253 lines
7.9 KiB
PHP
253 lines
7.9 KiB
PHP
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<?php
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/*
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Plugin Name: Sidebar Generator
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Plugin URI: http://www.getson.info
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Description: This plugin generates as many sidebars as you need. Then allows you to place them on any page you wish. Version 1.1 now supports themes with multiple sidebars.
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Version: 1.1.0
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Author: Kyle Getson
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Author URI: http://www.kylegetson.com
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Copyright (C) 2009 Kyle Robert Getson
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*/
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/*
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Copyright (C) 2009 Kyle Robert Getson, kylegetson.com and getson.info
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class sidebar_generator {
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function sidebar_generator(){
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add_action('init',array('sidebar_generator','init'));
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add_action('admin_menu',array('sidebar_generator','admin_menu'));
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add_action('admin_print_scripts', array('sidebar_generator','admin_print_scripts'));
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add_action('wp_ajax_add_sidebar', array('sidebar_generator','add_sidebar') );
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add_action('wp_ajax_remove_sidebar', array('sidebar_generator','remove_sidebar') );
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}
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function init(){
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//go through each sidebar and register it
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$sidebars = sidebar_generator::get_sidebars();
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if(is_array($sidebars)){
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foreach($sidebars as $sidebar){
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$sidebar_class = sidebar_generator::name_to_class($sidebar);
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register_sidebar(array(
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'name'=>$sidebar,
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'before_widget' => '<aside class="widget '.$sidebar_class.'" id="%1$s">',
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'after_widget' => '</aside>',
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'before_title' => '<div class="widget-title-container"><h3 class="widget-title">',
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'after_title' => '</h3></div>',
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));
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}
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}
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}
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function admin_print_scripts(){
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wp_print_scripts( array( 'sack' ));
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?>
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<script>
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function add_sidebar( sidebar_name )
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{
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var mysack = new sack("<?php echo site_url(); ?>/wp-admin/admin-ajax.php" );
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mysack.execute = 1;
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mysack.method = 'POST';
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mysack.setVar( "action", "add_sidebar" );
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mysack.setVar( "sidebar_name", sidebar_name );
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mysack.encVar( "cookie", document.cookie, false );
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mysack.onError = function() { alert('Ajax error. Cannot add sidebar' )};
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mysack.runAJAX();
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return true;
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}
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function remove_sidebar( sidebar_name,num )
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{
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var mysack = new sack("<?php echo site_url(); ?>/wp-admin/admin-ajax.php" );
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mysack.execute = 1;
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mysack.method = 'POST';
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mysack.setVar( "action", "remove_sidebar" );
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mysack.setVar( "sidebar_name", sidebar_name );
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mysack.setVar( "row_number", num );
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mysack.encVar( "cookie", document.cookie, false );
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mysack.onError = function() { alert('Ajax error. Cannot add sidebar' )};
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mysack.runAJAX();
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//alert('hi!:::'+sidebar_name);
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return true;
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}
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</script>
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<?php
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}
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function add_sidebar(){
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$sidebars = sidebar_generator::get_sidebars();
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$name = str_replace(array("\n","\r","\t"),'',$_POST['sidebar_name']);
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$id = sidebar_generator::name_to_class($name);
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if(isset($sidebars[$id])){
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die("alert('Sidebar already exists, please use a different name.')");
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}
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$sidebars[$id] = $name;
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sidebar_generator::update_sidebars($sidebars);
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$js = "
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var tbl = document.getElementById('sbg_table');
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var lastRow = tbl.rows.length;
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// if there's no header row in the table, then iteration = lastRow + 1
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var iteration = lastRow;
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var row = tbl.insertRow(lastRow);
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// left cell
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var cellLeft = row.insertCell(0);
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var textNode = document.createTextNode('$name');
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cellLeft.appendChild(textNode);
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//middle cell
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var cellLeft = row.insertCell(1);
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var textNode = document.createTextNode('$id');
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cellLeft.appendChild(textNode);
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//var cellLeft = row.insertCell(2);
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//var textNode = document.createTextNode('[<a href=\'javascript:void(0);\' onclick=\'return remove_sidebar_link($name);\'>Remove</a>]');
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//cellLeft.appendChild(textNode)
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var cellLeft = row.insertCell(2);
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removeLink = document.createElement('a');
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linkText = document.createTextNode('remove');
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removeLink.setAttribute('onclick', 'remove_sidebar_link(\'$name\')');
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removeLink.setAttribute('href', 'javacript:void(0)');
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removeLink.appendChild(linkText);
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cellLeft.appendChild(removeLink);
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";
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die( "$js");
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}
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function remove_sidebar(){
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$sidebars = sidebar_generator::get_sidebars();
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$name = str_replace(array("\n","\r","\t"),'',$_POST['sidebar_name']);
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$id = sidebar_generator::name_to_class($name);
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if(!isset($sidebars[$id])){
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die("alert('Sidebar does not exist.')");
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}
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$row_number = $_POST['row_number'];
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unset($sidebars[$id]);
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sidebar_generator::update_sidebars($sidebars);
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$js = "
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var tbl = document.getElementById('sbg_table');
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tbl.deleteRow($row_number)
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";
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die($js);
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}
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function admin_menu(){
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add_theme_page('Sidebars', 'Sidebars', 'manage_options', 'multiple_sidebars', array('sidebar_generator','admin_page'));
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}
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function admin_page(){
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?>
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<script>
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function remove_sidebar_link(name,num){
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answer = confirm("Are you sure you want to remove " + name + "?\nThis will remove any widgets you have assigned to this sidebar.");
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if(answer){
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//alert('AJAX REMOVE');
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remove_sidebar(name,num);
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}else{
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return false;
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}
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}
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function add_sidebar_link(){
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var sidebar_name = prompt("Sidebar Name:","");
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//alert(sidebar_name);
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add_sidebar(sidebar_name);
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}
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</script>
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<div class="wrap">
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<h2>Sidebar Generator</h2>
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<p>
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The sidebar name is for your use only. It will not be visible to any of your visitors.
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A CSS class is assigned to each of your sidebar, use this styling to customize the sidebars.
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</p>
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<br />
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<div class="add_sidebar">
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<a href="javascript:void(0);" onclick="return add_sidebar_link()" title="Add a sidebar">+ Add Sidebar</a>
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</div>
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<br />
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<table class="widefat page" id="sbg_table" style="width:600px;">
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<tr>
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<th>Name</th>
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<th>CSS class</th>
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<th>Remove</th>
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</tr>
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<?php
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$sidebars = sidebar_generator::get_sidebars();
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//$sidebars = array('bob','john','mike','asdf');
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if(is_array($sidebars) && !empty($sidebars)){
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$cnt=0;
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foreach($sidebars as $sidebar){
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$alt = ($cnt%2 == 0 ? 'alternate' : '');
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?>
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<tr class="<?php echo $alt?>">
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<td><?php echo $sidebar; ?></td>
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<td><?php echo sidebar_generator::name_to_class($sidebar); ?></td>
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<td><a href="javascript:void(0);" onclick="return remove_sidebar_link('<?php echo $sidebar; ?>',<?php echo $cnt+1; ?>);" title="Remove this sidebar">remove</a></td>
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</tr>
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<?php
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$cnt++;
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}
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}else{
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?>
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<tr>
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<td colspan="3">No Sidebars defined</td>
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</tr>
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<?php
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}
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?>
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</table>
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</div>
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<?php
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}
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/**
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* replaces array of sidebar names
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*/
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function update_sidebars($sidebar_array){
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$sidebars = update_option('sbg_sidebars',$sidebar_array);
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}
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/**
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* gets the generated sidebars
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*/
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function get_sidebars(){
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$sidebars = get_option('sbg_sidebars');
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return $sidebars;
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}
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function name_to_class($name){
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$class = str_replace(array(' ',',','.','"',"'",'/',"\\",'+','=',')','(','*','&','^','%','$','#','@','!','~','`','<','>','?','[',']','{','}','|',':',),'',$name);
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return $class;
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}
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}
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new sidebar_generator;
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?>
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