diff --git a/inc/anti-bot.php b/inc/anti-bot.php
index 0054ee50..c2d659cf 100644
--- a/inc/anti-bot.php
+++ b/inc/anti-bot.php
@@ -11,347 +11,347 @@ $hidden_inputs_twig = array();
 $logfile = "/tmp/lainchan_err.out";
 
 function print_err($s) {
-	global $logfile;
-    $datetime = new Datetime();
-    file_put_contents(
-        $logfile,
-        $datetime->format(DateTime::ATOM) . " " . $s . "\n",
-        FILE_APPEND
-    );
+  global $logfile;
+  $datetime = new Datetime();
+  file_put_contents(
+    $logfile,
+    $datetime->format(DateTime::ATOM) . " " . $s . "\n",
+    FILE_APPEND
+  );
 }
 
 function getStackTraceAsString() {
-    $stackTrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+  $stackTrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
 
-    $traceString = '';
-    foreach ($stackTrace as $index => $entry) {
-        if ($index > 0) {
-            $traceString .= sprintf(
-                "#%d %s(%d): %s%s",
-                $index - 1,
-                isset($entry['file']) ? $entry['file'] : 'unknown',
-                isset($entry['line']) ? $entry['line'] : 0,
-                isset($entry['class']) ? $entry['class'] . $entry['type'] . $entry['function'] : $entry['function'],
-                PHP_EOL
-            );
-        }
+  $traceString = '';
+  foreach ($stackTrace as $index => $entry) {
+    if ($index > 0) {
+      $traceString .= sprintf(
+        "#%d %s(%d): %s%s",
+        $index - 1,
+        isset($entry['file']) ? $entry['file'] : 'unknown',
+        isset($entry['line']) ? $entry['line'] : 0,
+        isset($entry['class']) ? $entry['class'] . $entry['type'] . $entry['function'] : $entry['function'],
+        PHP_EOL
+      );
     }
+  }
 
-    return $traceString;
+  return $traceString;
 }
 
 // print_err("\n\nSTART\n\n");
 
 class AntiBot {
-	public $salt, $inputs = array(), $index = 0;
-	
-	public static function randomString($length, $uppercase = false, $special_chars = false, $unicode_chars = false) {
-		$chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
-		if ($uppercase)
-			$chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
-		if ($special_chars)
-			$chars .= ' ~!@#$%^&*()_+,./;\'[]\\{}|:<>?=-` ';
-		if ($unicode_chars) {
-			$len = strlen($chars) / 10;
-			for ($n = 0; $n < $len; $n++)
-				$chars .= mb_convert_encoding('&#' . mt_rand(0x2600, 0x26FF) . ';', 'UTF-8', 'HTML-ENTITIES');
-		}
-		
-		$chars = preg_split('//u', $chars, -1, PREG_SPLIT_NO_EMPTY);
-		
-		$ch = array();
-		
-		// fill up $ch until we reach $length
-		while (count($ch) < $length) {
-			$n = $length - count($ch);
-			$keys = array_rand($chars, $n > count($chars) ? count($chars) : $n);
-			if ($n == 1) {
-				$ch[] = $chars[$keys];
-				break;
-			}
-			shuffle($keys);
-			foreach ($keys as $key)
-				$ch[] = $chars[$key];
-		}
-		
-		$chars = $ch;
-		
-		return implode('', $chars);
-	}
-	
-	public static function make_confusing($string) {
-		$chars = preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);
-		
-		foreach ($chars as &$c) {
-			if (mt_rand(0, 3) != 0)
-				$c = utf8tohtml($c);
-			else
-				$c = mb_encode_numericentity($c, array(0, 0xffff, 0, 0xffff), 'UTF-8');
-		}
-		
-		return implode('', $chars);
-	}
-	
-	public function __construct(array $salt = array()) {
-		global $config;
-		
-		if (!empty($salt)) {
-			// create a salted hash of the "extra salt"
-			$this->salt = implode(':', $salt);
-		} else { 
-			$this->salt = '';
-		}
-		
-		shuffle($config['spam']['hidden_input_names']);
-		
-		$input_count = mt_rand($config['spam']['hidden_inputs_min'], $config['spam']['hidden_inputs_max']);
-		$hidden_input_names_x = 0;
-		
-		for ($x = 0; $x < $input_count ; $x++) {
-			if ($hidden_input_names_x === false || mt_rand(0, 2) == 0) {
-				// Use an obscure name
-				$name = $this->randomString(mt_rand(10, 40), false, false, $config['spam']['unicode']);
-			} else {
-				// Use a pre-defined confusing name
-				$name = $config['spam']['hidden_input_names'][$hidden_input_names_x++];
-				if ($hidden_input_names_x >= count($config['spam']['hidden_input_names']))
-					$hidden_input_names_x = false;
-			}
-			
-			if (mt_rand(0, 2) == 0) {
-				// Value must be null
-				$this->inputs[$name] = '';
-			} elseif (mt_rand(0, 4) == 0) {
-				// Numeric value
-				$this->inputs[$name] = (string)mt_rand(0, 100000);
-			} else {
-				// Obscure value
-				$this->inputs[$name] = $this->randomString(mt_rand(5, 100), true, true, $config['spam']['unicode']);
-			}
-		}
-	}
-	
-	public static function space() {
-		if (mt_rand(0, 3) != 0)
-			return ' ';
-		return str_repeat(' ', mt_rand(1, 3));
-	}
-	
-	public function html($count = false) {
-		global $config;
-		
-		$elements = array(
-			'<input type="hidden" name="%name%" value="%value%">',
-			'<input type="hidden" value="%value%" name="%name%">',
-			'<input name="%name%" value="%value%" type="hidden">',
-			'<input value="%value%" name="%name%" type="hidden">',
-			'<input style="display:none" type="text" name="%name%" value="%value%">',
-			'<input style="display:none" type="text" value="%value%" name="%name%">',
-			'<span style="display:none"><input type="text" name="%name%" value="%value%"></span>',
-			'<div style="display:none"><input type="text" name="%name%" value="%value%"></div>',
-			'<div style="display:none"><input type="text" name="%name%" value="%value%"></div>',
-			'<textarea style="display:none" name="%name%">%value%</textarea>',
-			'<textarea name="%name%" style="display:none">%value%</textarea>'
-		);
-		
-		$html = '';
-		
-		if ($count === false) {
-			$count = mt_rand(1, round(abs(count($this->inputs) / 15)) + 1);
-		}
-		
-		if ($count === true) {
-			// all elements
-			$inputs = array_slice($this->inputs, $this->index);
-		} else {
-			$inputs = array_slice($this->inputs, $this->index, $count);
-		}
-		$this->index += count($inputs);
-		
-		foreach ($inputs as $name => $value) {
-			$element = false;
-			while (!$element) {
-				$element = $elements[array_rand($elements)];
-				$element = str_replace(' ', self::space(), $element);
-				if (mt_rand(0, 5) == 0)
-					$element = str_replace('>', self::space() . '>', $element);
-				if (strpos($element, 'textarea') !== false && $value == '') {
-					// There have been some issues with mobile web browsers and empty <textarea>'s.
-					$element = false;
-				}
-			}
-			
-			$element = str_replace('%name%', utf8tohtml($name), $element);
-			
-			if (mt_rand(0, 2) == 0)
-				$value = $this->make_confusing($value);
-			else
-				$value = utf8tohtml($value);
-			
-			if (strpos($element, 'textarea') === false)
-				$value = str_replace('"', '&quot;', $value);
-			
-			$element = str_replace('%value%', $value, $element);
-			
-			$html .= $element;
-		}
-		
-		return $html;
-	}
-	
-	public function reset() {
-		$this->index = 0;
-	}
-	
-	public function hash() {
-		global $config;
+  public $salt, $inputs = array(), $index = 0;
 
-		// This is the tricky part: create a hash to validate it after
-		// First, sort the keys in alphabetical order (A-Z)
-		$inputs = $this->inputs;
-		ksort($inputs);
-		
-		$hash = '';
-		// Iterate through each input
-		foreach ($inputs as $name => $value) {
-			$hash .= $name . '=' . $value;
-		}
-		// Add a salt to the hash
-		$hash .= $config['cookies']['salt'];
-		
-		// Use SHA1 for the hash
-		return sha1($hash . $this->salt);
-	}
-
-    public function printErrVars() { //DELETE ME
-		$inputs = $this->inputs;
-		ksort($inputs);
-
-        print_err("Antibot " . $this->hash() . " inputs: " . json_encode($inputs));
+  public static function randomString($length, $uppercase = false, $special_chars = false, $unicode_chars = false) {
+    $chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
+    if ($uppercase)
+      $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+    if ($special_chars)
+      $chars .= ' ~!@#$%^&*()_+,./;\'[]\\{}|:<>?=-` ';
+    if ($unicode_chars) {
+      $len = strlen($chars) / 10;
+      for ($n = 0; $n < $len; $n++)
+        $chars .= mb_convert_encoding('&#' . mt_rand(0x2600, 0x26FF) . ';', 'UTF-8', 'HTML-ENTITIES');
     }
+
+    $chars = preg_split('//u', $chars, -1, PREG_SPLIT_NO_EMPTY);
+
+    $ch = array();
+
+    // fill up $ch until we reach $length
+    while (count($ch) < $length) {
+      $n = $length - count($ch);
+      $keys = array_rand($chars, $n > count($chars) ? count($chars) : $n);
+      if ($n == 1) {
+        $ch[] = $chars[$keys];
+        break;
+      }
+      shuffle($keys);
+      foreach ($keys as $key)
+        $ch[] = $chars[$key];
+    }
+
+    $chars = $ch;
+
+    return implode('', $chars);
+  }
+
+  public static function make_confusing($string) {
+    $chars = preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);
+
+    foreach ($chars as &$c) {
+      if (mt_rand(0, 3) != 0)
+        $c = utf8tohtml($c);
+      else
+        $c = mb_encode_numericentity($c, array(0, 0xffff, 0, 0xffff), 'UTF-8');
+    }
+
+    return implode('', $chars);
+  }
+
+  public function __construct(array $salt = array()) {
+    global $config;
+
+    if (!empty($salt)) {
+      // create a salted hash of the "extra salt"
+      $this->salt = implode(':', $salt);
+    } else { 
+      $this->salt = '';
+    }
+
+    shuffle($config['spam']['hidden_input_names']);
+
+    $input_count = mt_rand($config['spam']['hidden_inputs_min'], $config['spam']['hidden_inputs_max']);
+    $hidden_input_names_x = 0;
+
+    for ($x = 0; $x < $input_count ; $x++) {
+      if ($hidden_input_names_x === false || mt_rand(0, 2) == 0) {
+        // Use an obscure name
+        $name = $this->randomString(mt_rand(10, 40), false, false, $config['spam']['unicode']);
+      } else {
+        // Use a pre-defined confusing name
+        $name = $config['spam']['hidden_input_names'][$hidden_input_names_x++];
+        if ($hidden_input_names_x >= count($config['spam']['hidden_input_names']))
+          $hidden_input_names_x = false;
+      }
+
+      if (mt_rand(0, 2) == 0) {
+        // Value must be null
+        $this->inputs[$name] = '';
+      } elseif (mt_rand(0, 4) == 0) {
+        // Numeric value
+        $this->inputs[$name] = (string)mt_rand(0, 100000);
+      } else {
+        // Obscure value
+        $this->inputs[$name] = $this->randomString(mt_rand(5, 100), true, true, $config['spam']['unicode']);
+      }
+    }
+  }
+
+  public static function space() {
+    if (mt_rand(0, 3) != 0)
+      return ' ';
+    return str_repeat(' ', mt_rand(1, 3));
+  }
+
+  public function html($count = false) {
+    global $config;
+
+    $elements = array(
+      '<input type="hidden" name="%name%" value="%value%">',
+      '<input type="hidden" value="%value%" name="%name%">',
+      '<input name="%name%" value="%value%" type="hidden">',
+      '<input value="%value%" name="%name%" type="hidden">',
+      '<input style="display:none" type="text" name="%name%" value="%value%">',
+      '<input style="display:none" type="text" value="%value%" name="%name%">',
+      '<span style="display:none"><input type="text" name="%name%" value="%value%"></span>',
+      '<div style="display:none"><input type="text" name="%name%" value="%value%"></div>',
+      '<div style="display:none"><input type="text" name="%name%" value="%value%"></div>',
+      '<textarea style="display:none" name="%name%">%value%</textarea>',
+      '<textarea name="%name%" style="display:none">%value%</textarea>'
+    );
+
+    $html = '';
+
+    if ($count === false) {
+      $count = mt_rand(1, round(abs(count($this->inputs) / 15)) + 1);
+    }
+
+    if ($count === true) {
+      // all elements
+      $inputs = array_slice($this->inputs, $this->index);
+    } else {
+      $inputs = array_slice($this->inputs, $this->index, $count);
+    }
+    $this->index += count($inputs);
+
+    foreach ($inputs as $name => $value) {
+      $element = false;
+      while (!$element) {
+        $element = $elements[array_rand($elements)];
+        $element = str_replace(' ', self::space(), $element);
+        if (mt_rand(0, 5) == 0)
+          $element = str_replace('>', self::space() . '>', $element);
+        if (strpos($element, 'textarea') !== false && $value == '') {
+          // There have been some issues with mobile web browsers and empty <textarea>'s.
+          $element = false;
+        }
+      }
+
+      $element = str_replace('%name%', utf8tohtml($name), $element);
+
+      if (mt_rand(0, 2) == 0)
+        $value = $this->make_confusing($value);
+      else
+        $value = utf8tohtml($value);
+
+      if (strpos($element, 'textarea') === false)
+        $value = str_replace('"', '&quot;', $value);
+
+      $element = str_replace('%value%', $value, $element);
+
+      $html .= $element;
+    }
+
+    return $html;
+  }
+
+  public function reset() {
+    $this->index = 0;
+  }
+
+  public function hash() {
+    global $config;
+
+    // This is the tricky part: create a hash to validate it after
+    // First, sort the keys in alphabetical order (A-Z)
+    $inputs = $this->inputs;
+    ksort($inputs);
+
+    $hash = '';
+    // Iterate through each input
+    foreach ($inputs as $name => $value) {
+      $hash .= $name . '=' . $value;
+    }
+    // Add a salt to the hash
+    $hash .= $config['cookies']['salt'];
+
+    // Use SHA1 for the hash
+    return sha1($hash . $this->salt);
+  }
+
+  public function printErrVars() { //DELETE ME
+    $inputs = $this->inputs;
+    ksort($inputs);
+
+    print_err("Antibot " . $this->hash() . " inputs: " . json_encode($inputs));
+  }
 }
 
 function _create_antibot($board, $thread) {
-	global $config, $purged_old_antispam;
-	
-	$antibot = new AntiBot(array($board, $thread));
-	
-	if (!isset($purged_old_antispam)) {
-		$purged_old_antispam = true;
-		query('DELETE FROM ``antispam`` WHERE `expires` < UNIX_TIMESTAMP()') or error(db_error());
-	}
-	
-	if ($thread)
-		$query = prepare('UPDATE ``antispam`` SET `expires` = UNIX_TIMESTAMP() + :expires WHERE `board` = :board AND `thread` = :thread AND `expires` IS NULL');
-	else
-		$query = prepare('UPDATE ``antispam`` SET `expires` = UNIX_TIMESTAMP() + :expires WHERE `board` = :board AND `thread` IS NULL AND `expires` IS NULL');
-	
-	$query->bindValue(':board', $board);
-	if ($thread)
-		$query->bindValue(':thread', $thread);
-	$query->bindValue(':expires', $config['spam']['hidden_inputs_expire']);
-	$query->execute() or error(db_error($query));
-	
-	$query = prepare('INSERT INTO ``antispam`` VALUES (:board, :thread, :hash, UNIX_TIMESTAMP(), NULL, 0)');
-	$query->bindValue(':board', $board);
-	$query->bindValue(':thread', $thread);
-	$query->bindValue(':hash', $antibot->hash());
-	$query->execute() or error(db_error($query));
+  global $config, $purged_old_antispam;
 
-    $antibot->printErrVars();
-	
-	return $antibot;
+  $antibot = new AntiBot(array($board, $thread));
+
+  if (!isset($purged_old_antispam)) {
+    $purged_old_antispam = true;
+    query('DELETE FROM ``antispam`` WHERE `expires` < UNIX_TIMESTAMP()') or error(db_error());
+  }
+
+  if ($thread)
+    $query = prepare('UPDATE ``antispam`` SET `expires` = UNIX_TIMESTAMP() + :expires WHERE `board` = :board AND `thread` = :thread AND `expires` IS NULL');
+  else
+    $query = prepare('UPDATE ``antispam`` SET `expires` = UNIX_TIMESTAMP() + :expires WHERE `board` = :board AND `thread` IS NULL AND `expires` IS NULL');
+
+  $query->bindValue(':board', $board);
+  if ($thread)
+    $query->bindValue(':thread', $thread);
+  $query->bindValue(':expires', $config['spam']['hidden_inputs_expire']);
+  $query->execute() or error(db_error($query));
+
+  $query = prepare('INSERT INTO ``antispam`` VALUES (:board, :thread, :hash, UNIX_TIMESTAMP(), NULL, 0)');
+  $query->bindValue(':board', $board);
+  $query->bindValue(':thread', $thread);
+  $query->bindValue(':hash', $antibot->hash());
+  $query->execute() or error(db_error($query));
+
+  $antibot->printErrVars();
+
+  return $antibot;
 }
 
 function dumpVars($extra_salt) {
-    global $config;
+  global $config;
 
-    print_err("Check Spam POST data: " . json_encode($_POST));
+  print_err("Check Spam POST data: " . json_encode($_POST));
 
     /*
-	foreach ($_POST as $name => $value) {
+  foreach ($_POST as $name => $value) {
         $is_valid_input = in_array($name, $config['spam']['valid_inputs']) ? "valid" : "invalid";
         print_err(" $name: $value ($is_valid_input)");
     }
      */
 
-	if (!empty($extra_salt)) {
-		$extra_salt = implode(':', $extra_salt);
-	} else { 
-		$extra_salt = '';
-	}
+  if (!empty($extra_salt)) {
+    $extra_salt = implode(':', $extra_salt);
+  } else { 
+    $extra_salt = '';
+  }
 
-    print_err("extra_salt: $extra_salt");
+  print_err("extra_salt: $extra_salt");
 }
 
 function checkSpam(array $extra_salt = array()) {
-	global $config, $pdo;
+  global $config, $pdo;
 
-    #print_err("checkSpam start");
-    $extra_salt_orig = $extra_salt;
+  #print_err("checkSpam start");
+  $extra_salt_orig = $extra_salt;
 
-	if (!isset($_POST['hash'])) {
-        print_err("checkSpam: _POST array doesn't have key 'hash', check failed.");
-        dumpVars($extra_salt_orig);
-		return true;
-    }
+  if (!isset($_POST['hash'])) {
+    print_err("checkSpam: _POST array doesn't have key 'hash', check failed.");
+    dumpVars($extra_salt_orig);
+    return true;
+  }
 
-	$hash = $_POST['hash'];
+  $hash = $_POST['hash'];
 
-	if (!empty($extra_salt)) {
-		// create a salted hash of the "extra salt"
-		$extra_salt = implode(':', $extra_salt);
-	} else { 
-		$extra_salt = '';
-	}
+  if (!empty($extra_salt)) {
+    // create a salted hash of the "extra salt"
+    $extra_salt = implode(':', $extra_salt);
+  } else { 
+    $extra_salt = '';
+  }
 
-	// Reconsturct the $inputs array
-	$inputs = array();
+  // Reconsturct the $inputs array
+  $inputs = array();
 
-	foreach ($_POST as $name => $value) {
-		if (in_array($name, $config['spam']['valid_inputs']))
-			continue;
+  foreach ($_POST as $name => $value) {
+    if (in_array($name, $config['spam']['valid_inputs']))
+      continue;
 
-		$inputs[$name] = $value;
-	}
+    $inputs[$name] = $value;
+  }
 
-	// Sort the inputs in alphabetical order (A-Z)
-	ksort($inputs);
+  // Sort the inputs in alphabetical order (A-Z)
+  ksort($inputs);
 
-	$_hash = '';
+  $_hash = '';
 
-	// Iterate through each input
-	foreach ($inputs as $name => $value) {
-		$_hash .= $name . '=' . $value;
-	}
+  // Iterate through each input
+  foreach ($inputs as $name => $value) {
+    $_hash .= $name . '=' . $value;
+  }
 
-	// Add a salt to the hash
-	$_hash .= $config['cookies']['salt'];
+  // Add a salt to the hash
+  $_hash .= $config['cookies']['salt'];
 
-	// Use SHA1 for the hash
-	$_hash = sha1($_hash . $extra_salt);
+  // Use SHA1 for the hash
+  $_hash = sha1($_hash . $extra_salt);
 
-	if ($hash != $_hash) {
-        print_err("checkSpam: Hash values do not match! submitted hash value from POST data: $hash ; Computed hash value: $_hash");
-        dumpVars($extra_salt_orig);
-		return true;
-	}
+  if ($hash != $_hash) {
+    print_err("checkSpam: Hash values do not match! submitted hash value from POST data: $hash ; Computed hash value: $_hash");
+    dumpVars($extra_salt_orig);
+    return true;
+  }
 
-	$query = prepare('SELECT `passed` FROM ``antispam`` WHERE `hash` = :hash');
-	$query->bindValue(':hash', $hash);
-	$query->execute() or error(db_error($query));
-	if ((($passed = $query->fetchColumn(0)) === false) || ($passed > $config['spam']['hidden_inputs_max_pass'])) {
-		// there was no database entry for this hash. most likely expired.
-        print_err("checkSpam: there was no database entry for this hash. most likely expired. $hash");
-        dumpVars($extra_salt_orig);
-		return true;
-	}
+  $query = prepare('SELECT `passed` FROM ``antispam`` WHERE `hash` = :hash');
+  $query->bindValue(':hash', $hash);
+  $query->execute() or error(db_error($query));
+  if ((($passed = $query->fetchColumn(0)) === false) || ($passed > $config['spam']['hidden_inputs_max_pass'])) {
+    // there was no database entry for this hash. most likely expired.
+    print_err("checkSpam: there was no database entry for this hash. most likely expired. $hash");
+    dumpVars($extra_salt_orig);
+    return true;
+  }
 
-	return $hash;
+  return $hash;
 }
 
 function incrementSpamHash($hash) {
-	$query = prepare('UPDATE ``antispam`` SET `passed` = `passed` + 1 WHERE `hash` = :hash');
-	$query->bindValue(':hash', $hash);
-	$query->execute() or error(db_error($query));
+  $query = prepare('UPDATE ``antispam`` SET `passed` = `passed` + 1 WHERE `hash` = :hash');
+  $query->bindValue(':hash', $hash);
+  $query->execute() or error(db_error($query));
 }