functions.php

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	$newvalue = stripslashes($newvalue);
	$newvalue = trim($newvalue); // I can't think of any situation we wouldn't want to trim
	$newvalue = $wpdb->escape($newvalue);
	$wpdb->query("UPDATE $tableoptions SET option_value = '$newvalue' WHERE option_name = '$option_name'");
	$cache_settings = get_alloptions(); // Re cache settings
	return true;
}


// thx Alex Stapleton, http://alex.vort-x.net/blog/
function add_option($name, $value='') {
	// Adds an option if it doesn't already exist
	global $wpdb, $tableoptions;
	if(!get_settings($name)) {
		$name = $wpdb->escape($name);
		$value = $wpdb->escape($value);
		$wpdb->query("INSERT INTO $tableoptions (option_name, option_value) VALUES ('$name', '$value')");

		if($wpdb->insert_id) {
			global $cache_settings;
			$cache_settings->{$name} = $value;
		}
	}
	return;
}

function delete_option($name) {
	global $wpdb, $tableoptions, $tableoptiongroup_options;
	// Get the ID, if no ID then return
	$option_id = $wpdb->get_var("SELECT option_id FROM $tableoptions WHERE option_name = '$name'");
	if (!$option_id) return false;
	$wpdb->query("DELETE FROM $tableoptiongroup_options WHERE option_id = '$option_id'");
	$wpdb->query("DELETE FROM $tableoptions WHERE option_name = '$name'");
	return true;
}

function get_postdata($postid) {
	global $post, $tableposts, $wpdb;

	$post = $wpdb->get_row("SELECT * FROM $tableposts WHERE ID = '$postid'");
	
	$postdata = array (
		'ID' => $post->ID, 
		'Author_ID' => $post->post_author, 
		'Date' => $post->post_date, 
		'Content' => $post->post_content, 
		'Excerpt' => $post->post_excerpt, 
		'Title' => $post->post_title, 
		'Category' => $post->post_category,
		'Lat' => $post->post_lat,
		'Lon' => $post->post_lon,
		'post_status' => $post->post_status,
		'comment_status' => $post->comment_status,
		'ping_status' => $post->ping_status,
		'post_password' => $post->post_password,
		'to_ping' => $post->to_ping,
		'pinged' => $post->pinged,
		'post_name' => $post->post_name
	);
	return $postdata;
}

function get_commentdata($comment_ID,$no_cache=0,$include_unapproved=false) { // less flexible, but saves DB queries
	global $postc,$id,$commentdata,$tablecomments, $wpdb;
	if ($no_cache) {
		$query = "SELECT * FROM $tablecomments WHERE comment_ID = '$comment_ID'";
		if (false == $include_unapproved) {
		    $query .= " AND comment_approved = '1'";
		}
    		$myrow = $wpdb->get_row($query, ARRAY_A);
	} else {
		$myrow['comment_ID']=$postc->comment_ID;
		$myrow['comment_post_ID']=$postc->comment_post_ID;
		$myrow['comment_author']=$postc->comment_author;
		$myrow['comment_author_email']=$postc->comment_author_email;
		$myrow['comment_author_url']=$postc->comment_author_url;
		$myrow['comment_author_IP']=$postc->comment_author_IP;
		$myrow['comment_date']=$postc->comment_date;
		$myrow['comment_content']=$postc->comment_content;
		$myrow['comment_karma']=$postc->comment_karma;
		if (strstr($myrow['comment_content'], '<trackback />')) {
			$myrow['comment_type'] = 'trackback';
		} elseif (strstr($myrow['comment_content'], '<pingback />')) {
			$myrow['comment_type'] = 'pingback';
		} else {
			$myrow['comment_type'] = 'comment';
		}
	}
	return $myrow;
}

function get_catname($cat_ID) {
	global $tablecategories, $cache_catnames, $wpdb;
	if ( !$cache_catnames ) {
        $results = $wpdb->get_results("SELECT * FROM $tablecategories") or die('Oops, couldn\'t query the db for categories.');
		foreach ($results as $post) {
			$cache_catnames[$post->cat_ID] = $post->cat_name;
		}
	}
	$cat_name = $cache_catnames[$cat_ID];
	return $cat_name;
}

function gzip_compression() {
	global $gzip_compressed;
	if (strstr($_SERVER['PHP_SELF'], 'wp-admin')) return true;
		if (!$gzip_compressed) {
		$phpver = phpversion(); //start gzip compression
		if($phpver >= "4.0.4pl1") {
			if(extension_loaded("zlib")) { 
				ob_start("ob_gzhandler"); 
			}
		} else if($phpver > "4.0") {
			if(strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')) {
				if(extension_loaded("zlib")) { 
					$do_gzip_compress = TRUE; 
					ob_start(); 
					ob_implicit_flush(0); 
					header("Content-Encoding: gzip");
				}
			}
		} //end gzip compression - that piece of script courtesy of the phpBB dev team
		$gzip_compressed=1;
	}
}


// functions to count the page generation time (from phpBB2)
// ( or just any time between timer_start() and timer_stop() )

function timer_start() {
    global $timestart;
    $mtime = microtime();
    $mtime = explode(" ",$mtime);
    $mtime = $mtime[1] + $mtime[0];
    $timestart = $mtime;
    return true;
}

function timer_stop($display=0,$precision=3) { //if called like timer_stop(1), will echo $timetotal
    global $timestart,$timeend;
    $mtime = microtime();
    $mtime = explode(" ",$mtime);
    $mtime = $mtime[1] + $mtime[0];
    $timeend = $mtime;
    $timetotal = $timeend-$timestart;
    if ($display)
        echo number_format($timetotal,$precision);
    return $timetotal;
}

function weblog_ping($server = '', $path = '') {
	$debug = false;
	include_once (ABSPATH . WPINC . '/class-xmlrpc.php');
	include_once (ABSPATH . WPINC . '/class-xmlrpcs.php');

	$f = new xmlrpcmsg('weblogUpdates.ping',
		array(new xmlrpcval(get_settings('blogname'), 'string'),
			new xmlrpcval(get_settings('home') ,'string')));
	$c = new xmlrpc_client($path, $server, 80);
	$r = $c->send($f);

	if ('0' != $r) {	
		if ($debug) {
			echo "<h3>Response Object Dump:</h3>
				<pre>\n";
			print_r($r);
			echo "</pre>\n";
		}

		$v = @phpxmlrpc_decode($r->value());
		if (!$r->faultCode()) {
			$result['message'] =  "<p class=\"rpcmsg\">";
			$result['message'] = $result['message'] .  $v["message"] . "<br />\n";
			$result['message'] = $result['message'] . "</p>";
		} else {
			$result['err'] = $r->faultCode();
			$result['message'] =  "<!--\n";
			$result['message'] = $result['message'] . "Fault: ";
			$result['message'] = $result['message'] . "Code: " . $r->faultCode();
			$result['message'] = $result['message'] . " Reason '" .$r->faultString()."'<BR>";
			$result['message'] = $result['message'] . "-->\n";
		}

		if ($debug) print '<blockquote>' . $result['message'] . '</blockquote>';
	}
}

function generic_ping($post_id = 0) {
	$services = get_settings('ping_sites');
	$services = preg_replace("|(\s)+|", '$1', $services); // Kill dupe lines
	$services = trim($services);
	if ('' != $services) {
		$services = explode("\n", $services);
		foreach ($services as $service) {
			$uri = parse_url($service);
			weblog_ping($uri['host'], $uri['path']);
		}
	}
}

add_action('publish_post', 'generic_ping');

// Send a Trackback
function trackback($trackback_url, $title, $excerpt, $ID) {
	global $wpdb, $tableposts;
	$title = urlencode(stripslashes($title));
	$excerpt = urlencode(stripslashes($excerpt));
	$blog_name = urlencode(stripslashes(get_settings('blogname')));
	$tb_url = $trackback_url;
	$url = urlencode(get_permalink($ID));
	$query_string = "title=$title&url=$url&blog_name=$blog_name&excerpt=$excerpt";
	$trackback_url = parse_url($trackback_url);
	$http_request  = 'POST ' . $trackback_url['path'] . $trackback_url['query'] . " HTTP/1.0\r\n";
	$http_request .= 'Host: '.$trackback_url['host']."\r\n";
	$http_request .= 'Content-Type: application/x-www-form-urlencoded'."\r\n";
	$http_request .= 'Content-Length: '.strlen($query_string)."\r\n";
	$http_request .= "\r\n";
	$http_request .= $query_string;
	$fs = @fsockopen($trackback_url['host'], 80);
	@fputs($fs, $http_request);
/*
	$debug_file = 'trackback.log';
	$fp = fopen($debug_file, 'a');
	fwrite($fp, "\n*****\nRequest:\n\n$http_request\n\nResponse:\n\n");
	while(!@feof($fs)) {
		fwrite($fp, @fgets($fs, 4096));
	}
	fwrite($fp, "\n\n");
	fclose($fp);
*/
	@fclose($fs);

	$wpdb->query("UPDATE $tableposts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = '$ID'");
	$wpdb->query("UPDATE $tableposts SET to_ping = REPLACE(to_ping, '$tb_url', '') WHERE ID = '$ID'");
	return $result;
}

// trackback - reply
function trackback_response($error = 0, $error_message = '') {
	if ($error) {
		echo '<?xml version="1.0" encoding="iso-8859-1"?'.">\n";
		echo "<response>\n";
		echo "<error>1</error>\n";
		echo "<message>$error_message</message>\n";
		echo "</response>";
	} else {
		echo '<?xml version="1.0" encoding="iso-8859-1"?'.">\n";
		echo "<response>\n";
		echo "<error>0</error>\n";
		echo "</response>";
	}
	die();
}

function make_url_footnote($content) {
	preg_match_all('/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches);
	$j = 0;
	for ($i=0; $i<count($matches[0]); $i++) {
		$links_summary = (!$j) ? "\n" : $links_summary;
		$j++;
		$link_match = $matches[0][$i];
		$link_number = '['.($i+1).']';
		$link_url = $matches[2][$i];
		$link_text = $matches[4][$i];
		$content = str_replace($link_match, $link_text.' '.$link_number, $content);
		$link_url = (strtolower(substr($link_url,0,7)) != 'http://') ? get_settings('home') . $link_url : $link_url;
		$links_summary .= "\n".$link_number.' '.$link_url;
	}
	$content = strip_tags($content);
	$content .= $links_summary;
	return $content;
}


function xmlrpc_getposttitle($content) {
	global $post_default_title;
	if (preg_match('/<title>(.+?)<\/title>/is', $content, $matchtitle)) {
		$post_title = $matchtitle[0];
		$post_title = preg_replace('/<title>/si', '', $post_title);
		$post_title = preg_replace('/<\/title>/si', '', $post_title);
	} else {
		$post_title = $post_default_title;
	}
	return $post_title;
}
	
function xmlrpc_getpostcategory($content) {
	global $post_default_category;
	if (preg_match('/<category>(.+?)<\/category>/is', $content, $matchcat)) {
		$post_category = $matchcat[0];
		$post_category = preg_replace('/<category>/si', '', $post_category);
		$post_category = preg_replace('/<\/category>/si', '', $post_category);

	} else {
		$post_category = $post_default_category;
	}
	return $post_category;
}

function xmlrpc_removepostdata($content) {
	$content = preg_replace('/<title>(.+?)<\/title>/si', '', $content);
	$content = preg_replace('/<category>(.+?)<\/category>/si', '', $content);
	$content = trim($content);
	return $content;
}

function debug_fopen($filename, $mode) {
	global $debug;
	if ($debug == 1) {
		$fp = fopen($filename, $mode);
		return $fp;
	} else {
		return false;
	}
}

function debug_fwrite($fp, $string) {
	global $debug;
	if ($debug == 1) {
		fwrite($fp, $string);
	}
}

function debug_fclose($fp) {
	global $debug;
	if ($debug == 1) {
		fclose($fp);
	}
}

function pingback($content, $post_ID) {
include_once (ABSPATH . WPINC . '/class-xmlrpc.php');
include_once (ABSPATH . WPINC . '/class-xmlrpcs.php');
	// original code by Mort (http://mort.mine.nu:8080)
	global $wp_version;
	$log = debug_fopen('./pingback.log', 'a');
	$post_links = array();
	debug_fwrite($log, 'BEGIN '.time()."\n");

	// Variables