if(isset($_FILES['new_post_file']) && $_FILES['new_post_file']['name']){

$errors= array();

$file_name = $_FILES['new_post_file']['name'];

$file_size = $_FILES['new_post_file']['size'];

$file_tmp = $_FILES['new_post_file']['tmp_name'];

$file_type = $_FILES['new_post_file']['type'];

$detected_type = exif_imagetype($file_tmp);

$allowedTypes = array(IMAGETYPE_PNG, IMAGETYPE_JPEG, IMAGETYPE_GIF);

if(in_array($detected_type,$allowedTypes)=== false){

return "extension not allowed, please choose a JPEG or PNG file.";

}

if($file_size > 2097152){

return 'File size must be under 2 MB';

}

if(empty($errors)){

move_uploaded_file($file_tmp,$folder."".$id.".png");

return null;

}else{

return "Not able to upload photo";

}

}

return null;

if(isset($_POST["update_post_id"])){

$posting->update_post($_POST["update_post_id"], $_POST["update_post"]);

}

if(isset($_POST["edit_delete_img"])){

$posting->delete_pic($_POST["update_post_id"]);

}

if(isset($_POST["delete_post_id"])){

$posting->delete_post($_POST["delete_post_id"]);

}

$ret_arr = $db->DBSelectAll("user_likes_post", "users_id", array("posts_id"=>$id_post));

$liked = 0;

foreach ($ret_arr as $value) {

if($user_id == $value["users_id"]){

$liked = 1;

break;

}

}

$arr = array("count" => count($ret_arr), "liked" => $liked);

return $arr;

if(isset($_POST["like_post"])){

$posting->like_post($_POST["like_post"], $user_id);

}else if(isset($_POST["unlike_post"])){

$posting->unlike_post($_POST["unlike_post"], $user_id);

}

if(isset($_POST["submit_reg"])){

$name = (isset($_POST["username_reg"])) ? $_POST["username_reg"] : "";

$email = (isset($_POST["email_reg"])) ? $_POST["email_reg"] : "";

$pass1 = (isset($_POST["password_reg"])) ? $_POST["password_reg"] : "";

$pass2 = (isset($_POST["password_reg2"])) ? $_POST["password_reg2"] : "";

$tel = (isset($_POST["tel_reg"])) ? $_POST["tel_reg"] : "";

$info = (isset($_POST["addinfo_reg"])) ? $_POST["addinfo_reg"] : "";

$sex = (isset($_POST["sex_reg"])) ? $_POST["sex_reg"] : 0;

$file = (isset($_FILES["file_reg"])) ? $_FILES["file_reg"] : null;

$from = (isset($_POST["from_reg"])) ? $_POST["from_reg"] : "";

$year = (isset($_POST["year_reg"])) ? $_POST["year_reg"] : 1990;

include_once("classes/register_user.class.php");

$reg_class = new MyRegister();

$error = $reg_class->regUser($name, $email, $pass1, $pass2, $info, $tel, $year, $sex, $from, $file);

return $error;

}

$sort = array();

$sort[] = array("column"=>"startdate", "sort"=>"DESC");

$followed = $db->DBSelectAll("user_folows_user", "users_id1", array("users_id"=>$me_id), "",$sort);

$all_users = $db->DBSelectAll("users", "id, name, email", array());

$unknown = array();

$followed_arr = array();

$all_arr = array();

if($followed != null && count($followed)>0)

foreach ($followed as $value)

$followed_arr[] = $value["users_id1"];

if($all_users != null && count($all_users)>0)

foreach ($all_users as $value)

$all_arr[] = array("id"=>$value["id"], "name"=>$value["name"], "email"=>$value["email"]);

$count = 0;

foreach ($all_arr as $value) {

if(!in_array($value["id"], $followed_arr) && $value["id"]!=$me_id){

$unknown[] = $value;

$count++;

}

if($count>5) break;

}

// ok, found

$you_may_know = "<h3>You may know</h3>";

if(count($unknown) > 0){

$you_may_know .= '<ul>';

foreach ($unknown as $value) {

$img = (file_exists("images/ava/".$value["id"].".png")) ? "images/ava/".$value["id"].".png" :"images/ava/unknown.png";

$you_may_know .= '<li>

<img src="'.$img.'" class="img-circle with_shadow with_border">

<a href="index.php?web=profile&email='.$value["email"].'">'.$value["name"].'</a>

</li>';

}

$you_may_know .= '</ul>';

}else{

$you_may_know .= 'no new profiles';

}

return $you_may_know;

$bit = array(

'years' => $secs / 31556926 % 12,

'weeks' => $secs / 604800 % 52,

'days' => $secs / 86400 % 7,

'hours' => $secs / 3600 % 24,

'minutes' => $secs / 60 % 60,

'seconds' => $secs % 60

);

$last_index = "seconds";

foreach($bit as $k => $v){

if($v > 0){

$last_index = $k;

break;

}

}

return $bit[$last_index]." ".$last_index." ago";

// checking likes

$ret_text = "";

foreach ($posts as $single_post) {

$user_id = (file_exists("images/ava/".$single_post["users_id"].".png")) ? $single_post["users_id"] : "unknown";

$img = "";

$tmp_img = get_image($single_post["id"]);

if($tmp_img) $img = '<div class="post_pictures"><img src="'.$tmp_img.'" class="with_shadow2 img_post" ></div>';

$tmp_arr = $db->DBSelectOne("users", "name, email", array("id"=>$single_post["users_id"]));

$tmp_username = ($tmp_arr) ? $tmp_arr["name"] : "Unknown user";

$check_like = check_post_likes($single_post["id"], $_SESSION["user_id"], $db);

$like_part = get_like($single_post["id"], $check_like);

if(isset($_POST["edit_post_id"]) && $_POST["edit_post_id"]==$single_post["id"]){

$edit_form = edit_post_form($single_post["id"], $db);

}else{

$edit_form = "";

}

$ret_text .= '<div class="single_post">

'.$edit_form.'

<div class="post_avatar"><img src="images/ava/'.$user_id.'.png" class="img-circle"></div>

<div class="post_text">

<div style="float:left;"><h2><a href="index.php?web=profile&email='.$tmp_arr["email"].'">'.$tmp_username.'</a></h2></div>

<div style="float:right;">

'.check_rights($single_post["users_id"], $_SESSION["user_id"], $single_post["id"]).'

</div>

<div class="post_time clear_panel">'.get_time(time() - $single_post["time"]).'</div>

<div>'.$single_post["text"].'<br><br></div>

'.$img.'

<div class="like_counter">

<form method="POST" class="form_nonstyle">

'.$like_part.'

</form></div>';

$all_comments_arr = $db->DBSelectAll("comments", "id, text, time, posts_id, users_id", array("posts_id" => $single_post["id"]));

foreach ($all_comments_arr as $single_comment) {

$commentator = $db->DBSelectOne("users", "id, name, email", array("id"=>$single_comment["users_id"]));

$ret_text .= ' <div class="post_comment">

<div class="comment_avatar"><img src="'.get_ava($commentator["id"]).'" class="img-circle"></div>

<div class="comment_text">

<div style="float:left; font-weight:bold;"><a href="index.php?web=profile&email='.$commentator["email"].'">'.$commentator["name"].'</a></div>

<div class="post_time" style="float:right;">'.get_time(time() - $single_comment["time"]).'</div>

<div style="clear:both;"></div>

'.$single_comment["text"].'

</div>

<div class="clear_panel min_size"></div>

</div>';

}

$ret_text .= '</div>

<div class="clear_panel min_size"></div>

<div class="new_comment">

<form method="POST" class="new_comment_form" name="new_comment_form" onsubmit="return validate_textarea_newcomment()">

<textarea rows="2" cols="90" maxlength="300" name="comment_textarea" class="form-control" placeholder="Write a comment..."></textarea>

<input type="hidden" value="'.$single_post["id"].'" name="post_id">

<input type="submit" value="Comment" class="btn btn-primary">

</form>

</div>

<div class="clear_panel"></div></div>'; // end single_post,

}

return $ret_text;

if($check_like["liked"]){ // already liked -> unlike

$name = "unlike_post";

$like_icon = "liked_icon";

}else{

$name = "like_post";

$like_icon = "unliked_icon";

}

$liked = '<input type="hidden" name="'.$name.'" value="'.$post_id.'">

<button type="submit"><span class="glyphicon glyphicon-heart '.$like_icon.'"></span></button>

'.$check_like["count"].' Likes';

return $liked;

if($idA == $idB){

return '<form method="post" class="form_nonstyle">

<input type="hidden" name="edit_post_id" value="'.$post_id.'">

<button type="submit"><span class="glyphicon glyphicon-pencil post_edit"></span></button>

</form>

<form method="post" class="form_nonstyle" onsubmit="return confirm(\'Do you really want to delete the post?\');">

<input type="hidden" name="delete_post_id" value="'.$post_id.'">

<button type="submit"><span class="glyphicon glyphicon-remove post_delete"></span></button>

</form>';

}else{

return '';

}

if(file_exists("images/post/".$post_id.".png")){

$img = '<input type="checkbox" name="edit_delete_img"> Delete the image</checkbox>';

}else{

$img = '<input type="checkbox" name="edit_delete_img" disabled> Delete the image</checkbox>';

}

$text_arr = $db->DBSelectOne("posts","text", array("id"=>$post_id));

$text = $text_arr["text"];

return '<div class="edit_div_form">

<form method="POST" class="edit_post_form">

<textarea rows="4" cols="90" maxlength="1000" name="update_post" class="form-control">'.$text.'</textarea>

<input type="hidden" value="'.$post_id.'" name="update_post_id">

</br>

<div style="float:left;">

'.$img.'

</div>

<div style="float:right;">

<input type="submit" value="Update" class="btn btn-primary">

</div>

<div class="clear_panel" style="margin-bottom:20px;"></div>

</form>

</div>';

$user_sex = ($user_data["sex"] == 1) ? "Male": "Female";

$user_info_arr = array( "sex"=>"glyphicon-heart-empty",

"age"=>"glyphicon-calendar",

"phone"=>"glyphicon-earphone",

"address"=>"glyphicon-map-marker"

);//

$user_info_arr_suffix = array( "sex"=>"",

"age"=>" years",

"phone"=>"",

"address"=>"",

);

$more_infos = '<h1>About me</h1>

<ul>';

foreach ($user_info_arr as $key => $value) {

if(array_key_exists($key, $user_data) && $user_data[$key]!=null && strlen($user_data[$key])>0){

$tmp_data = $user_data[$key];

switch($key){

case "sex":

$tmp_data = ($tmp_data) ? "Male" : "Female";

break;

case "age":

$tmp_data = (date('Y')-$tmp_data);

break;

}

$more_infos .= '<li><span class="glyphicon '.$value.'"></span> '.$tmp_data.$user_info_arr_suffix[$key].'</li>';

}

}

$more_infos .= '</ul>';

return $more_infos;

// delete all his comments

$db->DBDelete("comments", array("users_id"=>$user_id));

// delete all his posts with its comments

// get all his posts

$all_posts = $db->DBSelectAll("posts", "id", array("users_id"=>$user_id));

if($all_posts != null && count($all_posts) > 0){

foreach ($all_posts as $value) {

// get all its comments

$all_comments = $db->DBSelectAll("comments", "id", array("posts_id"=>$value["id"]));

// delete them all

if($all_comments != null && count($all_comments) > 0){

foreach ($all_comments as $com) {

$db->DBDelete("comments", array("id"=>$com["id"]));

}

}

// delete the post

$db->DBDelete("posts", array("id"=>$value["id"]));

// delete its pic

$img_to_del = "images/post/".$value["id"].".png";

if(file_exists($img_to_del)){

$file = "test.txt";

unlink($img_to_del);

}

}

}

// delete his ava

$img_to_del = "images/ava/".$user_id.".png";

if(file_exists($img_to_del)){

$file = "test.txt";

unlink($img_to_del);

}

// delete him

$db->DBDelete("users", array("id"=>$user_id));