<?php 
//https&#58;//www.w3schools.com/whatis/tryit.asp?filename=trywhatis_bootstrap_table&stacked=h
//Required PHP Files. 
include 'header_account.php'; //Required on all webpages of the Account. 
?>

<?php 
if (!$conn) 
{ 
$error = mysqli_connect_error(); 
$errno = mysqli_connect_errno(); 
print "$errno&#58; $error\n"; 
exit(); 
} 

// Get the total number of records from our table "students". 
$total_pages = $conn->query('SELECT * FROM browsing_histories')->num_rows; 

// Check if the page number is specified and check if it's a number, if not return the default page number which is 1. 
$page_number = isset($_GET['page_number'&#93;) && is_numeric($_GET['page_number'&#93;) ? $_GET['page_number'&#93; &#58; 1; 
//Number of results to show on each page. 
$num_results_on_page = 25; 

if ($stmt_1 = $conn->prepare('SELECT * FROM browsing_histories ORDER BY id LIMIT ?,?')) { 
// Calculate the page to get the results we need from our table. 
$calc_page = ($page_number - 1) * $num_results_on_page; 
$stmt_1->bind_param('ii', $calc_page, $num_results_on_page); 
$stmt_1->execute(); 
//Get the results...
$result = $stmt_1->get_result();  //Do not make this into $result_1 as there is only 1 $result on this page. 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_http = $_SERVER['HTTP_REFERER'&#93;; //This fails to capture the Query String! 

if(!empty($_SERVER['QUERY_STRING'&#93;)) 
{ 
$query_string = $_SERVER['QUERY_STRING'&#93;; 

//$referral_page = "$referral_page_http?$query_string"; //Added the Query String. 
$referral_page = "$referral_page_http"; //No Query String. 

$referral_page_original = "$referral_page"; //Query String included in Url. 
$referral_page_to_convert = "$referral_page_original"; //Query String included in Url. 

$current_page_http = $_SERVER["PHP_SELF"&#93;; //Fails to add query strings on dynamic pages' urls. Fails to go beyond the "?". Only displays my proxy's url. Not the proxied url. Eg. Only shows&#58; Eg. http&#58;//www.proxy.com/proxify_url? 
$current_page = "$current_page_http?$query_string"; //Added the Query String. Added the query string to add the proxied url onto my proxy's url. So now, the url includes both proxy's url and the proxied url. Eg. http&#58;//www.proxy.com/proxify_url?http&#58;//www.example.com 
//$current_page = "$current_page_http"; //No Query String. 

$current_page_original = "$current_page"; //Query String included in Url. Url includes proxy's url and proxied url. 
$current_page_non_proxied = "$query_string"; //Url only includes proxied url's actual url. Excludes the proxy's url. 
$current_page_to_convert = "$current_page_non_proxied"; //Convert only the proxied url's actual url. And not the proxy's url. 
} 
else 
{ 
$referral_page = "$referral_page_http"; //Added NO Query String. 
$referral_page_original = "$referral_page"; //Query String NOT included in Url. 
$referral_page_to_convert = "$referral_page_original"; //Query String NOT included in Url. 

$current_page_http = $_SERVER["PHP_SELF"&#93;; //Fails to add query strings on dynamic pages' urls. Fails to go beyond the "?". Only displays my proxy's url. Not the proxied url. Eg. Only shows&#58; Eg. http&#58;//www.proxy.com/proxify_url? 
$current_page = "$current_page_http"; //Url only includes my proxy's url. Eg. http&#58;//www.proxy.com/proxify_url? and not http&#58;//www.proxy.com/proxify_url?http&#58;//www.example.com 

$current_page_original = "$current_page"; //Query String NOT included in Url. Url includes proxy's url and NOT the proxied url. 
$current_page_to_convert = "$current_page"; //Converting only the proxy's actual url. And not the proxied url as it NOT exists in the url. 
} 
} 
else 
{ 
if(!empty($_SERVER['QUERY_STRING'&#93;)) 
{ 
$query_string = $_SERVER['QUERY_STRING'&#93;; 

$current_page_http = $_SERVER["PHP_SELF"&#93;; //Fails to add query strings on dynamic pages' urls. Fails to go beyond the "?". Only displays my proxy's url. Not the proxied url. Eg. Only shows&#58; Eg. http&#58;//www.proxy.com/proxify_url? 
//$current_page = "$current_page_http?$query_string"; //Added the Query String. Added the query string to add the proxied url onto my proxy's url. So now, the url includes both proxy's url and the proxied url. Eg. http&#58;//www.proxy.com/proxify_url?http&#58;//www.example.com 
$current_page = "$current_page_http"; //No Query String. 

$current_page_original = "$current_page"; //Query String included in Url. Url includes proxy's url and proxied url. 
$current_page_non_proxied = "$query_string"; //Url only includes proxied url's actual url. Excludes the proxy's url. 
$current_page_to_convert = "$current_page_non_proxied"; //Convert only the proxied url's actual url. And not the proxy's url. 
} 
else 
{ 
$current_page_http = $_SERVER["PHP_SELF"&#93;; //Fails to add query strings on dynamic pages' urls. Fails to go beyond the "?". Only displays my proxy's url. Not the proxied url. Eg. Only shows&#58; Eg. http&#58;//www.proxy.com/proxify_url? 
$current_page = "$current_page_http"; //Url only includes my proxy's url. Eg. http&#58;//www.proxy.com/proxify_url? and not http&#58;//www.proxy.com/proxify_url?http&#58;//www.example.com 

$current_page_original = "$current_page"; //Query String NOT included in Url. Url includes proxy's url and NOT the proxied url. 
$current_page_to_convert = "$current_page"; //Converting only the proxy's actual url. And not the proxied url as it NOT exists in the url. 
} 
} 

if(empty($visiting_pages_count)) 
{ 
$visiting_pages_count = "1"; 
} 
else 
{ 
$visiting_pages_count++; 
} 

if($visiting_pages_count == "1") 
{ 
$current_page_converted = "$settings_user_first_quick_link"."$current_page_to_convert"; 
if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_user_first_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "2") 
{ 
$current_page_converted = "$settings_admin_second_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_admin_second_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "3") 
{ 
$current_page_converted = "$settings_user_third_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_user_third_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "4") 
{ 
$current_page_converted = "$settings_admin_fourth_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_admin_fourth_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "5") 
{ 
$current_page_converted = "$settings_user_fifth_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_user_fifth_quick_link"."$referral_page_to_convert"; 
} 
}  
elseif($visiting_pages_count == "6") 
{ 
$current_page_converted = "$settings_admin_first_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_admin_first_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "7") 
{ 
$current_page_converted = "$settings_user_second_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_user_second_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "8") 
{ 
$current_page_converted = "$settings_admin_third_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_admin_third_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "9") 
{ 
$current_page_converted = "$settings_user_fourth_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_user_fourth_quick_link"."$referral_page_to_convert"; 
} 
} 
elseif($visiting_pages_count == "10") 
{ 
$current_page_converted = "$settings_admin_fifth_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_admin_fifth_quick_link"."$referral_page_to_convert"; 
} 
}  
elseif($visiting_pages_count = "1")  
{ 
$current_page_converted = "$settings_user_first_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_user_first_quick_link"."$referral_page_to_convert"; 
} 
} 
else 
{ 
$visiting_pages_count = "1"; 
$current_page_converted = "$settings_user_first_quick_link"."$current_page_to_convert"; 

if(!empty($_SERVER['HTTP_REFERER'&#93;)) 
{ 
$referral_page_converted = "$settings_user_first_quick_link"."$referral_page_to_convert"; 
} 
} 

$followed_page_original = "$current_page_original"; 
$followed_page_converted = "$current_page_converted"; 

$follower_username = $user; 
$follower_browser = $_SERVER['HTTP_USER_AGENT'&#93;; 

//Insert the User's Click Logs into Mysql Database using Php's Sql Injection Prevention Method "Prepared Statements". 
//All entries related to the "Follower" apart from "followee_username" and "followee_browsed_page_converted". 
$stmt_2 = mysqli_prepare($conn,"INSERT INTO trailing_histories(query_type,followed_word,query_string,followed_page_original,followed_page_non_proxied,followed_page_converted,referral_page_original,referral_page_non_proxied,referral_page_converted,followee_username,username,gender,age_range,date_of_birth,skin_complexion,height,weight,sexual_orientation,religion,education,profession,marital_status,working_status,country_of_birth,home_town,home_neighbourhood,home_borough,home_council,home_city,home_county,home_district,home_region,home_state,home_country) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)"); 
mysqli_stmt_bind_param($stmt_2,'sssssssssssssiisssssssssssssssssss',$query_type,$followed_word,$query_string,$followed_page_original,$followed_page_non_proxied,$followed_page_converted,$referral_page_original,$referral_page_non_proxied,$referral_page_converted,$followee_username,$username,$gender,$age_range,$date_of_birth,$skin_complexion,$height,$weight,$sexual_orientation,$religion,$education,$profession,$marital_status,$working_status,$country_of_birth,$home_town,$home_neighbourhood,$home_borough,$home_council,$home_city,$home_county,$home_district,$home_region,$home_state,$home_country); 
mysqli_stmt_execute($stmt_2); 

//Check if User's Click Logs have been successfully submitted or not. 
if (!$stmt_2) 
{ 
die("<h3 style='text-align&#58;center'> 
ERROR 1&#58; Sorry! Our system is currently experiencing a problem logging your trailing!<br> 
SUGGESTION&#58; Try visiting this page another time.</h3>"); 
} 
else 
{ 
mysqli_stmt_close($stmt_2);
} 
?>

<!DOCTYPE html>
<html>
<head>
<title><?php echo "Browsing History in $server_time Time.";?></title>
<meta content="text/html; charset=ISO-8859-1" http-equiv=" content-type">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
html {
font-family; Tahoma, Geneva, sans-serif;
padding: 20px;
background-color: #F8F9F9;
}
table {
border-collapse: collapse;
width: 500px;
}
td, th {
padding: 10px;
}
th {
background-color: #54585d;
color: #ffffff;
font-weight: bold;
font-size: 13px;
border: 1px solid #54585d;
}
td {
color: #636363;
border: 1px solid #dddfe1;
}
tr {
background-color: #f9fafb;
}
tr:nth-child(odd) {
background-color: #ffffff;
}
.pagination {
list-style-type: none;
padding: 10px 0;
display: inline-flex;
justify-content: space-between;
box-sizing: border-box;
}
.pagination li {
box-sizing: border-box;
padding-right: 10px;
}
.pagination li a {
box-sizing: border-box;
background-color: #e2e6e6;
padding: 8px;
text-decoration: none;
font-size: 12px;
font-weight: bold;
color: #616872;
border-radius: 4px;
}
.pagination li a:hover {
background-color: #d4dada;
}
.pagination .next a, .pagination .prev a {
text-transform: uppercase;
font-size: 12px;
}
.pagination .currentpage a {
background-color: #518acb;
color: #fff;
}
.pagination .currentpage a:hover {
background-color: #518acb;
}
</style>
</head>
<body>
<p align="center"><span style="font-weight:bold;"><?php echo "Search Result for&#58;<br> \"All Users\""; ?></span></p>
<br>
<br>
<table>
<tr>
<th>Submission Number</th>
<th>Date & Time</th>
<th>Query Type</th>
<th>Followed Word</th>
<th>Query String</th>
<th>Browsed Page Original</th>
<th>Browsed Page Non-Proxied</th>
<th>Browsed Page Converted</th>
<th>Referral Page Original</th>
<th>Referral Page Non-Proxied</th>
<th>Referral Page Converted</th>
<th>Username</th>
<th>Gender</th>
<th>Age Range</th>
<th>Date Of Birth</th>
<th>Skin Complexion</th>
<th>Height</th>
<th>Weight</th>
<th>Sexual Orientation</th>
<th>Religion</th>
<th>Education</th>
<th>Profession</th>
<th>Marital Status</th>
<th>Working Status</th>
<th>Country Of Birth</th>
<th>Home Town</th>
<th>Home Neighbourhood</th>
<th>Home Borough</th>
<th>Home Council</th>
<th>Home City</th>
<th>Home County</th>
<th>Home District</th>
<th>Home Region</th>
<th>Home State</th>
<th>Home Country</th>
</tr>
<?php while ($row = $result->fetch_assoc())&#58; ?>
<tr>
<td><?php echo $row['id'&#93;; ?></td>
<td><?php echo $row['date_and_time'&#93;; ?></td>
<td><?php echo $row['query_type'&#93;; ?></td>
<td><?php echo $row['followed_word'&#93;; ?></td>
<td><?php echo $row['query_string'&#93;; ?></td>
<?php //Browsed Page Original contains both Proxy's Url and Proxied Url. ?>
<td><a href="follower_browser.php?followee_username=<?php echo $row['username'&#93;; ?>&page_type=browsed_page_original&browsed_page_original=<?php echo $row['browsed_page_original'&#93;; ?>"><?php echo $row['browsed_page_original'&#93;; ?></a></td>
<?php //Browsed Page Non-Proxied contains Direct Url. ?>
<td><a href="follower_browser.php?followee_username=<?php echo $row['username'&#93;; ?>&page_type=browsed_page_non_proxied&browsed_page_non_proxied=<?php echo $row['browsed_page_non_proxied'&#93;; ?>"><?php echo $row['browsed_page_non_proxied'&#93;; ?></a></td>
<?php //Browsed Page Converted contains only Proxied Url. ?>
<td><a href="follower_browser.php?followee_username=<?php echo $row['username'&#93;; ?>&page_type=browsed_page_converted&browsed_page_converted=<?php echo $row['browsed_page_converted'&#93;; ?>"><?php echo $row['browsed_page_converted'&#93;; ?></a></td>
<?php //Referral Page Original contains only Proxied Url. And so preceding the Proxy's Url onto the url from the followee_browser.php page. Check that page's source code. ?>
<td><a href="follower_browser.php?followee_username=<?php echo $row['username'&#93;; ?>&page_type=referral_page_original&referral_page_original=<?php echo $row['referral_page_original'&#93;; ?>"><?php echo $row['referral_page_original'&#93;; ?></a></td>
<?php //Browsed Page Non-Proxied contains Direct Url. ?>
<td><a href="follower_browser.php?followee_username=<?php echo $row['username'&#93;; ?>&page_type=referral_page_non_proxied&browsed_page_non_proxied=<?php echo $row['referral_page_non_proxied'&#93;; ?>"><?php echo $row['referral_page_non_proxied'&#93;; ?></a></td>
<?php //Referral Page contains only Proxied Url. ?>
<td><a href="follower_browser.php?followee_username=<?php echo $row['username'&#93;; ?>&page_type=referral_page_converted&referral_page_converted=<?php echo $row['referral_page_converted'&#93;; ?>"><?php echo $row['referral_page_converted'&#93;; ?></a></td>
<td><a href="profile.php?followee_username=<?php echo $row['username'&#93;; ?>"><?php echo $row['username'&#93;; ?></a></td>
<td><?php echo $row['gender'&#93;; ?></td>
<td><?php echo $row['age_range'&#93;; ?></td>
<td><?php echo $row['date_of_birth'&#93;; ?></td>
<td><?php echo $row['skin_complexion'&#93;; ?></td>
<td><?php echo $row['height'&#93;; ?></td>
<td><?php echo $row['weight'&#93;; ?></td>
<td><?php echo $row['sexual_orientation'&#93;; ?></td>
<td><?php echo $row['religion'&#93;; ?></td>
<td><?php echo $row['education'&#93;; ?></td>
<td><?php echo $row['profession'&#93;; ?></td>
<td><?php echo $row['marital_status'&#93;; ?></td>
<td><?php echo $row['working_status'&#93;; ?></td>
<td><?php echo $row['country_of_birth'&#93;; ?></td>
<td><?php echo $row['home_town'&#93;; ?></td>
<td><?php echo $row['home_neighbourhood'&#93;; ?></td>
<td><?php echo $row['home_borough'&#93;; ?></td>
<td><?php echo $row['home_council'&#93;; ?></td>
<td><?php echo $row['home_city'&#93;; ?></td>
<td><?php echo $row['home_county'&#93;; ?></td>
<td><?php echo $row['home_district'&#93;; ?></td>
<td><?php echo $row['home_region'&#93;; ?></td>
<td><?php echo $row['home_state'&#93;; ?></td>
<td><?php echo $row['home_country'&#93;; ?></td>
</tr>
<?php endwhile; ?>
</table>
<?php if (ceil($total_pages / $num_results_on_page) > 0)&#58; ?>
<ul class="pagination">
<?php if ($page_number > 1)&#58; ?>
<li class="prev"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=<?php echo $page-1 ?>">Prev</a></li>
<?php endif; ?>

<?php if ($page_number > 3)&#58; ?>
<li class="start"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=1">1</a></li>
<li class="dots">...</li>
<?php endif; ?>

<?php if ($page_number-2 > 0)&#58; ?><li class="page"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=<?php echo $page_number-2 ?>"><?php echo $page_number-2 ?></a></li><?php endif; ?>
<?php if ($page_number-1 > 0)&#58; ?><li class="page"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=<?php echo $page_number-1 ?>"><?php echo $page_number-1 ?></a></li><?php endif; ?>

<li class="currentpage"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?<?php echo $page_number; ?>"><?php echo $page_number ?></a></li>

<?php if ($page_number+1 < ceil($total_pages / $num_results_on_page)+1)&#58; ?><li class="page"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=<?php echo $page_number+1 ?>"><?php echo $page_number+1 ?></a></li><?php endif; ?>
<?php if ($page_number+2 < ceil($total_pages / $num_results_on_page)+1)&#58; ?><li class="page"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=<?php echo $page_number+2 ?>"><?php echo $page_number+2 ?></a></li><?php endif; ?>

<?php if ($page_number < ceil($total_pages / $num_results_on_page)-2)&#58; ?>
<li class="dots">...</li>
<li class="end"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=<?php echo ceil($total_pages / $num_results_on_page) ?>"><?php echo ceil($total_pages / $num_results_on_page) ?></a></li>
<?php endif; ?>

<?php if ($page_number < ceil($total_pages / $num_results_on_page))&#58; ?>
<li class="next"><a href="<?php echo "{$_SERVER['PHP_SELF'&#93;}" ;?>?page_number=<?php echo $page_number+1 ?>">Next</a></li>
<?php endif; ?>
</ul>
<?php endif; ?>
</body>
</html>
<?php 
$stmt_1->close(); 
} 
?>

<?php 
include 'footer_account.php'; //Required on all webpages of the Account. 
?>

<?php 
//https&#58;//www.w3schools.com/whatis/tryit.asp?filename=trywhatis_bootstrap_table&stacked=h
//Required PHP Files. 
include 'header_account.php'; //Required on all webpages of the Account. 
?>

<?php 
if (!$conn) 
{ 
$error = mysqli_connect_error(); 
$errno = mysqli_connect_errno(); 
print "$errno&#58; $error\n"; 
exit(); 
} 

$query_type = $_GET['query_type'&#93;; 

//If $_GET['query_type'&#93;) is empty then show error as it must be set. 
if(!isset($_GET['query_type'&#93;) && empty($_GET['query_type'&#93;)) 
{ 
    echo "Invalid Query!"; 
} 
/*If $_GET['query_type'&#93;) is full with value other than wild-card or "All" 
or "all" then make specific query. 
*/
elseif($query_type != 'all' OR $query_type != 'All' OR $query_type != '*') 
{ 
    ${$query_type} = $_GET[$_GET['query_type'&#93;&#93;; 
    $followed_word = ${$query_type}; //Same as&#58; $_GET[$_GET['query_type'&#93;&#93;; 

    $stmt_1->$total_pages = $conn->query("SELECT * FROM browsing_histories WHERE username = ?")->num_rows; 
$stmt_1->bind_param('s', $query_type); 
$stmt_1->execute(); 

// Check if the page number is specified and check if it's a number, if not return the default page number which is 1. 
$page_number = isset($_GET['page_number'&#93;) && is_numeric($_GET['page_number'&#93;) ? $_GET['page_number'&#93; &#58; 1; 
//Number of results to show on each page. 
$num_results_on_page = 25; 

if ($stmt_1 = $conn->prepare('SELECT * FROM browsing_histories WHERE username = ? ORDER BY id LIMIT ?,?')) { 
// Calculate the page to get the results we need from our table. 
$calc_page = ($page_number - 1) * $num_results_on_page; 
//Added this line according to stackoverflow.com suggestion.
$stmt_2->bind_param('sii', $query_type, $num_results_on_page, $calc_page); 
//Make the query.     
$stmt_2->execute(); 
    } 
} 
else //Make general query or query for all records. 
{ 
    //Grab "all records" from the table. 
    //Get the total number of records from the table&#58; "browsing_histories". 
    $total_pages = $conn->query("SELECT * FROM browsing_histories")->num_rows; 
    //Make the query. 
    $stmt = $conn->prepare('SELECT * FROM browsing_histories ORDER BY id LIMIT ?,?'); 
    $stmt->bind_param('ii', $num_results_on_page); 
} 

$stmt_1->execute(); 
?>

<?php 
include 'footer_account.php'; //Required on all webpages of the Account. 
?>

mkdir($directory_path . $user, "$mode", TRUE); //IS THIS LINE CORRECT ?

//Move uploaded File to newly created directory on the server.
//move_uploaded_file("$file_tmp", "$directory_path" . "$user" . "/" . "$file_name"); //IS THIS LINE CORRECT ?
//move_uploaded_file("$file_tmp", "$directory_path" . "$user/" . "$file_name"); //IS THIS LINE CORRECT ?
move_uploaded_file("$file_tmp", $directory_path . $user . '/' . $file_name); //IS THIS LINE CORRECT ?

<form METHOD="POST" ACTION="" enctype="multipart/form-data">
<fieldset>
<p align="left"><h3><?php $site_name ?> ID Video Verification Form</h3></p>
<div class="form-group">
<p align="left"<label>Video File: </label>
<input type="file" name="id_verification_video_file" id="id_verification_video_file" value="uploaded 'Id Verification Video File.'"></p>
</div>
</fieldset>
<p align="left"><button type="submit" class="btn btn-default" name="id_verification_video_file_submit">Submit!</button></p>
</form>

<?php 

//ERROR REPORTING CODES. 
declare(strict_types=1); 
ini_set('display_errors', '1'); 
ini_set('display_startup_errors', '1'); 
error_reporting(E_ALL); 
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT); 

?>

<?php 
//Required PHP Files. 
include 'header_account.php'; //Required on all webpages of the Site. 
?>

<?php 

if (!$conn) 
{ 
$error = mysqli_connect_error(); 
$errno = mysqli_connect_errno(); 
print "$errno&#58; $error\n"; 
exit(); 
} 

if($_SERVER["REQUEST_METHOD"&#93; == "POST") 
{ 
//Check whether the file was uploaded or not without any errors. 
if(!isset($_FILES["id_verification_video_file"&#93;) && $_FILES["id_verification_video_file"&#93;["Error"&#93; == 0) 
{ 
$Errors = Array(); 
$Errors[&#93; = "Error&#58; " . $_FILES["id_verification_video_file"&#93; ["ERROR"&#93;; 
print_r($_FILES); ?><br><?php 
print_r($_ERRORS); 
exit(); 
} 
else 
{ 
//Feed Id Verification Video File Upload Directory path. 
$directory_path = "uploads/videos/id_verifications/"; 
//Make Directory under $user in 'uploads/videos/id_verifications' Folder. 
if(!is_dir($directory_path . $user)) //IS THIS LINE CORRECT ?
{ 
$mode = "0644"; 
mkdir($directory_path . $user, "$mode", TRUE); //IS THIS LINE CORRECT ?
} 

//Grab Uploading File details. 
$Errors = Array(); //SHOULD I KEEP THIS LINE OR NOT ?
$file_name = $_FILES["id_verification_video_file"&#93;["name"&#93;; 
$file_tmp = $_FILES["id_verification_video_file"&#93;["tmp_name"&#93;; 
$file_type = $_FILES["id_verification_video_file"&#93;["type"&#93;; 
$file_size = $_FILES["id_verification_video_file"&#93;["size"&#93;; 
$file_error = $_FILES['id_verification_video_file'&#93;['error'&#93;; 

//Grab Uploading File Extension details. 
$file_extension = pathinfo($file_name, PATHINFO_EXTENSION); 
//if(file_exists("$directory_path . $user/ . $file_name")) //THIS LINE IS NOT GIVING THE ERROR THAT FILE HAS ALREADY BEEN UPLOADED. INSTEAD GIVES THE ECHO THAT IS 26 LINES BELOW HERE&#58; "Your Video File \"$file_name\" has been uploaded successfully!"
if(file_exists($directory_path . $user . '/' . $file_name)) ////THIS LINE IS NOT GIVING THE ERROR THAT FILE HAS ALREADY BEEN UPLOADED. INSTEAD SHOWING BLANK WHITE PAGE.
{ 
$Errors[&#93; = "Error&#58; You have already uploaded a video file to verify your ID!"; 
exit(); 
    } 
else 
{ 
//Feed allowed File Extensions List. 
$allowed_file_extensions = array("mp4" => "video/mp4"); 

//Feed allowed File Size. 
$max_file_size_allowed_in_bytes = 1024*1024*100; //Allowed limit&#58; 100MB. 
$max_file_size_allowed_in_kilobytes = 1024*100; 
$max_file_size_allowed_in_megabytes = 100; 

$max_file_size_allowed = "$max_file_size_allowed_in_bytes"; 

//Verify File Extension. 
if(!array_key_exists($file_extension, $allowed_file_extensions)) die("Error&#58; Select a valid video file format. Select an Mp4 file."); 
//Verify MIME Type of the File. 
elseif(!in_array($file_type, $allowed_file_extensions)) 
{ 
$Errors[&#93; = "Error&#58; There was a problem uploading your file $file_name! Make sure your file is an MP4 video file. You may try again."; //IS THIS LINE CORRECT ?
} 
//Verify File Size. Allowed Max Limit&#58; 100MB. 
elseif($file_size>$max_file_size_allowed) die("Error&#58; Your Video File Size is larger than the allowed limit of&#58; $max_file_size_allowed_in_megabytes."); 
//Move uploaded File to newly created directory on the server. 
move_uploaded_file("$file_tmp", $directory_path . $user . '/' . $file_name); //IS THIS LINE CORRECT ?
//move_uploaded_file("$file_tmp", "$directory_path" . "$user" . "/" . "$file_name"); //IS THIS LINE CORRECT ?
//move_uploaded_file("$file_tmp", "$directory_path" . "$user/" . "$file_name"); //IS THIS LINE CORRECT ?
//Notify user their Id Verification Video File was uploaded successfully. 
echo "Your Video File \"$file_name\" has been uploaded successfully!"; 
exit(); 
} 
    } 
    } 
?> `

<form METHOD="POST" ACTION="" enctype="multipart/form-data">
<fieldset>
<p align="left"><h3><?php $site_name ?> ID Video Verification Form</h3></p>
<div class="form-group">
<p align="left"<label>Video File: </label>
<input type="file" name="id_verification_video_file" id="id_verification_video_file" value="uploaded 'Id Verification Video File.'"></p>
</div>
</fieldset>
<p align="left"><button type="submit" class="btn btn-default" name="id_verification_video_file_submit">Submit!</button></p>
</form>

</body>
</html>

<?php 
include 'footer_account.php'; //Required on all webpages of the Site. 
?>