WordPress/wp-admin/options-permalink.php

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<?php
require_once('admin.php');
$title = __('Permalink Options');
$parent_file = 'options-general.php';
include('admin-header.php');
$home_path = get_home_path();
if ( isset($_POST) ) {
if ( isset($_POST['permalink_structure']) ) {
$permalink_structure = $_POST['permalink_structure'];
if (! empty($permalink_structure) )
$permalink_structure = preg_replace('#/+#', '/', '/' . $_POST['permalink_structure']);
$wp_rewrite->set_permalink_structure($permalink_structure);
}
if ( isset($_POST['category_base']) ) {
$category_base = $_POST['category_base'];
if (! empty($category_base) )
$category_base = preg_replace('#/+#', '/', '/' . $_POST['category_base']);
$wp_rewrite->set_category_base($category_base);
}
}
$permalink_structure = get_settings('permalink_structure');
$category_base = get_settings('category_base');
generate_page_rewrite_rules();
if ( (!file_exists($home_path.'.htaccess') && is_writable($home_path)) || is_writable($home_path.'.htaccess') )
$writable = true;
else
$writable = false;
if ($wp_rewrite->using_index_permalinks())
$usingpi = true;
else
$usingpi = false;
save_mod_rewrite_rules();
?>
<?php if (isset($_POST['submit'])) : ?>
<div class="updated"><p><?php _e('Permalink structure updated.'); ?></p></div>
<?php endif; ?>
<div class="wrap">
<h2><?php _e('Edit Permalink Structure') ?></h2>
<p><?php _e('By default WordPress uses web URIs which have question marks and lots of numbers in them, however WordPress offers you the ability to create a custom URI structure for your permalinks and archives. This can improve the aesthetics, usability, and longevity of your links. A <a href="http://codex.wordpress.org/Using_Permalinks">number of tags are available</a>, and here are some examples to get you started.'); ?></p>
<?php if ($is_apache) : ?>
<dl>
<dt><?php _e('Structure'); ?>: <code>/%year%/%monthnum%/%day%/%postname%/</code></dt>
<strong>
<dd><?php _e('Result'); ?>: <code><?php echo get_settings('home') . '/' . date('Y') . '/' . date('m') . '/' . date('d') . '/sample-post/'; ?></code></dd>
</strong>
<dt><?php _e('Structure'); ?>: <code>/archives/%post_id%</code></dt>
<strong>
<dd><?php _e('Result'); ?>: <code><?php echo get_settings('home'); ?>/archives/123</code></dd>
</strong>
<dt></dt>
</dl>
<p><?php _e('For the above to work you must have something called <code>mod_rewrite</code> installed on your server. (Ask your host.) If that isn&#8217;t available, you can prefix the structure with <code>/index.php/</code> . This is the recommend method if you are on any web server but Apache.'); ?></p>
<?php else : ?>
<dl>
<dt><?php _e('Structure'); ?>: <code>/index.php/%year%/%monthnum%/%day%/%postname%/</code></dt>
<strong>
<dd><?php _e('Result'); ?>: <code><?php echo get_settings('home') . '/index.php/' . date('Y') . '/' . date('m') . '/' . date('d') . '/sample-post/'; ?></code></dd>
</strong>
<dt><?php _e('Structure'); ?>: <code>/index.php/archives/%post_id%</code></dt>
<strong>
<dd><?php _e('Result'); ?>: <code><?php echo get_settings('home'); ?>/index.php/archives/123</code></dd>
</strong>
<dt></dt>
</dl>
<?php endif; ?>
<form name="form" action="options-permalink.php" method="post">
<p><?php _e('Use the template tags above to create a virtual site structure:') ?></p>
<p>
<?php _e('Structure'); ?>: <input name="permalink_structure" type="text" class="code" style="width: 60%;" value="<?php echo $permalink_structure; ?>" size="50" />
</p>
<p><?php _e('If you like, you may enter a custom prefix for your category URIs here. For example, <code>/taxonomy/categorias</code> would make your category links like <code>http://example.org/taxonomy/categorias/general/</code>. If you leave this blank the default will be used.') ?></p>
<p>
<?php _e('Category base'); ?>: <input name="category_base" type="text" class="code" value="<?php echo $category_base; ?>" size="30" />
</p>
<p class="submit">
<input type="submit" name="submit" value="<?php _e('Update Permalink Structure &raquo;') ?>" />
</p>
</form>
<?php if ( $permalink_structure && !$usingpi && !$writable ) : ?>
<p><?php _e('If your <code>.htaccess</code> was <a href="http://codex.wordpress.org/Make_a_Directory_Writable">writable</a> we could do this automatically, but it isn&#8217;t so these are the mod_rewrite rules you should have in your <code>.htaccess</code> file. Click in the field and press <kbd>CTRL + a</kbd> to select all.') ?></p>
<form action="options-permalink.php" method="post">
<p>
<textarea rows="5" style="width: 98%;" name="rules"><?php echo $wp_rewrite->mod_rewrite_rules(); ?>
</textarea>
</p>
</form>
<?php endif; ?>
</div>
<?php require('./admin-footer.php'); ?>