I finished my first plugin, and I was wondering if someone with some experience could give it a quick eyeball to make sure that I'm not doing anything stupid before I upload it somewhere. Thanks in advance for the help!
<?php
/*
Plugin Name: PerUserSigs
Description: Provides per-user signatures on posts and comments.
Version: 1.0
*/
/* snip the GPL text */
if (!class_exists('PerUserSig')) {
class PerUserSig {
function PerUserSig() {
add_action('show_user_profile', array(&$this, 'output_signature_settings'));
add_action('edit_user_profile', array(&$this, 'output_signature_settings'));
add_action('profile_update', array(&$this, 'update_signature_settings'));
add_filter('the_content', array(&$this, 'post_content_intercept'));
add_filter('comment_text', array(&$this, 'comment_intercept'));
add_filter('set_post_signature', 'wp_filter_post_kses');
add_filter('set_comment_signature', 'wp_filter_kses');
}
function output_signature_settings() {
global $userdata;
$canPost = current_user_can('edit_posts');
echo '<fieldset><legend>';
if ($canPost) echo 'Signatures';
else echo 'Signature';
echo '</legend>';
if ($canPost) {
echo '<label>Post Signature:';
echo '<textarea name="post_sig" id="post_sig" rows="5" cols="30">';
echo get_usermeta($userdata->ID, 'post_sig');
echo '</textarea>';
echo '</label><p />';
}
echo '<label>Comment Signature:';
echo '<textarea name="comment_sig" id="comment_sig" rows="5" cols="30">';
echo get_usermeta($userdata->ID, 'comment_sig');
echo '</textarea>';
echo '</label>';
echo '</fieldset>';
}
function update_signature_settings($user_ID) {
if ( isset( $_POST['post_sig'] )) {
$post_sig = apply_filters('set_post_signature', trim($_POST['post_sig']));
update_usermeta($user_ID, 'post_sig', $post_sig);
}
if ( isset( $_POST['comment_sig'] )) {
$comment_sig = apply_filters('set_comment_signature', trim($_POST['comment_sig']));
update_usermeta($user_ID, 'comment_sig', $comment_sig);
}
}
function post_content_intercept($content) {
global $post;
if ($post->post_type != 'post') {
return $content;
}
$sig = get_usermeta($post->post_author, 'post_sig');
if ( !empty( $sig )) {
$content .= $sig;
}
return $content;
}
function comment_intercept($content) {
global $comment;
$sig = get_usermeta($comment->user_id, 'comment_sig');
if ( !empty( $sig )) {
$content .= "----------------------------------------
".$sig;
}
return $content;
}
}
}
//instantiate the class
if (class_exists('PerUserSig')) {
$PerUserSig = new PerUserSig();
}
?>
