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 == $current) echo ' checked="checked"';
}
function get_nested_categories($default = 0) {
global $post, $tablecategories, $tablepost2cat, $mode, $wpdb;
if ($post->ID) {
$checked_categories = $wpdb->get_col("
SELECT category_id
FROM $tablecategories, $tablepost2cat
WHERE $tablepost2cat.category_id = cat_ID AND $tablepost2cat.post_id = '$post->ID'
");
} else {
$checked_categories[] = $default;
}
$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY category_parent DESC");
$result = array();
foreach($categories as $category) {
$array_category = get_object_vars($category);
$me = 0 + $category->cat_ID;
$parent = 0 + $category->category_parent;
$array_category['children'] = $result[$me];
$array_category['checked'] = in_array($category->cat_ID, $checked_categories);
$array_category['cat_name'] = stripslashes($category->cat_name);
$result[$parent][] = $array_category;
}
return $result[0];
}
function write_nested_categories($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"' : ""), '/> ', $category['cat_name'], "</label>\n";
if(isset($category['children'])) {
echo "\n<span class='cat-nest'>\n";
write_nested_categories($category['children'], $count);
echo "</span>\n";
}
}
}
function dropdown_categories($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, $tablecategories, $tablepost2cat, $bgcolor;
if (!$categories) {
$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY cat_name");
}
if ($categories) {
foreach ($categories as $category) {
if ($category->category_parent == $parent) {
$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $tablepost2cat WHERE category_id = $category->cat_ID");
$pad = str_repeat('&#8212; ', $level);
$bgcolor = ('#eee' == $bgcolor) ? 'none' : '#eee';
echo "<tr style='background-color: $bgcolor'><td>$pad $category->cat_name</td>
<td>$category->category_description</td>
<td>$count</td>
<td><a href='categories.php?action=edit&amp;cat_ID=$category->cat_ID' class='edit'>Edit</a></td><td><a href='categories.php?action=Delete&amp;cat_ID=$category->cat_ID' onclick=\"return confirm('You are about to delete the category \'". addslashes($category->cat_name) ."\' and all its posts will go to the default category.\\n \'OK\' to delete, \'Cancel\' to stop.')\" class='delete'>Delete</a></td>
</tr>";
cat_rows($category->cat_ID, $level + 1);
}
}
} else {
return false;
}
}
function wp_dropdown_cats($currentcat, $currentparent = 0, $parent = 0, $level = 0, $categories = 0) {
global $wpdb, $tablecategories, $tablepost2cat, $bgcolor;
if (!$categories) {
$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY cat_name");
}
if ($categories) {
foreach ($categories as $category) { if ($currentcat != $category->cat_ID && $parent == $category->category_parent) {
$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $tablepost2cat WHERE category_id = $category->cat_ID");
$pad = str_repeat('&#8211; ', $level);
echo "\n\t<option value='$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, $image_new_height);
@imagecopyresized($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, $tablepostmeta;
return $wpdb->get_results("
SELECT meta_key, meta_value, meta_id, post_id
FROM $tablepostmeta
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;
print "
<table id='meta-list'>
<tr>
<th>Key</th>
<th>Value</th>
<th>&nbsp</th>
</tr>\n";
foreach ($meta as $entry) {
// TBD: Still need to add edit/del logic...
print "
<tr>
<td>{$entry['meta_key']}</td>
<td>{$entry['meta_value']}</td>
<td><a href=\"?action=deletemeta&amp;meta_id={$entry['meta_id']}&amp;post={$entry['post_id']}\">Delete</a></td>
</tr>\n";
}
print "
</table>\n";
}
// Get a list of previously defined keys
function get_meta_keys() {
global $wpdb, $tablepostmeta;
$keys = $wpdb->get_col("
SELECT meta_key
FROM $tablepostmeta
GROUP BY meta_key
ORDER BY meta_key");
return $keys;
}
function meta_form() {
$keys = get_meta_keys();
?>
<h4>Add new custom data to this post:</h4>
<div id="postcustomkeys">
<p>Select existing key or enter new key</p>
<?php
if ($keys) {
?>
<select id="metakeyselect" name="metakeyselect">
<option value="#NONE#">- Select -</option>
<?php
foreach($keys as $key) {
echo "<option value='$key'>$key</option>\n";
}
?>
</select>
<?php
} // if ($keys)
?>
<input type="text" id="metakeyinput" name="metakeyinput" />
</div>
<div id="postcustomvals">
<p>Custom Value</p>
<textarea id="metavalue" name="metavalue" rows="3" cols="25"></textarea>
</div>
<br style="clear: both;" />
<div id="postcustomsubmit">
<input type="submit" id="save" name="save" value="Add Custom">
</div>
<?php
}
function add_meta($post_ID) {
global $wpdb, $tablepostmeta;
$metakeyselect = trim($_POST['metakeyselect']);
$metakeyinput = trim($_POST['metakeyinput']);
$metavalue = trim($_POST['metavalue']);
if (isset($metavalue) && (('#NONE#' != $metakeyselect) || $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 $tablepostmeta
(post_id,meta_key,meta_value)
VALUES ('$post_ID','$metakey','$metavalue')
");
}
} // add_meta
function del_meta($mid) {
global $wpdb, $tablepostmeta;
$result = $wpdb->query("DELETE FROM $tablepostmeta WHERE meta_id = '$mid'");
}
?>