WordPress/wp-admin/admin-functions.php

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<?php
function url_shorten ($url) {
$short_url = str_replace('http://', '', stripslashes($url));
$short_url = str_replace('www.', '', $short_url);
if ('/' == substr($short_url, -1))
$short_url = substr($short_url, 0, -1);
if (strlen($short_url) > 35)
$short_url = substr($short_url, 0, 32).'...';
return $short_url;
}
function selected($selected, $current) {
if ($selected == $current) echo ' selected="selected"';
}
function checked($checked, $current) {
if ($checked == $current) echo ' checked="checked"';
}
function return_categories_list( $parent = 0, $sortbyname = FALSE )
{
/*
* This function returns an list of all categories
* that have $parent as their parent
* if no parent is specified we will assume top level caegories
* are required.
*/
global $wpdb;
// select sort order
$sort = "cat_id";
if( TRUE == $sortbyname )
{
$sort = "cat_name";
}
// First query the database
$cats_tmp = $wpdb->get_results("SELECT cat_ID FROM $wpdb->categories WHERE category_parent = $parent ORDER BY $sort");
// Now strip this down to a simple array of IDs
$cats = array();
if( count($cats_tmp) > 0 )
{
foreach( $cats_tmp as $cat )
{
$cats[] = $cat->cat_ID;
}
}
// Return the list of categories
return $cats;
}
function get_nested_categories($default = 0, $parent = 0) {
global $post_ID, $mode, $wpdb;
if ($post_ID) {
$checked_categories = $wpdb->get_col("
SELECT category_id
FROM $wpdb->categories, $wpdb->post2cat
WHERE $wpdb->post2cat.category_id = cat_ID AND $wpdb->post2cat.post_id = '$post_ID'
");
if(count($checked_categories) == 0)
{
// No selected categories, strange
$checked_categories[] = $default;
}
} else {
$checked_categories[] = $default;
}
$cats = return_categories_list($parent, TRUE);
$result = array();
foreach($cats as $cat)
{
$result[$cat]['children'] = get_nested_categories($default, $cat);
$result[$cat]['cat_ID'] = $cat;
$result[$cat]['checked'] = in_array($cat, $checked_categories);
$result[$cat]['cat_name'] = get_the_category_by_ID($cat);
}
return $result;
}
function write_nested_categories($categories) {
foreach($categories as $category) {
echo '<label for="category-', $category['cat_ID'], '" class="selectit"><input value="', $category['cat_ID'],
'" type="checkbox" name="post_category[]" id="category-', $category['cat_ID'], '"',
($category['checked'] ? ' checked="checked"' : ""), '/> ', wp_specialchars($category['cat_name']), "</label>\n";
if(isset($category['children'])) {
echo "\n<span class='cat-nest'>\n";
write_nested_categories($category['children']);
echo "</span>\n";
}
}
}
function dropdown_categories($default = 0) {
write_nested_categories(get_nested_categories($default));
}
// Dandy new recursive multiple category stuff.
function cat_rows($parent = 0, $level = 0, $categories = 0) {
global $wpdb, $class, $user_level;
if (!$categories)
$categories = $wpdb->get_results("SELECT * FROM $wpdb->categories ORDER BY cat_name");
if ($categories) {
foreach ($categories as $category) {
if ($category->category_parent == $parent) {
$category->cat_name = wp_specialchars($category->cat_name);
$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $wpdb->post2cat WHERE category_id = $category->cat_ID");
$pad = str_repeat('&#8212; ', $level);
if ( $user_level > 3 )
$edit = "<a href='categories.php?action=edit&amp;cat_ID=$category->cat_ID' class='edit'>" . __('Edit') . "</a></td><td><a href='categories.php?action=delete&amp;cat_ID=$category->cat_ID' onclick=\"return confirm('". sprintf(__("You are about to delete the category \'%s\'. All of its posts will go to the default category.\\n \'OK\' to delete, \'Cancel\' to stop."), addslashes($category->cat_name)) . "')\" class='delete'>" . __('Delete') . "</a>";
else
$edit = '';
$class = ('alternate' == $class) ? '' : 'alternate';
echo "<tr class='$class'><th scope='row'>$category->cat_ID</th><td>$pad $category->cat_name</td>
<td>$category->category_description</td>
<td>$count</td>
<td>$edit</td>
</tr>";
cat_rows($category->cat_ID, $level + 1, $categories);
}
}
} else {
return false;
}
}
function page_rows( $parent = 0, $level = 0, $pages = 0 ) {
global $wpdb, $class, $user_level, $post;
if (!$pages)
$pages = $wpdb->get_results("SELECT * FROM $wpdb->posts WHERE post_status = 'static' ORDER BY menu_order");
if ($pages) {
foreach ($pages as $post) { start_wp();
if ($post->post_parent == $parent) {
$post->post_title = wp_specialchars($post->post_title);
$pad = str_repeat('&#8212; ', $level);
$id = $post->ID;
$class = ('alternate' == $class) ? '' : 'alternate';
?>
<tr class='<?php echo $class; ?>'>
<th scope="row"><?php echo $post->ID; ?></th>
<td>
<?php echo $pad; ?><?php the_title() ?>
</td>
<td><?php the_author() ?></td>
<td><?php echo mysql2date('Y-m-d g:i a', $post->post_modified); ?></td>
<td><a href="<?php the_permalink(); ?>" rel="permalink" class="edit"><?php _e('View'); ?></a></td>
<td><?php if (($user_level > $authordata->user_level) or ($user_login == $authordata->user_login)) { echo "<a href='post.php?action=edit&amp;post=$id' class='edit'>" . __('Edit') . "</a>"; } ?></td>
<td><?php if (($user_level > $authordata->user_level) or ($user_login == $authordata->user_login)) { echo "<a href='post.php?action=delete&amp;post=$id' class='delete' onclick=\"return confirm('" . sprintf(__("You are about to delete this post \'%s\'\\n \'OK\' to delete, \'Cancel\' to stop."), the_title('','',0)) . "')\">" . __('Delete') . "</a>"; } ?></td>
</tr>
<?php
page_rows($id, $level + 1, $pages);
}
}
} else {
return false;
}
}
function wp_dropdown_cats($currentcat = 0, $currentparent = 0, $parent = 0, $level = 0, $categories = 0) {
global $wpdb, $bgcolor;
if (!$categories) {
$categories = $wpdb->get_results("SELECT * FROM $wpdb->categories ORDER BY cat_name");
}
if ($categories) {
foreach ($categories as $category) { if ($currentcat != $category->cat_ID && $parent == $category->category_parent) {
$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $wpdb->post2cat WHERE category_id = $category->cat_ID");
$pad = str_repeat('&#8211; ', $level);
$category->cat_name = wp_specialchars($category->cat_name);
echo "\n\t<option value='$category->cat_ID'";
if ($currentparent == $category->cat_ID)
echo " selected='selected'";
echo ">$pad$category->cat_name</option>";
wp_dropdown_cats($currentcat, $currentparent, $category->cat_ID, $level + 1, $categories);
} }
} else {
return false;
}
}
function wp_create_thumbnail($file, $max_side, $effect = '') {
// 1 = GIF, 2 = JPEG, 3 = PNG
if(file_exists($file)) {
$type = getimagesize($file);
// if the associated function doesn't exist - then it's not
// handle. duh. i hope.
if(!function_exists('imagegif') && $type[2] == 1) {
$error = __('Filetype not supported. Thumbnail not created.');
}elseif(!function_exists('imagejpeg') && $type[2] == 2) {
$error = __('Filetype not supported. Thumbnail not created.');
}elseif(!function_exists('imagepng') && $type[2] == 3) {
$error = __('Filetype not supported. Thumbnail not created.');
} else {
// create the initial copy from the original file
if($type[2] == 1) {
$image = imagecreatefromgif($file);
} elseif($type[2] == 2) {
$image = imagecreatefromjpeg($file);
} elseif($type[2] == 3) {
$image = imagecreatefrompng($file);
}
if (function_exists('imageantialias'))
imageantialias($image, TRUE);
$image_attr = getimagesize($file);
// figure out the longest side
if($image_attr[0] > $image_attr[1]) {
$image_width = $image_attr[0];
$image_height = $image_attr[1];
$image_new_width = $max_side;
$image_ratio = $image_width/$image_new_width;
$image_new_height = $image_height/$image_ratio;
//width is > height
} else {
$image_width = $image_attr[0];
$image_height = $image_attr[1];
$image_new_height = $max_side;
$image_ratio = $image_height/$image_new_height;
$image_new_width = $image_width/$image_ratio;
//height > width
}
$thumbnail = imagecreatetruecolor($image_new_width, $image_new_height);
@imagecopyresampled($thumbnail, $image, 0, 0, 0, 0, $image_new_width, $image_new_height, $image_attr[0], $image_attr[1]);
// move the thumbnail to it's final destination
$path = explode('/', $file);
$thumbpath = substr($file, 0, strrpos($file, '/')) . '/thumb-' . $path[count($path)-1];
if($type[2] == 1) {
if(!imagegif($thumbnail, $thumbpath)) {
$error = __("Thumbnail path invalid");
}
} elseif($type[2] == 2) {
if(!imagejpeg($thumbnail, $thumbpath)) {
$error = __("Thumbnail path invalid");
}
} elseif($type[2] == 3) {
if(!imagepng($thumbnail, $thumbpath)) {
$error = __("Thumbnail path invalid");
}
}
}
}
if(!empty($error))
{
return $error;
}
else
{
return 1;
}
}
// Some postmeta stuff
function has_meta($postid) {
global $wpdb;
return $wpdb->get_results("
SELECT meta_key, meta_value, meta_id, post_id
FROM $wpdb->postmeta
WHERE post_id = '$postid'
ORDER BY meta_key,meta_id",ARRAY_A);
}
function list_meta($meta) {
global $post_ID;
// Exit if no meta
if (!$meta) return;
$count = 0;
?>
<table id='meta-list' cellpadding="3">
<tr>
<th><?php _e('Key') ?></th>
<th><?php _e('Value') ?></th>
<th colspan='2'><?php _e('Action') ?></th>
</tr>
<?php
foreach ($meta as $entry) {
++$count;
if ( $count % 2 ) $style = 'alternate';
else $style = '';
if ( '_' == $entry['meta_key']{0} ) $style .= ' hidden';
echo "
<tr class='$style'>
<td valign='top'><input name='meta[{$entry['meta_id']}][key]' tabindex='6' type='text' size='20' value='{$entry['meta_key']}' /></td>
<td><textarea name='meta[{$entry['meta_id']}][value]' tabindex='6' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>
<td align='center' width='10%'><input name='updatemeta' type='submit' class='updatemeta' tabindex='6' value='" . __('Update') ."' /></td>
<td align='center' width='10%'><input name='deletemeta[{$entry['meta_id']}]' type='submit' class='deletemeta' tabindex='6' value='" . __('Delete') ."' /></td>
</tr>
";
}
echo "
</table>
";
}
// Get a list of previously defined keys
function get_meta_keys() {
global $wpdb;
$keys = $wpdb->get_col("
SELECT meta_key
FROM $wpdb->postmeta
GROUP BY meta_key
ORDER BY meta_key");
return $keys;
}
function meta_form() {
global $wpdb;
$keys = $wpdb->get_col("
SELECT meta_key
FROM $wpdb->postmeta
GROUP BY meta_key
ORDER BY meta_id DESC
LIMIT 10");
?>
<h3><?php _e('Add a new custom field to this post:') ?></h3>
<table cellspacing="3" cellpadding="3">
<tr>
<th colspan="2"><?php _e('Key') ?></th>
<th><?php _e('Value') ?></th>
</tr>
<tr valign="top">
<td align="right" width="18%">
<?php if ($keys) : ?>
<select id="metakeyselect" name="metakeyselect" tabindex="7">
<option value="#NONE#"><?php _e('- Select -'); ?></option>
<?php
foreach($keys as $key) {
echo "\n\t<option value='$key'>$key</option>";
}
?>
</select> <?php _e('or'); ?>
<?php endif; ?>
</td>
<td><input type="text" id="metakeyinput" name="metakeyinput" tabindex="7" /></td>
<td><textarea id="metavalue" name="metavalue" rows="3" cols="25" tabindex="8"></textarea></td>
</tr>
</table>
<p class="submit"><input type="submit" name="updatemeta" tabindex="9" value="<?php _e('Add Custom Field &raquo;') ?>" /></p>
<?php
}
function add_meta($post_ID) {
global $wpdb;
$metakeyselect = $wpdb->escape( stripslashes( trim($_POST['metakeyselect']) ) );
$metakeyinput = $wpdb->escape( stripslashes( trim($_POST['metakeyinput']) ) );
$metavalue = $wpdb->escape( stripslashes( trim($_POST['metavalue']) ) );
if (!empty($metavalue) && ((('#NONE#' != $metakeyselect) && !empty($metakeyselect)) || !empty($metakeyinput))) {
// We have a key/value pair. If both the select and the
// input for the key have data, the input takes precedence:
if ('#NONE#' != $metakeyselect)
$metakey = $metakeyselect;
if ($metakeyinput)
$metakey = $metakeyinput; // default
$result = $wpdb->query("
INSERT INTO $wpdb->postmeta
(post_id,meta_key,meta_value)
VALUES ('$post_ID','$metakey','$metavalue')
");
}
} // add_meta
function delete_meta($mid) {
global $wpdb;
$result = $wpdb->query("DELETE FROM $wpdb->postmeta WHERE meta_id = '$mid'");
}
function update_meta($mid, $mkey, $mvalue) {
global $wpdb;
return $wpdb->query("UPDATE $wpdb->postmeta SET meta_key = '$mkey', meta_value = '$mvalue' WHERE meta_id = '$mid'");
}
function touch_time($edit = 1, $for_post = 1) {
global $month, $postdata, $commentdata;
if ( $for_post && ('draft' == $postdata->post_status) ) {
$checked = 'checked="checked" ';
$edit = false;
} else {
$checked = ' ';
}
echo '<fieldset><legend><input type="checkbox" class="checkbox" name="edit_date" value="1" id="timestamp" '.$checked.'/> <label for="timestamp">' . __('Edit timestamp') . '</label></legend>';
$time_adj = time() + (get_settings('gmt_offset') * 3600);
$post_date = ($for_post) ? $postdata->post_date : $commentdata['comment_date'];
$jj = ($edit) ? mysql2date('d', $post_date) : gmdate('d', $time_adj);
$mm = ($edit) ? mysql2date('m', $post_date) : gmdate('m', $time_adj);
$aa = ($edit) ? mysql2date('Y', $post_date) : gmdate('Y', $time_adj);
$hh = ($edit) ? mysql2date('H', $post_date) : gmdate('H', $time_adj);
$mn = ($edit) ? mysql2date('i', $post_date) : gmdate('i', $time_adj);
$ss = ($edit) ? mysql2date('s', $post_date) : gmdate('s', $time_adj);
echo "<select name=\"mm\">\n";
for ($i=1; $i < 13; $i=$i+1) {
echo "\t\t\t<option value=\"$i\"";
if ($i == $mm)
echo " selected='selected'";
if ($i < 10) {
$ii = "0".$i;
} else {
$ii = "$i";
}
echo ">".$month["$ii"]."</option>\n";
}
?>
</select>
<input type="text" name="jj" value="<?php echo $jj; ?>" size="2" maxlength="2" />
<input type="text" name="aa" value="<?php echo $aa ?>" size="4" maxlength="5" /> @
<input type="text" name="hh" value="<?php echo $hh ?>" size="2" maxlength="2" /> :
<input type="text" name="mn" value="<?php echo $mn ?>" size="2" maxlength="2" />
<input type="hidden" name="ss" value="<?php echo $ss ?>" size="2" maxlength="2" />
<?php _e('Existing timestamp'); ?>:
<?php
// We might need to readjust to display proper existing timestamp
if ( $for_post && ('draft' == $postdata->post_status) ) {
$jj = mysql2date('d', $post_date);
$mm = mysql2date('m', $post_date);
$aa = mysql2date('Y', $post_date);
$hh = mysql2date('H', $post_date);
$mn = mysql2date('i', $post_date);
$ss = mysql2date('s', $post_date);
}
echo "{$month[$mm]} $jj, $aa @ $hh:$mn"; ?>
</fieldset>
<?php
}
function check_admin_referer() {
$adminurl = strtolower(get_settings('siteurl')).'/wp-admin';
$referer = strtolower($_SERVER['HTTP_REFERER']);
if ( !strstr($referer, $adminurl) ) {
die('Sorry, you need to <a href="http://codex.wordpress.org/Enable_Sending_Referrers">enable sending referrers</a> for this feature to work.');
}
}
// insert_with_markers: Owen Winkler
// Inserts an array of strings into a file (.htaccess), placing it between
// BEGIN and END markers. Replaces existing marked info. Retains surrounding
// data. Creates file if none exists.
// Returns true on write success, false on failure.
function insert_with_markers($filename, $marker, $insertion) {
if (!file_exists($filename) || is_writeable($filename)) {
if (!file_exists($filename)) {
$markerdata = '';
} else {
$markerdata = explode("\n", implode('', file($filename)));
}
$f = fopen($filename, 'w');
$foundit = false;
if ($markerdata) {
$state = true;
$newline = '';
foreach($markerdata as $markerline) {
if (strstr($markerline, "# BEGIN {$marker}")) $state = false;
if ($state) fwrite($f, "{$newline}{$markerline}");
if (strstr($markerline, "# END {$marker}")) {
fwrite($f, "{$newline}# BEGIN {$marker}");
if(is_array($insertion)) foreach($insertion as $insertline) fwrite($f, "{$newline}{$insertline}");
fwrite($f, "{$newline}# END {$marker}");
$state = true;
$foundit = true;
}
$newline = "\n";
}
}
if (!$foundit) {
fwrite($f, "# BEGIN {$marker}\n");
foreach($insertion as $insertline) fwrite($f, "{$insertline}\n");
fwrite($f, "# END {$marker}");
}
fclose($f);
return true;
} else {
return false;
}
}
// insert_with_markers: Owen Winkler
// Returns an array of strings from a file (.htaccess) from between BEGIN
// and END markers.
function extract_from_markers($filename, $marker) {
$result = array();
if (!file_exists($filename)) {
return $result;
}
if($markerdata = explode("\n", implode('', file($filename))));
{
$state = false;
foreach($markerdata as $markerline) {
if(strstr($markerline, "# END {$marker}")) $state = false;
if($state) $result[] = $markerline;
if(strstr($markerline, "# BEGIN {$marker}")) $state = true;
}
}
return $result;
}
function save_mod_rewrite_rules() {
global $is_apache, $wp_rewrite;
$home_path = get_home_path();
if (! $wp_rewrite->using_mod_rewrite_permalinks())
return;
if ( ! ((!file_exists($home_path.'.htaccess') && is_writable($home_path)) || is_writable($home_path.'.htaccess')) )
return;
if (! $is_apache)
return;
$rules = explode("\n", $wp_rewrite->mod_rewrite_rules());
insert_with_markers($home_path.'.htaccess', 'WordPress', $rules);
}
function generate_page_rewrite_rules() {
global $wpdb;
$posts = $wpdb->get_results("SELECT ID, post_name FROM $wpdb->posts WHERE post_status = 'static' ORDER BY post_parent DESC");
$page_rewrite_rules = array();
if ($posts) {
foreach ($posts as $post) {
// URI => page name
$uri = get_page_uri($post->ID);
$page_rewrite_rules[$uri] = $post->post_name;
}
update_option('page_uris', $page_rewrite_rules);
save_mod_rewrite_rules();
}
}
function the_quicktags () {
// Browser detection sucks, but until Safari supports the JS needed for this to work people just assume it's a bug in WP
if ( !strstr($_SERVER['HTTP_USER_AGENT'], 'Safari') ) :
echo '
<div id="quicktags">
<a href="http://wordpress.org/docs/reference/post/#quicktags" title="' . __('Help with quicktags') . '">' . __('Quicktags') . '</a>:
<script src="quicktags.js" type="text/javascript"></script>
<script type="text/javascript">edToolbar();</script>
';
echo '</div>';
endif;
}
function validate_current_theme() {
$theme_loc = 'wp-content/themes';
$theme_root = ABSPATH . $theme_loc;
$template = get_settings('template');
$stylesheet = get_settings('stylesheet');
if (($template != 'default') && (! file_exists("$theme_root/$template/index.php"))) {
update_option('template', 'default');
update_option('stylesheet', 'default');
do_action('switch_theme', 'Default');
return false;
}
if (($stylesheet != 'default') && (! file_exists("$theme_root/$stylesheet/style.css"))) {
update_option('template', 'default');
update_option('stylesheet', 'default');
do_action('switch_theme', 'Default');
return false;
}
return true;
}
function get_broken_themes() {
global $wp_broken_themes;
get_themes();
return $wp_broken_themes;
}
function get_page_templates() {
$themes = get_themes();
$theme = get_current_theme();
$templates = $themes[$theme]['Template Files'];
$page_templates = array();
if( is_array( $templates ) ) {
foreach ($templates as $template) {
$template_data = implode('', file(ABSPATH . $template));
preg_match("|Template Name:(.*)|i", $template_data, $name);
preg_match("|Description:(.*)|i", $template_data, $description);
$name = $name[1];
$description = $description[1];
if (! empty($name)) {
$page_templates[trim($name)] = basename($template);
}
}
}
return $page_templates;
}
function page_template_dropdown($default = '') {
$templates = get_page_templates();
foreach (array_keys($templates) as $template) :
if ($default == $templates[$template]) $selected = " selected='selected'";
else $selected = '';
echo "\n\t<option value='" . $templates[$template] . "' $selected>$template</option>";
endforeach;
}
function parent_dropdown($default = 0, $parent = 0, $level = 0) {
global $wpdb, $post_ID;
$items = $wpdb->get_results("SELECT ID, post_parent, post_title FROM $wpdb->posts WHERE post_parent = $parent AND post_status = 'static' ORDER BY menu_order");
if ($items) {
foreach ($items as $item) {
// A page cannot be it's own parent.
if (!empty($post_ID)) {
if ($item->ID == $post_ID) {
continue;
}
}
$pad = str_repeat('&nbsp;', $level * 3);
if ($item->ID == $default)
$current = ' selected="selected"';
else
$current = '';
echo "\n\t<option value='$item->ID'$current>$pad $item->post_title</option>";
parent_dropdown($default, $item->ID, $level + 1);
}
} else {
return false;
}
}
function user_can_access_admin_page() {
global $pagenow;
global $menu;
global $submenu;
global $user_level;
$parent = get_admin_page_parent();
foreach ($menu as $menu_array) {
//echo "parent array: " . $menu_array[2];
if ($menu_array[2] == $parent) {
if ($user_level < $menu_array[1]) {
return false;
} else {
break;
}
}
}
if (isset($submenu[$parent])) {
foreach ($submenu[$parent] as $submenu_array) {
if ($submenu_array[2] == $pagenow) {
if ($user_level < $submenu_array[1]) {
return false;
} else {
return true;
}
}
}
}
return true;
}
function get_admin_page_title() {
global $title;
global $menu;
global $submenu;
global $pagenow;
global $plugin_page;
if (isset($title) && ! empty($title)) {
return $title;
}
$parent = get_admin_page_parent();
if (empty($parent)) {
foreach ($menu as $menu_array) {
if (isset($menu_array[3])) {
if ($menu_array[2] == $pagenow) {
$title = $menu_array[3];
return $menu_array[3];
} else if (isset($plugin_page) && ($plugin_page == $menu_array[2])) {
$title = $menu_array[3];
return $menu_array[3];
}
}
}
} else {
foreach (array_keys($submenu) as $parent) {
foreach ($submenu[$parent] as $submenu_array) {
if (isset($submenu_array[3])) {
if ($submenu_array[2] == $pagenow) {
$title = $submenu_array[3];
return $submenu_array[3];
} else if (isset($plugin_page) && ($plugin_page == $submenu_array[2])) {
$title = $submenu_array[3];
return $submenu_array[3];
}
}
}
}
}
return '';
}
function get_admin_page_parent() {
global $parent_file;
global $menu;
global $submenu;
global $pagenow;
global $plugin_page;
if (isset($parent_file) && ! empty($parent_file)) {
return $parent_file;
}
if ($pagenow == 'admin.php' && isset($plugin_page)) {
foreach ($menu as $parent_menu) {
if ($parent_menu[2] == $plugin_page) {
$parent_file = $plugin_page;
return $plugin_page;
}
}
}
foreach (array_keys($submenu) as $parent) {
foreach ($submenu[$parent] as $submenu_array) {
if ($submenu_array[2] == $pagenow) {
$parent_file = $parent;
return $parent;
} else if (isset($plugin_page) && ($plugin_page == $submenu_array[2])) {
$parent_file = $parent;
return $parent;
}
}
}
$parent_file = '';
return '';
}
function plugin_basename($file) {
return preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', $file);
}
function add_menu_page($page_title, $menu_title, $access_level, $file, $function = '') {
global $menu, $admin_page_hooks;
$file = plugin_basename($file);
$menu[] = array($menu_title, $access_level, $file, $page_title);
$admin_page_hooks[$file] = sanitize_title($menu_title);
$hookname = get_plugin_page_hookname($file, '');
if ( !empty($function) && !empty($hookname) )
add_action($hookname, $function);
return $hookname;
}
function add_submenu_page($parent, $page_title, $menu_title, $access_level, $file, $function = '') {
global $submenu;
global $menu;
$parent = plugin_basename($parent);
$file = plugin_basename($file);
// If the parent doesn't already have a submenu, add a link to the parent
// as the first item in the submenu. If the submenu file is the same as the
// parent file someone is trying to link back to the parent manually. In
// this case, don't automatically add a link back to avoid duplication.
if (! isset($submenu[$parent]) && $file != $parent) {
foreach ($menu as $parent_menu) {
if ($parent_menu[2] == $parent) {
$submenu[$parent][] = $parent_menu;
}
}
}
$submenu[$parent][] = array($menu_title, $access_level, $file, $page_title);
$hookname = get_plugin_page_hookname($file, $parent);
if ( !empty($function) && !empty($hookname) )
add_action($hookname, $function);
return $hookname;
}
function add_options_page($page_title, $menu_title, $access_level, $file, $function = '') {
return add_submenu_page('options-general.php', $page_title, $menu_title, $access_level, $file, $function);
}
function add_management_page($page_title, $menu_title, $access_level, $file, $function = '') {
return add_submenu_page('edit.php', $page_title, $menu_title, $access_level, $file, $function);
}
function validate_file($file, $allowed_files = '') {
if ( false !== strpos($file, './'))
return 1;
if (':' == substr($file,1,1))
return 2;
if ( !empty($allowed_files) && (! in_array($file, $allowed_files)) )
return 3;
return 0;
}
function validate_file_to_edit($file, $allowed_files = '') {
$file = stripslashes($file);
$code = validate_file($file, $allowed_files);
if (! $code)
return $file;
switch ($code) {
case 1:
die (__('Sorry, can&#8217;t edit files with ".." in the name. If you are trying to edit a file in your WordPress home directory, you can just type the name of the file in.'));
case 2:
die (__('Sorry, can&#8217;t call files with their real path.'));
case 3:
die (__('Sorry, that file cannot be edited.'));
}
}
function get_home_path() {
$home = get_settings('home');
if ( $home != '' && $home != get_settings('siteurl') ) {
$home_path = parse_url($home);
$home_path = $home_path['path'];
$root = str_replace($_SERVER["PHP_SELF"], '', $_SERVER["SCRIPT_FILENAME"]);
$home_path = trailingslashit($root . $home_path);
} else {
$home_path = ABSPATH;
}
return $home_path;
}
function get_real_file_to_edit($file) {
if ('index.php' == $file ||
'.htaccess' == $file) {
$real_file = get_home_path() . $file;
} else {
$real_file = ABSPATH . $file;
}
return $real_file;
}
$wp_file_descriptions =
array(
'index.php' => __('Main Template'),
'style.css' => __('Stylesheet'),
'comments.php' => __('Comments Template'),
'comments-popup.php' => __('Popup Comments Template'),
'footer.php' => __('Footer Template'),
'header.php' => __('Header Template'),
'sidebar.php' => __('Sidebar Template'),
'archive.php' => __('Archive Template'),
'category.php' => __('Category Template'),
'page.php' => __('Page Template'),
'search.php' => __('Search Template'),
'single.php' => __('Post Template'),
'404.php' => __('404 Template'),
'my-hacks.php' => __('my-hacks.php (legacy hacks support)'),
'.htaccess' => __('.htaccess (for rewrite rules)'),
// Deprecated files
'wp-layout.css' => __('Stylesheet'),
'wp-comments.php' => __('Comments Template'),
'wp-comments-popup.php' => __('Popup Comments Template')
);
function get_file_description($file) {
global $wp_file_descriptions;
if ( isset($wp_file_descriptions[basename($file)] ) ) {
return $wp_file_descriptions[basename($file)];
} elseif ( file_exists( ABSPATH . $file ) ) {
$template_data = implode('', file(ABSPATH . $file));
if ( preg_match("|Template Name:(.*)|i", $template_data, $name) )
return $name[1];
}
return basename( $file );
}
function update_recently_edited($file) {
$oldfiles = (array) get_option('recently_edited');
if ($oldfiles) {
$oldfiles = array_reverse($oldfiles);
$oldfiles[] = $file;
$oldfiles = array_reverse($oldfiles);
$oldfiles = array_unique($oldfiles);
if ( 5 < count($oldfiles) )
array_pop($oldfiles);
} else {
$oldfiles[] = $file;
}
update_option('recently_edited', $oldfiles);
}
function get_plugin_data($plugin_file) {
$plugin_data = implode('', file($plugin_file));
preg_match("|Plugin Name:(.*)|i", $plugin_data, $plugin_name);
preg_match("|Plugin URI:(.*)|i", $plugin_data, $plugin_uri);
preg_match("|Description:(.*)|i", $plugin_data, $description);
preg_match("|Author:(.*)|i", $plugin_data, $author_name);
preg_match("|Author URI:(.*)|i", $plugin_data, $author_uri);
if ( preg_match("|Version:(.*)|i", $plugin_data, $version) )
$version = $version[1];
else
$version ='';
$description = wptexturize($description[1]);
$name = $plugin_name[1];
$name = trim($name);
$plugin = $name;
if ('' != $plugin_uri[1] && '' != $name) {
$plugin = '<a href="' . $plugin_uri[1] . '" title="' . __('Visit plugin homepage') . '">' . $plugin . '</a>';
}
if ('' == $author_uri[1]) {
$author = $author_name[1];
} else {
$author = '<a href="' . $author_uri[1] . '" title="' . __('Visit author homepage') . '">' . $author_name[1] . '</a>';
}
return array('Name' => $name, 'Title' => $plugin, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1]);
}
function get_plugins() {
global $wp_plugins;
if (isset($wp_plugins)) {
return $wp_plugins;
}
$wp_plugins = array();
$plugin_loc = 'wp-content/plugins';
$plugin_root = ABSPATH . $plugin_loc;
// Files in wp-content/plugins directory
$plugins_dir = @ dir($plugin_root);
if ($plugins_dir) {
while(($file = $plugins_dir->read()) !== false) {
if ( preg_match('|^\.+$|', $file) )
continue;
if (is_dir($plugin_root . '/' . $file)) {
$plugins_subdir = @ dir($plugin_root . '/' . $file);
if ($plugins_subdir) {
while(($subfile = $plugins_subdir->read()) !== false) {
if ( preg_match('|^\.+$|', $subfile) )
continue;
if ( preg_match('|\.php$|', $subfile) )
$plugin_files[] = "$file/$subfile";
}
}
} else {
if ( preg_match('|\.php$|', $file) )
$plugin_files[] = $file;
}
}
}
if (!$plugins_dir || !$plugin_files) {
return $wp_plugins;
}
sort($plugin_files);
foreach($plugin_files as $plugin_file) {
$plugin_data = get_plugin_data("$plugin_root/$plugin_file");
if (empty($plugin_data['Name'])) {
continue;
}
$wp_plugins[plugin_basename($plugin_file)] = $plugin_data;
}
return $wp_plugins;
}
function get_plugin_page_hookname($plugin_page, $parent_page) {
global $admin_page_hooks;
$parent = get_admin_page_parent();
if ( empty($parent_page) || 'admin.php' == $parent_page ) {
if ( isset($admin_page_hooks[$plugin_page]) )
$page_type = 'toplevel';
else if ( isset($admin_page_hooks[$parent]) )
$page_type = $admin_page_hooks[$parent];
} else if ( isset($admin_page_hooks[$parent_page]) ) {
$page_type = $admin_page_hooks[$parent_page];
} else {
$page_type = 'admin';
}
$plugin_name = preg_replace('!\.php!', '', $plugin_page);
return $page_type . '_page_' . $plugin_name;
}
function get_plugin_page_hook($plugin_page, $parent_page) {
global $wp_filter;
$hook = get_plugin_page_hookname($plugin_page, $parent_page);
if ( isset($wp_filter[$hook]) )
return $hook;
else
return '';
}
?>