endif;

	/*
		real pages
	*/
	$count_used = $wpdb->get_var("SELECT count(*) FROM {$wpdb->page2cat};");

	if($wp_db_version >= 6124):	// this is WordPress >= 2.3
	$count_full = $wpdb->get_var("SELECT count(*)
		FROM {$wpdb->terms} AS t LEFT JOIN {$wpdb->term_taxonomy} AS tt
		ON t.term_id = tt.term_id WHERE tt.taxonomy='category';");

	$count_noempty = $wpdb->get_var("SELECT count(*)
		FROM {$wpdb->terms} AS t LEFT JOIN {$wpdb->term_taxonomy} AS tt
		ON t.term_id = tt.term_id WHERE tt.taxonomy='category' AND tt.count != '0';");
	else: // WP < 2.3
	$count_full = $wpdb->get_var("SELECT count(*) FROM {$wpdb->categories};");
	$count_noempty = $wpdb->get_var("SELECT count(*) FROM {$wpdb->categories}; WHERE category_count != '0';");
	endif;

	$count_free = $count_full - $count_used;
	if(get_option('p2c_use_empty') == "false"): $count_usable = $count_noempty - $count_used; else : $count_usable = $count_free; endif;

	// this is the already connected page

	$myopts = $wpdb->get_results("SELECT * FROM {$wpdb->page2cat} ORDER BY page_ID ASC;");
	$usedcats = array();
	$usedpages = array();

		if($_REQUEST['view'] == 'new'):
			$css1 = ''; 	$css2 = ' class="current"';
			$pagetitle = "<small>New connection</small>";
		else:
			$css1 = ' class="current"'; $css2 = '';
			$pagetitle = "<small>Manage connections</small>";
		endif;

	if( !isset($_REQUEST['p2cdel'])):
		echo "<div class='wrap'><h2>Category Pages</h2>";
		echo '<ul class="subsubsub">
		<li><a href="edit.php?page=category-pages"'.$css1.'>Manage connections ('.$count_used.')</a> |</li>
		<li><a href="edit.php?page=category-pages&view=new"'.$css2.'>Free categories ('.$count_usable.'/'.$count_free.')</a></li>
		</ul>';

if($_REQUEST['view'] != 'new'):

		if(count($myopts) != 0):
#		echo "<div><p>These categories and these pages are already connected each other. You can view the category page in your website, clicking on the Category name. You can also edit or delete each connection.</p>";

		echo "<div class='tablenav'>";
		echo "<div class='tablenav-pages'>&nbsp;</div>";
		echo '<div style="float: left">
			<form id="p2c_del" name="p2c_del" method="post"/>
			<input type="hidden" name="page" value="category-pages" />
			<input type="hidden" name="view" value="'.$_REQUEST['view'].'" />
			<input type="hidden" name="action" value="p2c_del" />
			<input type="submit" value="Delete Checked" name="deleteit" class="button-secondary delete" />
			</div>';
		echo "<br style='clear:both;' />";
		echo "</div>";

		echo "<br style='clear:both;' />";
		echo '
			';
		echo "<table class='widefat'>";
			echo "<thead>";
			echo "<tr>
				<th>";
			if($wp_db_version >= 7098): echo "<input type='checkbox' onclick='checkAll(document.getElementById(\"p2c_del\"));' />" ;
				else: echo "&nbsp;"; endif;
			echo "</th>
			<th>Host <strong>Category</strong></th>
			<th>Header <strong>Page</strong></th>
			<th>&nbsp;</th>
			</tr>";
			echo "</thead><tbody>";
		foreach($myopts as $opt):
			$catid = $opt->cat_ID;
			$pageid = $opt->page_ID;
			$catname = get_cat_name($catid);
			$usedcats[] = $catid;
			$usedpages[] = $pageid;
			$page = get_page($pageid);
			$title = $page->post_title;

		echo "<tr>
			<td><input type='checkbox' value='".$opt->rel_ID."' name='p2c_reldel[]' class='p2cbox' /></td>
			<td><strong><a href='../?cat=".$catid."' title='View this Category Page in your website.'>".$catname."</a></strong>
				<!-- (cat #".$catid.") --></td>
			<td><strong><a href='page.php?action=edit&post=".$pageid."' title='Edit this page.'>".$title."
				<!-- (page #".$pageid.") --></td>
			<td><a href='?page=category-pages&p2cdel=".$opt->rel_ID."' class='delete' title='Delete this connection permanently.'>Delete</a></td>
			</tr>";
		endforeach;

		echo "</tbody>";
		echo "</table>";

		echo "<div class='tablenav'>";
		echo "<div class='tablenav-pages'>&nbsp;</div>";
		echo '<div style="float: left">
			<form name="p2c_del" method="post"/>
			<input type="hidden" name="page" value="category-pages" />
			<input type="hidden" name="view" value="'.$_REQUEST['view'].'" />
			<input type="hidden" name="action" value="p2c_del" />
			<input type="submit" value="Delete Checked" name="deleteit" class="button-secondary delete" />
			</form>
			</div>';
		echo "<br style='clear:both;' />";
		echo "</div>";

		else:

		echo "<p>Sorry, no Category &raquo; Page connection available (yet). Maybe you want to <a href='edit.php?page=category-pages&view=new'>create some new connections</a>?</p>";
		endif;

else:
// this is the 'new' page

		$usedcats = $wpdb->get_col("SELECT cat_ID FROM {$wpdb->page2cat};");
#		print_r($usedcats);
		$opt3 = get_option('p2c_use_empty');
		if($opt3 == "true"): $empty = false; $excats = ""; elseif($opt3 == "false"): $empty = true; $excats = implode(',',$usedcats); endif;

		$catdef = array('type' => 'post', 'child_of' => 0, 'orderby' => 'name', 'order' => 'ASC',
		'hide_empty' => $empty, 'include_last_update_time' => false, 'hierarchical' => true,
		'exclude' => $excats, 'include' => '', 'number' => '', 'pad_counts' => true);
		$others = get_categories($catdef);

		$used = count($usedcats);
		$count = count($others);

		if( $count == 0):
		echo "<p>Sorry, you don't have any usable category (or there are some, but empty; <a href='options-general.php?page=category-page-options'>check your settings</a>).</p>";
		else:
#		echo "<h3>New connections</h3>";
#		echo "<div><p>These categories aren't connected with any page. Here you can setup a connection with an existent page, or create a brand new one.</p>";

		echo "<form id='page2cat_manage' name='page2cat_manage' method='post'>";
		$pages_already_used = implode(',',$usedpages);
		if(get_option('p2c_show_used_pages')=='true') $exclude = $pages_already_used; else $exclude ="";

		// wp_dropdown_pages settings (for both boxes in this page)
		$pre_ddprefs = array('depth' => 0, 'child_of' => 0, 'selected' => 0,
			'echo' => 0,'name' => 'multipageid[]', 'exclude' => $exclude,
			'show_option_none' => '(none)');

/*
		echo "<div class='tablenav'>";
		echo "<div class='tablenav-pages'>
			<input type='submit' name='p2c_update' value='Update Category Pages' class='button'/>
			<br style='clear:both;' />
			</div>";
		echo '<div style="float:left;">
			<input type="hidden" name="page" value="category-pages" />
			<input type="hidden" name="view" value="'.$_REQUEST['view'].'" />
			<input type="hidden" name="action" value="p2c_multilink" />
			Link checked to:
			'.wp_dropdown_pages($pre_ddprefs).'
			<input type="submit" value="Link them!" name="p2c_linkto" class="button-secondary" />
			</div>';
		echo "<br style='clear:both;'/>&nbsp;<br style='clear:both;' />";
		echo "</div>";
*/
			echo "<table class='widefat'>";
			echo "<thead>";
			echo "<tr>
			<th>";
			if($wp_db_version >= 7098): echo "<input type='checkbox' onclick='checkAll(document.getElementById(\"page2cat_manage\"));' />";
				else: echo "&nbsp;"; endif;
			echo "</th>";
			echo "<th>Host Category</th>
			<th>Choose Page</th>
			<th>Create New Page</th>
			</tr>";
			echo "</thead><tbody>";

			foreach($others as $otro):
			switch($wp_db_version):
			// "7098"=>"2.5",	"6124"=>"2.3.3", "5183"=>"2.2.1", "4773"=>"2.1.3"
				case ( $wp_db_version < 5183 ):	// WP 2.1.3 and smaller
				$versioned_catid = $otro->cat_ID;
				$versioned_catname = $otro->cat_name;
				$versioned_slug = $otro->category_nicename;
				$versioned_count = $otro->category_count + $otro->posts_private;
				break;
				case ( $wp_db_version >= 5183 ):	// WP 2.2.1 and greater
				default:
				$versioned_catid = $otro->term_id;
				$versioned_catname = $otro->name;
				$versioned_slug = $otro->category_nicename;
				$versioned_count = $otro->count;
				break;
			endswitch;

			// wp_dropdown_pages settings
			$ddprefs = array('depth' => 0, 'child_of' => 0, 'selected' => 0,
				'echo' => 0,'name' => 'pageid['.$versioned_catid.']',
				'exclude' => $exclude, 'show_option_none' => '(none)');

			$output = "<tr>
			<td><input type='checkbox' value='".$versioned_catid."' name='p2c_reladd[]' /></td>
			<td>".$versioned_catname." <!-- (".$versioned_count.") --></td>
			<td>".wp_dropdown_pages($ddprefs)."</td>";
			$output .= "<td><a href='page-new.php?p2c=".$versioned_catid."'>Create New</a></td>
			</tr>";

			$stringhe[$versioned_catname] = $output;
			endforeach;

			asort($stringhe);
			reset($stringhe);

			foreach($stringhe as $stringa):
				echo $stringa;
			endforeach;

			echo "</tbody>";
			echo "</table>";

			echo "<div class='tablenav'>";
			echo "<div style='float:right;'>
				<input type='submit' name='p2c_update' value='Update Category Pages' class='button'/>
				</div>";
			echo '<div style="float:left;">
				<input type="hidden" name="page" value="category-pages" />
				<input type="hidden" name="view" value="'.$_REQUEST['view'].'" />
				<input type="hidden" name="action" value="p2c_multilink" />
				Link checked to:
				'.wp_dropdown_pages($pre_ddprefs).'
				<input type="submit" value="Link them!" name="p2c_linkto" class="button-secondary" />
				</div>';
			echo "<br style='clear:both;'/>";
			echo "</div>";
endif;

		echo "</form>";
		endif;
		echo PIXLINE_FOOTER;
		echo "</div>";
	endif;
}

// adds styles in admin head (WP 2.5+)
function page2cat_metabox_styles(){
?>
<style type="text/css" media="screen">
#p2c-scroller{
	width:100%;
}

ul#p2c-bind li, ul#p2c-free li{
	list-style-type:none;
	width:32%;
	float:left;
	font-size:80%;
}

.p2c-cleaner{
	clear:both;
	height:1px;
}
.p2c-used{
	color:#D66;
	text-decoration:line-through;
}
.p2c-catlink{
	color:#000;
	text-decoration:none;
	border-bottom:1px dotted #CCC;
}
</style>
<?php
wp_enqueue_script('admin-forms');
}

// adds styles in admin head (WP < 2.5)
function page2cat_sidebox_styles(){
?>
<style type="text/css" media="screen">
#p2c-scroller{
	height:120px;
	overflow:auto;
	width:90%;
	margin:0% 5%;
}

#p2c-box p{
	margin:0px;
	padding:5px;
	font-size:80%;
}

ul#p2c-bind, ul#p2c-free,
ul#p2c-bind li, ul#p2c-free li{
	margin:0px;
	padding:0px;
	list-style-type:none;
}

ul#p2c-bind{
	font-size:90%;
	margin:1% 0%;
}

ul#p2c-free{
	font-size:80%;
	color:#333;
	margin:2%;
}

ul#p2c-free li{
	padding:2px 1px;
}

.p2c-count{
	color:#AAA;
}

.p2c-indent{
	padding-left:10px;
}

.p2c-used{
	color:#D66;
	text-decoration:line-through;
}

.p2c-catlink{
	color:#000;
	text-decoration:none;
	border-bottom:1px dotted #CCC;
}

</style>
<?php
}

// adds sidebox in page editing (until WP 2.3x)
function page2cat_add_sidebox($post_ID){
?>
<fieldset id="p2c-select" class="dbx-box">
<h3 class="dbx-handle">Category Pages</h3>
<div class="dbx-content" id="p2c-box">
	<?php page2cat_add_meta_box($post_ID);	?>
</div>
</fieldset>
<?php

}

function page2cat_add_meta_box($post_ID){
	global $wpdb, $post_ID, $_REQUEST;
#	if(isset($_REQUEST['p2c'])):
#	endif;

	$mypage = $wpdb->get_results("SELECT * FROM {$wpdb->page2cat} WHERE page_ID = '".$post_ID."';",OBJECT);
	?>
		<p>Use this page as <a href='edit.php?page=category-pages'>Category Page</a> for these categories.</p>
	<?php
	$usedcats = array();
	if(count($mypage)>0):
		echo "<ul id='p2c-bind'>";
		foreach($mypage as $connection):
	#		print_r($connection);
			echo "<li><input type='checkbox' checked='checked' value='".$connection->cat_ID."' name='p2c_bind[]'
			id='p2c".$connection->cat_ID."' /> ".get_cat_name($connection->cat_ID)."</li>
			";
			$usedcats[] = $connection->cat_ID;
		endforeach;
		echo "</ul>";
	endif;

		$opt3 = get_option('p2c_use_empty');
		if($opt3 == "true"): $empty = false; $exclude = "";
		elseif($opt3 == "false"): $empty = true; $exclude = implode(',',$usedcats);
		endif;

	$catdef = array('type' => 'post', 'child_of' => 0, 'orderby' => 'name', 'order' => 'ASC', 'exclude' => $exclude,
					'hide_empty' => $empty, 'include_last_update_time' => false, 'hierarchical' => true, 'pad_counts' => true);

	$others = get_categories($catdef);
	echo "<div id='p2c-scroller'>";
	echo "<ul id='p2c-free'>";
	foreach($others as $cat):
	#print_r($cat); exit();
	if($cat->cat_ID == $_REQUEST['p2c']): $flag = "checked='checked'"; else: $flag = ""; endif;

	$has_page = $wpdb->get_var("SELECT count(*) FROM {$wpdb->page2cat} WHERE cat_ID = '".$cat->cat_ID."'");
	if($has_page == 0):
	echo "<li><input type='checkbox' name='p2c_bind[]' id='p2c".$cat->cat_ID."' value='".$cat->cat_ID."' ".$flag."/> "
	."<a class='p2c-catlink' href='../?cat=".$cat->cat_ID."' title='".get_cat_name($cat->cat_ID)." (".$cat->category_count." items inside).'>".get_cat_name($cat->cat_ID)."</a></li>
	";
	else:
#	echo "<li><input type='checkbox' disabled='disabled' name='p2c_bind[]' id='p2c".$cat->cat_ID."' value='".$cat->cat_ID."'/> <span class='p2c-used'>"
#	.get_cat_name($cat->cat_ID)." </span><span class='p2c-count'>(".$cat->category_count." items)</span></li>
#	";
	$nothing = 0;
	endif;
	endforeach;
	echo "</ul>";
	echo "<br style='clear:both;' />";
	echo "</div>";
	?>
	<?php
}

// trigger page save/edit and make db relations
function page2cat_trigger_save($post_ID){
global $wpdb;

$values = $_POST['p2c_bind'];
$via = "DELETE FROM {$wpdb->page2cat} WHERE page_ID = '".$_POST['post_ID']."'";
$result = $wpdb->get_results($via);
if(count($values) > 0):
foreach($values as $key=>$cat){
	if($_POST['post_ID'] != ""):
	$sql = "INSERT INTO {$wpdb->page2cat} (rel_ID, page_ID, cat_ID) VALUES ('','".$_POST['post_ID']."','".$cat."')";
	$result = $wpdb->get_results($sql);
	endif;
}
endif;
}

// trigger page deletion and free db relations
function page2cat_trigger_delete(){
	// yes, there's no trigger, actually....
}

// add the function for neat_trim
function neat_trim($str, $n, $delim='...') {
$str = str_replace("\n","",$str);
//$str = str_replace("\r",",$str);
$str = strip_tags($str);
  $len = strlen($str);
   if ($len > $n) {
       preg_match('/(.{' . $n . '}.*?)\b/', $str, $matches);
       return rtrim($matches[1]) . $delim;
   }
   else {
       return $str;
   }
}

// filter the content of a page, check for tag and replace it with a list of posts in the requested category.
// function heavily inspired from Alex Rabe NextGen Gallery's nggfunctions.php.
function page2cat_content_catlist($content){
global $post;
$excerpt_settings=get_option('p2c_excerpt_settings');
$post_settings=get_option('p2c_post_settings');

// Show excerpts
if($excerpt_settings == "on")
{
	if ( stristr( $content, '[catlist' )) {
		$search = "@(?:<p>)*\s*\[catlist\s*=\s*(\w+|^\+)\]\s*(?:</p>)*@i";
		if	(preg_match_all($search, $content, $matches)) {
			if (is_array($matches)) {
				$title = get_option('p2c_catlist_title');
				if($title != "") $output = "<h4>".$title."</h4>"; else $output = "";
				$limit = get_option('p2c_catlist_limit');
				foreach ($matches[1] as $key =>$v0) {
					$catposts = get_posts('category='.$v0."&numberposts=".$limit);
						foreach($catposts as $single):
                                                $single_post_content = $single->post_content;
												$excerpt_length = 500;
												$excerpt = neat_trim($single_post_content, $excerpt_length);
												$excerpt .= "<a href='".get_permalink($single->ID)."'>more</a>";
												$output .= "<h2><a href='".get_permalink($single->ID)."'>".$single->post_title."</a></h2><p>". $excerpt ."</p>";
						endforeach;
					$search = $matches[0][$key];
					$replace= $output;
					$content= str_replace ($search, $replace, $content);
				}
			$output .= "";
			}
		}
	}
// Show full posts
}elseif($post_settings == "on")
{
	if ( stristr( $content, '[catlist' )) {
		$search = "@(?:<p>)*\s*\[catlist\s*=\s*(\w+|^\+)\]\s*(?:</p>)*@i";
		if	(preg_match_all($search, $content, $matches)) {
			if (is_array($matches)) {
				$title = get_option('p2c_catlist_title');
				if($title != "") $output = "<h4>".$title."</h4>"; else $output = "";
				$limit = get_option('p2c_catlist_limit');
				foreach ($matches[1] as $key =>$v0) {
					$catposts = get_posts('category='.$v0."&numberposts=".$limit);
						foreach($catposts as $single):
                                                $single_post_content = $single->post_content;
                                                $excerpt = $single_post_content;
						$output .= "<h2><a href='".get_permalink($single->ID)."'>".$single->post_title."</a></h2><p>". $excerpt ."</p>";
						endforeach;
					$search = $matches[0][$key];
					$replace= $output;
					$content= str_replace ($search, $replace, $content);
				}
			$output .= "";
			}
		}
	}
// show just a list
}else
{
	if ( stristr( $content, '[catlist' )) {
		$search = "@(?:<p>)*\s*\[catlist\s*=\s*(\w+|^\+)\]\s*(?:</p>)*@i";
		if	(preg_match_all($search, $content, $matches)) {
			if (is_array($matches)) {
				$title = get_option('p2c_catlist_title');
				if($title != "") $output = "<h4>".$title."</h4>"; else $output = "";
				$output .= "<ul class='p2c_catlist'>";
				$limit = get_option('p2c_catlist_limit');
				foreach ($matches[1] as $key =>$v0) {
					$catposts = get_posts('category='.$v0."&numberposts=".$limit);
						foreach($catposts as $single):
						$output .= "<li><a href='".get_permalink($single->ID)."'>".$single->post_title."</a></li>";
						endforeach;
					$search = $matches[0][$key];
					$replace= $output;
					$content= str_replace ($search, $replace, $content);
				}
			$output .= "</ul>";
			}
		}
	}

}
return $content;
}

// add real option page
function page2cat_options_page(){
global $wpdb, $styles;

$p2c_defaults = array("show_usedpages_yes"=>"","show_usedpages_no"=>"","use_empty_no"=>"", "use_empty_yes"=>"", "catlist_limit"=>"", "catlist_title"=>"");

if(isset($_POST['page2cat_action'])):
#print_r($_POST); #die();
	$sane1 = strip_tags(htmlentities($_POST['p2c_catlist_limit']));
	update_option('p2c_catlist_limit',$sane1);
	$sane4 = strip_tags(htmlentities($_POST['p2c_catlist_title']));
	update_option('p2c_catlist_title',$sane4);
	$sane2 = strip_tags(htmlentities($_POST['p2c_show_used_pages']));
	update_option('p2c_show_used_pages',$sane2);
	$sane3 = strip_tags(htmlentities($_POST['p2c_use_empty']));
	update_option('p2c_use_empty',$sane3);
	$excerpt_settings = !isset($_POST['excerpt_settings'])? 'off': 'on';
	update_option('p2c_excerpt_settings', $excerpt_settings);
	$post_settings = !isset($_POST['post_settings'])? 'off': 'on';
	update_option('p2c_post_settings', $post_settings)? 'off': 'on';
	if($excerpt_settings == $post_settings){
		echo('<div id="message" class="updated fade"><p><strong>ERROR! You cannot have both Excerpts and Posts set! Setting both to off!</strong></p></div');
		update_option('p2c_excerpt_settings', 'off');
		update_option('p2c_post_settings', 'off');
	}else{

	echo('<div id="message" class="updated fade"><p><strong>Settings saved.</strong></p></div>');
}
endif;

$opt3 = get_option('p2c_use_empty');
if($opt3 == "false"){
	$p2c_defaults['use_empty_no'] = ' selected="selected"';
}elseif($opt3 == "true"){
	$p2c_defaults['use_empty_yes'] = ' selected="selected"';
}

$opt2 = get_option('p2c_show_used_pages');
if($opt2 == "false"){
	$p2c_defaults['show_usedpages_no'] = ' selected="selected"';
}elseif($opt2 == "true"){
	$p2c_defaults['show_usedpages_yes'] = ' selected="selected"';
}

$excerpt_settings = (get_option('p2c_excerpt_settings')=='on') ? 'checked':'';
$post_settings = (get_option('p2c_post_settings')=='on') ? 'checked':'';

$p2c_catlist_title = get_option('p2c_catlist_title');

	echo "<div class='wrap'>";
	echo "<h2>Category Page settings</h2>";
	echo "<form method='post' name='page2cat_options' accept-charset='utf-8'>";

	echo '
	<h3>Management settings</h3>
	<p>These settings let you customize your <a href="edit.php?page=category-pages">Category Page management panel</a>.</p>
	<table class="form-table">
	<tr valign="top">
	<th scope="row">Show empty categories</th>
	<td>
	<select name="p2c_use_empty">
	<option value="false"'.$p2c_defaults['use_empty_no'].' label=" No, thanks. "> No, thanks. </option>
	<option value="true"'.$p2c_defaults['use_empty_yes'].' label=" Yes, please! "> Yes, please! </option>
	</select> <small>(Choose whether empty categories are shown or not. )</small>
	</td>
	</tr>

	<tr valign="top">
	<th scope="row">Allow single page sharing</th>
	<td>
	<select name="p2c_show_used_pages">
	<option value="false"'.$p2c_defaults['show_usedpages_no'].' label=" No, thanks. "> No, thanks. </option>
	<option value="true"'.$p2c_defaults['show_usedpages_yes'].' label=" Yes, please! "> Yes, please! </option>
	</select> <small>(You can share a single page with more than a category, if you like.)</small>
	</td>
	</tr>

	</table>

	<h3><code>[catlist]</code> tag settings</h3>
	<p>You can use a <em>[catlist=xx]</em> tag in a post/page to show a list of post from a certain category, replacing <em>xx</em> with the category ID.</p>
	<table class="form-table">
	<tr valign="top">
	<th scope="row">Display at most </th>
	<td>
	<select name="p2c_catlist_limit">';

	$limits = array(1,2,3,4,5,6,7,8,9,10,15,20,25);
	foreach($limits as $limit):
		if(get_option('p2c_catlist_limit') == $limit) $flag = "selected='selected'"; else $flag = "";
		echo "<option value='".$limit."' name='opt".$limit."' ".$flag.">".$limit."</option>";
	endforeach;

	echo '</select> posts.
	</td>
	</tr>

	<tr valign="top">
	<th scope="row">Display list title</th>
	<td><input type="text" name="p2c_catlist_title" value="'.$p2c_catlist_title.'" size="30"/>
	<small>(Leave empty to show a post list without a title.)</small>
	</td>
	</tr>
	</table>

	<h3>Excerpt or Full Post Settings</h3>
	<p>You can choose to display full posts or excerpts only by checking one of the boxes. Do not check both as it will error out. Excerpts will be 500 characters for now until I add in another option for it.</p>
	<table class="form-table">
	<tr valign="top">
	<td><input id="check5" type="checkbox" name="excerpt_settings"'.$excerpt_settings.' />
	<label for="check5">Display only excerpts?</label></td>
	</tr>
	<tr valign="top">
	<td><input id="check6" type="checkbox" name="post_settings"'.$post_settings.' />
	<label for="check6">Display full posts?</label></td>
	</tr>

	</table>

	';	

	echo '<p class="submit">
	<input type="hidden" name="page2cat_action" value="update" />
	<input type="submit" name="update" value="Update Settings" />
	</p>
	</fieldset>';

	echo '</form>';
	echo PIXLINE_FOOTER;
	echo "</div>";
}

// template function for manual hacks and widgets :-)
function page2cat_output($cat, $style = 'getpost', $useimg = 1){
global $wpdb;

	$useimg = get_option('p2c_use_img');
	$mypage = $wpdb->get_row("SELECT * FROM {$wpdb->page2cat} WHERE cat_ID = '".$cat."';",OBJECT);
#	print_r($mypage);
	$pageid = $mypage->page_ID;
	if($pageid != ""):

	switch($style):

	case 'getpost':
	?>
	<div id="category-page-header">
	<?php
	$post = $post_temp;
	$post = get_post($pageid);
	setup_postdata($post);

	if($post->post_title!=""){
				?>
				<div id="p2c-header">
					<h2><?php echo $post->post_title; ?></h2>
					<p><?php the_content(); ?></p>
				</div>
		<div class="category-page-cleaner"></div>
	</div>
	<?php
	$post = $post_temp;
	}
	break;

	case 'widget':
	?>
	<div id="category-widget-header">
	<?php
	$pagina = "SELECT * FROM {$wpdb->posts} WHERE ID='".$pageid."' AND post_type = 'page';";
	$mine = $wpdb->get_results($pagina);
	if($mine[0]->post_title!=""){
				?>
				<div id="p2c-header">
					<!-- h2><?php echo $mine[0]->post_title; ?></h2 -->
					<p><?php echo wptexturize($mine[0]->post_content,1); ?></p>
				</div>
		<div class="category-widget-cleaner"></div>
	</div>
	<?php
	}

	break;
	case 'inline':
	default:
	?>
	<div id="category-page-header">
	<?php
	$pagina = "SELECT * FROM {$wpdb->posts} WHERE ID='".$pageid."' AND post_type = 'page';";
	$mine = $wpdb->get_results($pagina);
	if($mine[0]->post_title!=""){
				?>
				<div id="p2c-header">
					<h2><?php echo $mine[0]->post_title; ?></h2>
					<p><?php echo wptexturize($mine[0]->post_content,1); ?></p>
				</div>
		<div class="category-page-cleaner"></div>
	</div>
	<?php
	}
	break;

	endswitch;

	?>
	<?php
	else:
	echo '<h2 class="pagetitle">Archive for the ‘'.single_cat_title('',false).'’ Category</h2>';
	endif;
}

// adds sidebox in page write/edit
function page2cat_init(){
	if (function_exists('add_meta_box')) {
		add_meta_box('page2cat','Category Page Options', 'page2cat_add_meta_box', 'page');
		add_action('admin_head','page2cat_metabox_styles');
	} else {
		add_action('dbx_page_sidebar', 'page2cat_add_sidebox');
		add_action('admin_head','page2cat_sidebox_styles');
	}
}
// install management and options page
function page2cat_config_page() {
	if ( function_exists('add_submenu_page') && is_admin()):
	add_submenu_page('edit.php', __('Category Pages'), __('Category Pages'), 8, 'category-pages', 'page2cat_manage_page');
	endif;
	if( function_exists('add_options_page') && is_admin()):
	add_options_page('Category Pages options','Category Pages',8,'category-page-options','page2cat_options_page');
	endif;
}

if( is_admin() ):
	if( preg_match('|page-new.php|i', $_SERVER['REQUEST_URI']) ||
		preg_match('|page.php|i', $_SERVER['REQUEST_URI']) ||
		preg_match('|edit.php|i', $_SERVER['REQUEST_URI']) ){
			add_action('admin_menu', 'page2cat_init');
	}
	add_action('admin_menu', 'page2cat_config_page');
	add_action('save_post','page2cat_trigger_save');
endif;

add_filter('the_content','page2cat_content_catlist');	// by popular demand :-)
?>

So that’s the modified code. I tried to contact the developer to submit it all to him, but there’s no way to. Also, if it doesn’t seem to work, deactivate it and then reactivate it. This is basically because the new database entries need to be put in and it may or may not do it when you update the file.

Simple easy, peasy! Any questions just ask!!!

Superhearing

(@superhearing)

14 years, 9 months ago

Hi, just tried this out and it works.
Though its not exactly what im looking for. As it is, it shows the full posts within the page. I would like to be able to show the full posts below the page as if it were the main page with the page as a sticky up top and below it were the categories I choose.

Hope that makes sense :/

vyasritesh

(@vyasritesh)

14 years, 5 months ago

hello i am using page2cat plugin to display post in pages here is code which displays full post content

foreach($catposts as $single):
query_posts(‘cat=’.$v0.’&showposts=’.get_option(‘posts_per_page’));
endforeach;

but i want to display each post’s 100-200 characters and then Read More link to show full post is there any idea for it……

Kenan

(@hodzickenan)

14 years, 2 months ago

hi vyasritesh,
you will find some answers here:
https://categorypageextender.wordpress.com/

Kenan

(@hodzickenan)

14 years, 2 months ago

Pneumonic help!!!

do you know why I can not see more than 19 categories inside admin dashboard “Category Pages”?
It says: Free categories (19/26)
so there is more, but no NEXT button or something…why?
Any help, please.

Thanks

triez

(@triez)

14 years, 1 month ago

hi there,
This is great plugin, thanks!

But I have problem with the plugin, I would like the final result just like this page https://dev.trismedia.com/three-lions/?page_id=74
Two categories in one page, divided into 2 sections

I tried the plugin with the following code in a page
<h2>Latest News</h2>
[catlist=1]

<h2>Latest Events</h2>
[catlist=3]

But the result is https://dev.trismedia.com/three-lions/
I got 1 category duplicated.

Please help, thanks!

Viewing 7 replies - 1 through 7 (of 7 total)

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[Plugin: Category Page] Putting excerpts into pages

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