610 lines
18 KiB
PHP
610 lines
18 KiB
PHP
<?php
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/**** DB Functions ****/
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/*
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* generic function for inserting data into the posts table.
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*/
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function wp_insert_post($postarr = array()) {
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global $wpdb, $post_default_category, $allowedtags;
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// export array as variables
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extract($postarr);
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// Do some escapes for safety
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$post_title = $wpdb->escape($post_title);
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$post_name = sanitize_title($post_title);
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$post_excerpt = $wpdb->escape($post_excerpt);
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$post_content = $wpdb->escape($post_content);
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$post_author = (int) $post_author;
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// Make sure we set a valid category
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if (0 == count($post_category) || !is_array($post_category)) {
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$post_category = array($post_default_category);
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}
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$post_cat = $post_category[0];
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if (empty($post_date))
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$post_date = current_time('mysql');
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// Make sure we have a good gmt date:
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if (empty($post_date_gmt))
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$post_date_gmt = get_gmt_from_date($post_date);
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if (empty($comment_status))
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$comment_status = get_settings('default_comment_status');
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if (empty($ping_status))
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$ping_status = get_settings('default_ping_status');
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if ( empty($post_parent) )
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$post_parent = 0;
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if ('publish' == $post_status) {
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$post_name_check = $wpdb->get_var("SELECT post_name FROM $wpdb->posts WHERE post_name = '$post_name' AND post_status = 'publish' AND ID != '$post_ID' LIMIT 1");
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if ($post_name_check) {
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$suffix = 2;
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while ($post_name_check) {
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$alt_post_name = $post_name . "-$suffix";
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$post_name_check = $wpdb->get_var("SELECT post_name FROM $wpdb->posts WHERE post_name = '$alt_post_name' AND post_status = 'publish' AND ID != '$post_ID' LIMIT 1");
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$suffix++;
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}
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$post_name = $alt_post_name;
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}
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}
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$sql = "INSERT INTO $wpdb->posts
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(post_author, post_date, post_date_gmt, post_modified, post_modified_gmt, post_content, post_title, post_excerpt, post_category, post_status, post_name, comment_status, ping_status, post_parent)
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VALUES ('$post_author', '$post_date', '$post_date_gmt', '$post_date', '$post_date_gmt', '$post_content', '$post_title', '$post_excerpt', '$post_cat', '$post_status', '$post_name', '$comment_status', '$ping_status', '$post_parent')";
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$result = $wpdb->query($sql);
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$post_ID = $wpdb->insert_id;
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// Set GUID
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$wpdb->query("UPDATE $wpdb->posts SET guid = '" . get_permalink($post_ID) . "' WHERE ID = '$post_ID'");
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wp_set_post_cats('', $post_ID, $post_category);
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if ($post_status == 'publish') {
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do_action('publish_post', $post_ID);
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}
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pingback($content, $post_ID);
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// Return insert_id if we got a good result, otherwise return zero.
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return $result ? $post_ID : 0;
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}
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function wp_get_single_post($postid = 0, $mode = OBJECT) {
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global $wpdb;
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$sql = "SELECT * FROM $wpdb->posts WHERE ID=$postid";
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$result = $wpdb->get_row($sql, $mode);
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// Set categories
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if($mode == OBJECT) {
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$result->post_category = wp_get_post_cats('',$postid);
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}
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else {
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$result['post_category'] = wp_get_post_cats('',$postid);
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}
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return $result;
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}
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function wp_get_recent_posts($num = 10) {
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global $wpdb;
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// Set the limit clause, if we got a limit
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if ($num) {
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$limit = "LIMIT $num";
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}
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$sql = "SELECT * FROM $wpdb->posts WHERE post_status IN ('publish', 'draft', 'private') ORDER BY post_date DESC $limit";
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$result = $wpdb->get_results($sql,ARRAY_A);
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return $result?$result:array();
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}
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function wp_update_post($postarr = array()) {
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global $wpdb;
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// First get all of the original fields
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extract(wp_get_single_post($postarr['ID'], ARRAY_A));
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// Now overwrite any changed values being passed in
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extract($postarr);
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// Make sure we set a valid category
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if ( 0 == count($post_category) || !is_array($post_category) )
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$post_category = array($post_default_category);
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// Do some escapes for safety
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$post_title = $wpdb->escape($post_title);
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$post_excerpt = $wpdb->escape($post_excerpt);
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$post_content = $wpdb->escape($post_content);
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$post_modified = current_time('mysql');
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$post_modified_gmt = current_time('mysql', 1);
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$sql = "UPDATE $wpdb->posts
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SET post_content = '$post_content',
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post_title = '$post_title',
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post_category = $post_category[0],
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post_status = '$post_status',
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post_date = '$post_date',
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post_date_gmt = '$post_date_gmt',
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post_modified = '$post_modified',
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post_modified_gmt = '$post_modified_gmt',
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post_excerpt = '$post_excerpt',
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ping_status = '$ping_status',
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comment_status = '$comment_status'
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WHERE ID = $ID";
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$result = $wpdb->query($sql);
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$rows_affected = $wpdb->rows_affected;
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wp_set_post_cats('', $ID, $post_category);
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do_action('edit_post', $ID);
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return $rows_affected;
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}
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function wp_get_post_cats($blogid = '1', $post_ID = 0) {
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global $wpdb;
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$sql = "SELECT category_id
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FROM $wpdb->post2cat
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WHERE post_id = $post_ID
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ORDER BY category_id";
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$result = $wpdb->get_col($sql);
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return array_unique($result);
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}
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function wp_set_post_cats($blogid = '1', $post_ID = 0, $post_categories = array()) {
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global $wpdb;
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// If $post_categories isn't already an array, make it one:
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if (!is_array($post_categories)) {
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if (!$post_categories) {
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$post_categories = 1;
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}
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$post_categories = array($post_categories);
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}
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$post_categories = array_unique($post_categories);
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// First the old categories
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$old_categories = $wpdb->get_col("
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SELECT category_id
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FROM $wpdb->post2cat
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WHERE post_id = $post_ID");
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if (!$old_categories) {
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$old_categories = array();
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} else {
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$old_categories = array_unique($old_categories);
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}
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$oldies = printr($old_categories,1);
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$newbies = printr($post_categories,1);
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// Delete any?
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$delete_cats = array_diff($old_categories,$post_categories);
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if ($delete_cats) {
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foreach ($delete_cats as $del) {
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$wpdb->query("
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DELETE FROM $wpdb->post2cat
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WHERE category_id = $del
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AND post_id = $post_ID
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");
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}
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}
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// Add any?
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$add_cats = array_diff($post_categories, $old_categories);
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if ($add_cats) {
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foreach ($add_cats as $new_cat) {
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$wpdb->query("
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INSERT INTO $wpdb->post2cat (post_id, category_id)
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VALUES ($post_ID, $new_cat)");
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}
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}
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} // wp_set_post_cats()
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function wp_delete_post($postid = 0) {
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global $wpdb;
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$postid = (int) $postid;
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if ( !$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = $postid") )
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return $post;
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if ( 'static' == $post->post_status )
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$wpdb->query("UPDATE $wpdb->posts SET post_parent = $post->post_parent WHERE post_parent = $postid AND post_status = 'static'");
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$wpdb->query("DELETE FROM $wpdb->posts WHERE ID = $postid");
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$wpdb->query("DELETE FROM $wpdb->comments WHERE comment_post_ID = $postid");
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$wpdb->query("DELETE FROM $wpdb->post2cat WHERE post_id = $postid");
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$wpdb->query("DELETE FROM $wpdb->postmeta WHERE post_id = $postid");
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return $post;
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}
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/**** /DB Functions ****/
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/**** Misc ****/
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// get permalink from post ID
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function post_permalink($post_id = 0, $mode = '') { // $mode legacy
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return get_permalink($post_id);
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}
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// Get the name of a category from its ID
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function get_cat_name($cat_id) {
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global $wpdb;
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$cat_id -= 0; // force numeric
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$name = $wpdb->get_var("SELECT cat_name FROM $wpdb->categories WHERE cat_ID=$cat_id");
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return $name;
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}
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// Get the ID of a category from its name
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function get_cat_ID($cat_name='General') {
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global $wpdb;
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$cid = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE cat_name='$cat_name'");
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return $cid?$cid:1; // default to cat 1
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}
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// Get author's preferred display name
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function get_author_name( $auth_id ) {
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$authordata = get_userdata( $auth_id );
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switch( $authordata['user_idmode'] ) {
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case 'nickname':
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$authorname = $authordata['user_nickname'];
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break;
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case 'login':
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$authorname = $authordata['user_login'];
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break;
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case 'firstname':
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$authorname = $authordata['user_firstname'];
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break;
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case 'lastname':
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$authorname = $authordata['user_lastname'];
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break;
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case 'namefl':
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$authorname = $authordata['user_firstname'].' '.$authordata['user_lastname'];
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break;
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case 'namelf':
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$authorname = $authordata['user_lastname'].' '.$authordata['user_firstname'];
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break;
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default:
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$authorname = $authordata['user_nickname'];
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break;
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}
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return $authorname;
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}
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// get extended entry info (<!--more-->)
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function get_extended($post) {
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list($main,$extended) = explode('<!--more-->', $post, 2);
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// Strip leading and trailing whitespace
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$main = preg_replace('/^[\s]*(.*)[\s]*$/','\\1',$main);
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$extended = preg_replace('/^[\s]*(.*)[\s]*$/','\\1',$extended);
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return array('main' => $main, 'extended' => $extended);
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}
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// do trackbacks for a list of urls
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// borrowed from edit.php
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// accepts a comma-separated list of trackback urls and a post id
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function trackback_url_list($tb_list, $post_id) {
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if (!empty($tb_list)) {
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// get post data
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$postdata = wp_get_single_post($post_id, ARRAY_A);
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// import postdata as variables
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extract($postdata);
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// form an excerpt
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$excerpt = strip_tags($post_excerpt?$post_excerpt:$post_content);
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if (strlen($excerpt) > 255) {
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$excerpt = substr($excerpt,0,252) . '...';
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}
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$trackback_urls = explode(',', $tb_list);
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foreach($trackback_urls as $tb_url) {
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$tb_url = trim($tb_url);
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trackback($tb_url, stripslashes($post_title), $excerpt, $post_id);
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}
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}
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}
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// query user capabilities
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// rather simplistic. shall evolve with future permission system overhaul
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// $blog_id and $category_id are there for future usage
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/* returns true if $user_id can create a new post */
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function user_can_create_post($user_id, $blog_id = 1, $category_id = 'None') {
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$author_data = get_userdata($user_id);
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return ($author_data->user_level > 1);
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}
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/* returns true if $user_id can create a new post */
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function user_can_create_draft($user_id, $blog_id = 1, $category_id = 'None') {
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$author_data = get_userdata($user_id);
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return ($author_data->user_level >= 1);
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}
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/* returns true if $user_id can edit $post_id */
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function user_can_edit_post($user_id, $post_id, $blog_id = 1) {
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$author_data = get_userdata($user_id);
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$post = get_post($post_id);
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$post_author_data = get_userdata($post->post_author);
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if ( (($user_id == $post_author_data->ID) && !($post->post_status == 'publish' && $author_data->user_level < 2))
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|| ($author_data->user_level > $post_author_data->user_level)
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|| ($author_data->user_level >= 10) ) {
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return true;
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} else {
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return false;
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}
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}
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/* returns true if $user_id can delete $post_id */
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function user_can_delete_post($user_id, $post_id, $blog_id = 1) {
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// right now if one can edit, one can delete
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return user_can_edit_post($user_id, $post_id, $blog_id);
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}
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/* returns true if $user_id can set new posts' dates on $blog_id */
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function user_can_set_post_date($user_id, $blog_id = 1, $category_id = 'None') {
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$author_data = get_userdata($user_id);
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return (($author_data->user_level > 4) && user_can_create_post($user_id, $blog_id, $category_id));
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}
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/* returns true if $user_id can edit $post_id's date */
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function user_can_edit_post_date($user_id, $post_id, $blog_id = 1) {
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$author_data = get_userdata($user_id);
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return (($author_data->user_level > 4) && user_can_edit_post($user_id, $post_id, $blog_id));
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}
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/* returns true if $user_id can edit $post_id's comments */
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function user_can_edit_post_comments($user_id, $post_id, $blog_id = 1) {
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// right now if one can edit a post, one can edit comments made on it
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return user_can_edit_post($user_id, $post_id, $blog_id);
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}
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/* returns true if $user_id can delete $post_id's comments */
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function user_can_delete_post_comments($user_id, $post_id, $blog_id = 1) {
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// right now if one can edit comments, one can delete comments
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return user_can_edit_post_comments($user_id, $post_id, $blog_id);
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}
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function user_can_edit_user($user_id, $other_user) {
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$user = get_userdata($user_id);
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$other = get_userdata($other_user);
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if ( $user->user_level > $other->user_level || $user->user_level > 8 || $user->ID == $other->ID )
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return true;
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else
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return false;
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}
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function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
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global $wpdb;
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do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);
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if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) {
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foreach ($chars[1] as $char) {
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// If it's an encoded char in the normal ASCII set, reject
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if ($char < 128)
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return true;
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}
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}
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$mod_keys = trim( get_settings('blacklist_keys') );
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if ('' == $mod_keys )
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return false; // If moderation keys are empty
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$words = explode("\n", $mod_keys );
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foreach ($words as $word) {
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$word = trim($word);
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// Skip empty lines
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if ( empty($word) ) { continue; }
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// Do some escaping magic so that '#' chars in the
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// spam words don't break things:
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$word = preg_quote($word, '#');
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$pattern = "#$word#i";
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if ( preg_match($pattern, $author ) ) return true;
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if ( preg_match($pattern, $email ) ) return true;
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if ( preg_match($pattern, $url ) ) return true;
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if ( preg_match($pattern, $comment ) ) return true;
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if ( preg_match($pattern, $user_ip ) ) return true;
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if ( preg_match($pattern, $user_agent) ) return true;
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}
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if ( isset($_SERVER['REMOTE_ADDR']) ) {
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if ( wp_proxy_check($_SERVER['REMOTE_ADDR']) ) return true;
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}
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return false;
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}
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function wp_proxy_check($ipnum) {
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if ( get_option('open_proxy_check') && isset($ipnum) ) {
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$rev_ip = implode( '.', array_reverse( explode( '.', $ipnum ) ) );
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$lookup = $rev_ip . '.opm.blitzed.org';
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if ( $lookup != gethostbyname( $lookup ) )
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return true;
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}
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return false;
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}
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function wp_new_comment( $commentdata, $spam = false ) {
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global $wpdb;
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$commentdata = apply_filters('preprocess_comment', $commentdata);
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extract($commentdata);
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$comment_post_ID = (int) $comment_post_ID;
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$user_id = apply_filters('pre_user_id', $user_ID);
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$author = apply_filters('pre_comment_author_name', $comment_author);
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$email = apply_filters('pre_comment_author_email', $comment_author_email);
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$url = apply_filters('pre_comment_author_url', $comment_author_url);
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$comment = apply_filters('pre_comment_content', $comment_content);
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$comment = apply_filters('post_comment_text', $comment); // Deprecated
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$comment = apply_filters('comment_content_presave', $comment); // Deprecated
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$user_ip = apply_filters('pre_comment_user_ip', $_SERVER['REMOTE_ADDR']);
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$user_domain = apply_filters('pre_comment_user_domain', gethostbyaddr($user_ip) );
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$user_agent = apply_filters('pre_comment_user_agent', $_SERVER['HTTP_USER_AGENT']);
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$now = current_time('mysql');
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$now_gmt = current_time('mysql', 1);
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if ( $user_id ) {
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$userdata = get_userdata($user_id);
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$post_author = $wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = '$comment_post_ID' LIMIT 1");
|
|
}
|
|
|
|
// Simple duplicate check
|
|
$dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$author' ";
|
|
if ( $email ) $dupe .= "OR comment_author_email = '$email' ";
|
|
$dupe .= ") AND comment_content = '$comment' LIMIT 1";
|
|
if ( $wpdb->get_var($dupe) )
|
|
die( __('Duplicate comment detected; it looks as though you\'ve already said that!') );
|
|
|
|
// Simple flood-protection
|
|
if ( $lasttime = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = '$user_ip' OR comment_author_email = '$email' ORDER BY comment_date DESC LIMIT 1") ) {
|
|
$time_lastcomment = mysql2date('U', $lasttime);
|
|
$time_newcomment = mysql2date('U', $now_gmt);
|
|
if ( ($time_newcomment - $time_lastcomment) < 15 ) {
|
|
do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment);
|
|
die( __('Sorry, you can only post a new comment once every 15 seconds. Slow down cowboy.') );
|
|
}
|
|
}
|
|
|
|
if ( $userdata && ( $user_id == $post_author || $userdata->user_level >= 9 ) ) {
|
|
$approved = 1;
|
|
} else {
|
|
if ( check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) )
|
|
$approved = 1;
|
|
else
|
|
$approved = 0;
|
|
if ( wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) )
|
|
$approved = 'spam';
|
|
}
|
|
|
|
$approved = apply_filters('pre_comment_approved', $approved);
|
|
|
|
$result = $wpdb->query("INSERT INTO $wpdb->comments
|
|
(comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_date_gmt, comment_content, comment_approved, comment_agent, comment_type, user_id)
|
|
VALUES
|
|
('$comment_post_ID', '$author', '$email', '$url', '$user_ip', '$now', '$now_gmt', '$comment', '$approved', '$user_agent', '$comment_type', '$user_id')
|
|
");
|
|
|
|
$comment_id = $wpdb->insert_id;
|
|
do_action('comment_post', $comment_id, $approved);
|
|
|
|
if ( 'spam' !== $approved ) { // If it's spam save it silently for later crunching
|
|
if ( '0' == $approved )
|
|
wp_notify_moderator($comment_id);
|
|
|
|
if ( get_settings('comments_notify') && $approved )
|
|
wp_notify_postauthor($comment_id, $comment_type);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
function do_trackbacks($post_id) {
|
|
global $wpdb;
|
|
|
|
$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = $post_id");
|
|
$to_ping = get_to_ping($post_id);
|
|
$pinged = get_pung($post_id);
|
|
if ( empty($to_ping) )
|
|
return;
|
|
if (empty($post->post_excerpt))
|
|
$excerpt = apply_filters('the_content', $post->post_content);
|
|
else
|
|
$excerpt = apply_filters('the_excerpt', $post->post_excerpt);
|
|
$excerpt = str_replace(']]>', ']]>', $excerpt);
|
|
$excerpt = strip_tags($excerpt);
|
|
$excerpt = substr($excerpt, 0, 252) . '...';
|
|
|
|
$post_title = apply_filters('the_title', $post->post_title);
|
|
$post_title = strip_tags($post_title);
|
|
|
|
if ($to_ping) : foreach ($to_ping as $tb_ping) :
|
|
$tb_ping = trim($tb_ping);
|
|
if ( !in_array($tb_ping, $pinged) )
|
|
trackback($tb_ping, $post_title, $excerpt, $post_id);
|
|
endforeach; endif;
|
|
}
|
|
|
|
function get_pung($post_id) { // Get URIs already pung for a post
|
|
global $wpdb;
|
|
$pung = $wpdb->get_var("SELECT pinged FROM $wpdb->posts WHERE ID = $post_id");
|
|
$pung = trim($pung);
|
|
$pung = preg_split('/\s/', $pung);
|
|
return $pung;
|
|
}
|
|
|
|
function get_enclosed($post_id) { // Get enclosures already enclosed for a post
|
|
global $wpdb;
|
|
$custom_fields = get_post_custom( $post_id );
|
|
$pung = array();
|
|
if( is_array( $custom_fields ) ) {
|
|
while( list( $key, $val ) = each( $custom_fields ) ) {
|
|
if( $key == 'enclosure' ) {
|
|
if (is_array($val)) {
|
|
foreach($val as $enc) {
|
|
$enclosure = split( "\n", $enc );
|
|
$pung[] = trim( $enclosure[ 0 ] );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $pung;
|
|
}
|
|
|
|
function get_to_ping($post_id) { // Get any URIs in the todo list
|
|
global $wpdb;
|
|
$to_ping = $wpdb->get_var("SELECT to_ping FROM $wpdb->posts WHERE ID = $post_id");
|
|
$to_ping = trim($to_ping);
|
|
$to_ping = preg_split('/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY);
|
|
return $to_ping;
|
|
}
|
|
|
|
function add_ping($post_id, $uri) { // Add a URI to those already pung
|
|
global $wpdb;
|
|
$pung = $wpdb->get_var("SELECT pinged FROM $wpdb->posts WHERE ID = $post_id");
|
|
$pung = trim($pung);
|
|
$pung = preg_split('/\s/', $pung);
|
|
$pung[] = $uri;
|
|
$new = implode("\n", $pung);
|
|
return $wpdb->query("UPDATE $wpdb->posts SET pinged = '$new' WHERE ID = $post_id");
|
|
}
|
|
|
|
?>
|