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functions.php
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<?php
include('settings.php');
function connect(){
mysql_connect($GLOBALS['server'], $GLOBALS['username'], $GLOBALS['password']);
mysql_select_db($GLOBALS['db']);
}
function head(){
$stylesheet = $GLOBALS['stylesheet'];
$blog_name = $GLOBALS['blog_name'];
echo <<<END
<link href="$stylesheet" rel="stylesheet" type="text/css">
</head>
<body>
<h1><a href="index.php">$blog_name</a></h1>
<nav>
<ul>
<li><a href="author.php">Authors</a></li>
<li><a href="tags.php">Tags</a></li>
</ul>
</nav>
END;
}
function footer(){
$tag_cloud = tag_cloud(10);
$blog_name = $GLOBALS['blog_name'];
$date = date('Y');
echo <<<END
<section id="sidebar">
<h3>Subscribe to our posts:</h3>
<form>
<input type="email" placeholder="john@example.com">
<input type="submit" value="Submit">
</form>
<h3>Popular tags:</h3>
$tag_cloud
</section>
<footer>Copyright © $blog_name $date</footer>
END;
}
function q($query,$assoc=1) {
$r = @mysql_query($query);
if( mysql_errno() ) {
$error = 'MYSQL ERROR #'.mysql_errno().' : <small>' . mysql_error(). '</small><br><VAR>$query</VAR>';
echo($error); return FALSE;
}
if( strtolower(substr($query,0,6)) != 'select' ) return array(mysql_affected_rows(),mysql_insert_id());
$count = @mysql_num_rows($r);
if( !$count ) return 0;
if( $count == 1 ) {
if( $assoc ) $f = mysql_fetch_assoc($r);
else $f = mysql_fetch_row($r);
mysql_free_result($r);
if( count($f) == 1 ) {
list($key) = array_keys($f);
return $f[$key];
} else {
$all = array();
$all[] = $f;
return $all;
}
} else {
$all = array();
for( $i = 0; $i < $count; $i++ ) {
if( $assoc ) $f = mysql_fetch_assoc($r);
else $f = mysql_fetch_row($r);
$all[] = $f;
}
mysql_free_result($r);
return $all;
}
}
function password($pass){
if(md5($pass) == $GLOBALS['admin_pass']){
return true;
}else{
return false;
}
}
function word_wrap($text){
$array = explode(" ", $text); // breaking down each word in the $comment into arrays using explode().
// loop to enable me to run each word one by one through word_wrap() and add a space into the word if it is longer than 15 characters.
$str = '';
for ($i = 0, $array_num = count($array); $i < $array_num; $i++) {
$word_split = wordwrap($array[$i], 15, " ", true);
$str = "$str$word_split ";
}
return $str;
}
function recent_blog($no){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT id, date, title, author, content FROM $blogs_table");
$dates = array();
$i = 0;
if ($result == 0){
return 0;
}else{
foreach($result as $row){
$dates[$row['id']] = $row['date'];
$comment_no = count_comments($row['id']);
array_push($result[$i], $comment_no);
$i++;
}
arsort($dates);
$ids = array_keys($dates);
$content = array();
if(sizeof($ids) == 1){
foreach($result as $row){
if($row['id'] == $ids[0]){
$content[] = $row;
}
}
}else{
foreach($ids as $id){
foreach($result as $row){
if($id == $row['id']){
$content[] = $row;
}
}
}
}
$posts = array();
if(sizeof($content) > $no){
for($i = 0; $i<$no; $i++){
$posts[] = $content[$i];
}
}else{
foreach($content as $post){
$posts[] = $post;
}
}
$i = 0;
foreach($posts as $post){
$parts = explode($GLOBALS['break_tag'], $post['content']);
if(sizeof($parts) == 1){
$parts[0] = substr($parts[0], 0, 100);
}
$posts[$i]['content'] = $parts[0];
$i++;
}
return $posts;
}
}
function create_blog($title, $author, $tags, $content, $pass){
if (password($pass)){
$date = $_SERVER['REQUEST_TIME'];
$title = addslashes($title);
$author = addslashes($author);
$tags = addslashes(mb_strtolower($tags));
$content = addslashes($content);
$blogs_table = $GLOBALS['blogs_table'];
if (mysql_query("INSERT INTO $blogs_table (id, date, title, author, tags, content) VALUES (NULL, '$date', '$title', '$author', '$tags', '$content')")) {
return 'Success: <a href="view.php?blog=' . $title . '">' . $title . '</a>';
} else {
return "Failed :(";
}
} else {
return 'Incorrect password.';
}
}
function view_blog($title){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT id, date, title, author, tags, content FROM $blogs_table WHERE title = '$title'");
if ($result) {
$result[0]['content'] = explode($GLOBALS['break_tag'], $result[0]['content']);
$result[0]['content'] = implode('', $result[0]['content']);
$blog = $result[0];
return $blog;
} else {
return 0;
}
}
function tags($tags){
$tags = explode(', ', $tags);
$newtags = array();
foreach($tags as $tag){
$newtags[] = '<a href="tags.php?t=' . $tag . '">' . word_wrap($tag) . '</a>';
}
return implode(', ', $newtags);
}
function view_tags($tag){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT title, tags FROM $blogs_table");
$posts = array();
if ($result) {
foreach($result as $row){
$tags = explode(', ', $row['tags']);
foreach($tags as $tag_tester){
if($tag_tester == $tag){
$posts[] = $row['title'];
}
}
}
$str = "<ul class=\"list\">\n";
foreach($posts as $post){
$str = $str . ' <li><a href="view.php?blog=' . $post . '">' . word_wrap($post) . "</a></li>\n";
}
return $str . " </ul>\n";
} else {
return 0;
}
}
function view_authors($name){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT title FROM $blogs_table WHERE author = '$name'");
$str = "<ul class=\"list\">\n";
if ($result) {
if(is_array($result)){
foreach($result as $post){
$str = $str . ' <li><a href="view.php?blog=' . $post['title'] . '">' . $post['title'] . "</a></li>\n";
}
}else{
$str = $str . ' <li><a href="view.php?blog=' . $result . '">' . word_wrap($result) . "</a></li>\n" ;
}
return $str . " </ul>\n";
} else {
return 0;
}
}
function write_comment($name, $comment, $bid){
$date = $_SERVER['REQUEST_TIME'];
$name = addslashes($name);
$comment = addslashes($comment);
$comments_table = $GLOBALS['comments_table'];
if (mysql_query("INSERT INTO $comments_table (id, bid, name, comment, date) VALUES (NULL, '$bid', '$name', '$comment', '$date')")) {
return 'Success!';
} else {
return "Failed :(";
}
}
function view_comments($bid){
$comments_table = $GLOBALS['comments_table'];
$result = q("SELECT id, name, comment, date FROM $comments_table WHERE bid = '$bid'");
if ($result != false){
$dates = array();
foreach($result as $row){
$dates[$row['id']] = $row['date'];
}
arsort($dates);
$ids = array_keys($dates);
$comments = array();
if(sizeof($ids) == 1){
foreach($result as $row){
if($row['id'] == $ids[0]){
$comments[] = $row;
}
}
}else{
foreach($ids as $id){
foreach($result as $row){
if($id == $row['id']){
$comments[] = $row;
}
}
}
}
return $comments;
}else{
return false;
}
}
function list_tags(){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT tags FROM $blogs_table");
$tags = array();
if($result != 0){
foreach($result as $tag_array){
$tags[] = explode(', ', $tag_array['tags']);
}
$tags_list = array();
foreach($tags as $tag_array){
foreach($tag_array as $tag){
$tags_list[] = $tag;
}
}
return array_unique($tags_list);
}else{
return 0;
}
}
function list_names(){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT author FROM $blogs_table");
$names = array();
if($result != 0){
foreach($result as $name_array){
foreach($name_array as $name){
$names[] = $name;
}
}
return array_unique($names);
}else{
return 0;
}
}
function list_blogs(){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT id, date, title, author FROM $blogs_table");
if($result != 0){
$dates = array();
$i = 0;
foreach($result as $row){
$dates[$row['id']] = $row['date'];
$comment_no = count_comments($row['id']);
array_push($result[$i], $comment_no);
$i++;
}
arsort($dates);
$ids = array_keys($dates);
$content = array();
if(sizeof($ids) == 1){
foreach($result as $row){
if($row['id'] == $ids[0]){
$content[] = $row;
}
}
}else{
foreach($ids as $id){
foreach($result as $row){
if($id == $row['id']){
$content[] = $row;
}
}
}
}
return $content;
}else{
return 0;
}
}
function tag_cloud($no){
$blogs_table = $GLOBALS['blogs_table'];
$result = q("SELECT tags FROM $blogs_table");
$tags = array();
if(is_array($result)){
foreach($result as $tag_array){
$tags[] = explode(', ', $tag_array['tags']);
}
}else{
$tags[] = explode(', ', $result);
}
$tags_list = array();
foreach($tags as $tag_array){
foreach($tag_array as $tag){
$tags_list[] = $tag;
}
}
$unique_tags = array_unique($tags_list);
$tag_frequency = array();
foreach($unique_tags as $tag){
$i = 0;
foreach($tags_list as $tag2){
if($tag == $tag2){
$i++;
}
}
$tag_frequency[] = array($i, $tag);
}
$list_tags = array();
$list_freq = array();
foreach($tag_frequency as $tag_array){
$list_freq[] = $tag_array[0];
$list_tags[] = $tag_array[1];
}
arsort($list_freq);
$tag_rank = array();
reset($list_freq);
$key = true;
$size = sizeof($list_freq);
if($size < $no){
for($i = 0; $i < $size; $i++){
$key = each($list_freq);
$key2 = $key['key'];
$font_size = 100+($list_freq[$i]/sizeof($tags_list))*500;
$font_size = $font_size . '%';
$this_tag = word_wrap($list_tags[$key2]);
$tag_rank[] = " <li style=\"font-size: $font_size;\"><a href=\"tags.php?t=$list_tags[$key2]\" title=\"$list_freq[$i] occurrences\">$this_tag</a></li>\n";
}
}else{
for($i = 0; $i < $no; $i++){
$key = each($list_freq);
$key2 = $key['key'];
$font_size = 100+($list_freq[$i]/sizeof($tags_list))*500;
$font_size = $font_size . '%';
$this_tag = word_wrap($list_tags[$key2]);
$tag_rank[] = " <li style=\"font-size: $font_size;\"><a href=\"tags.php?t=$list_tags[$key2]\" title=\"$list_freq[$i] occurrences\">$this_tag</a></li>\n";
}
}
return "<ol>\n" . implode('', $tag_rank) . " </ol>\n";
}
function count_comments($bid){
$comments_table = $GLOBALS['comments_table'];
$result = q("SELECT id FROM $comments_table WHERE bid = '$bid'");
if($result){
return sizeof($result);
}else{
return 0;
}
}
?>