diff --git a/system/libraries/Driver.php b/system/libraries/Driver.php
index 15fc3da..02e093d 100644
--- a/system/libraries/Driver.php
+++ b/system/libraries/Driver.php
@@ -1,4 +1,4 @@
-<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -36,7 +36,7 @@
 	// subsequents calls will go straight to the proper child.
 	function __get($child)
 	{
-		if (! isset($this->lib_name))
+		if ( ! isset($this->lib_name))
 		{
 			$this->lib_name = get_class($this);
 		}
@@ -143,7 +143,7 @@
 				}
 			}
 
-			foreach($r->getProperties() as $prop)
+			foreach ($r->getProperties() as $prop)
 			{
 				if ($prop->isPublic())
 				{
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index e5af38f..6c21f11 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -897,7 +897,7 @@
 			}
 
 			$temp = '';
-			while((strlen($line)) > $charlim)
+			while ((strlen($line)) > $charlim)
 			{
 				// If the over-length word is a URL we won't wrap it
 				if (preg_match("!\[url.+\]|://|wwww.!", $line))
@@ -973,7 +973,7 @@
 		reset($this->_headers);
 		$this->_header_str = "";
 
-		foreach($this->_headers as $key => $val)
+		foreach ($this->_headers as $key => $val)
 		{
 			$val = trim($val);
 
@@ -1607,14 +1607,14 @@
 
 		$this->_send_command('from', $this->clean_email($this->_headers['From']));
 
-		foreach($this->_recipients as $val)
+		foreach ($this->_recipients as $val)
 		{
 			$this->_send_command('to', $val);
 		}
 
 		if (count($this->_cc_array) > 0)
 		{
-			foreach($this->_cc_array as $val)
+			foreach ($this->_cc_array as $val)
 			{
 				if ($val != "")
 				{
@@ -1625,7 +1625,7 @@
 
 		if (count($this->_bcc_array) > 0)
 		{
-			foreach($this->_bcc_array as $val)
+			foreach ($this->_bcc_array as $val)
 			{
 				if ($val != "")
 				{
@@ -1672,7 +1672,7 @@
 										$errstr,
 										$this->smtp_timeout);
 
-		if( ! is_resource($this->_smtp_connect))
+		if ( ! is_resource($this->_smtp_connect))
 		{
 			$this->_set_error_message('email_smtp_error', $errno." ".$errstr);
 			return FALSE;
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index c6d7c29..adfd17d 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1040,7 +1040,7 @@
 			return $this->valid_email(trim($str));
 		}
 
-		foreach(explode(',', $str) as $email)
+		foreach (explode(',', $str) as $email)
 		{
 			if (trim($email) != '' && $this->valid_email(trim($email)) === FALSE)
 			{
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php
index 6587eae..8a1f18c 100644
--- a/system/libraries/Profiler.php
+++ b/system/libraries/Profiler.php
@@ -415,7 +415,7 @@
 
 		$output .= "\n\n<table style='width:100%'>\n";
 
-		foreach(array('HTTP_ACCEPT', 'HTTP_USER_AGENT', 'HTTP_CONNECTION', 'SERVER_PORT', 'SERVER_NAME', 'REMOTE_ADDR', 'SERVER_SOFTWARE', 'HTTP_ACCEPT_LANGUAGE', 'SCRIPT_NAME', 'REQUEST_METHOD',' HTTP_HOST', 'REMOTE_HOST', 'CONTENT_TYPE', 'SERVER_PROTOCOL', 'QUERY_STRING', 'HTTP_ACCEPT_ENCODING', 'HTTP_X_FORWARDED_FOR') as $header)
+		foreach (array('HTTP_ACCEPT', 'HTTP_USER_AGENT', 'HTTP_CONNECTION', 'SERVER_PORT', 'SERVER_NAME', 'REMOTE_ADDR', 'SERVER_SOFTWARE', 'HTTP_ACCEPT_LANGUAGE', 'SCRIPT_NAME', 'REQUEST_METHOD',' HTTP_HOST', 'REMOTE_HOST', 'CONTENT_TYPE', 'SERVER_PROTOCOL', 'QUERY_STRING', 'HTTP_ACCEPT_ENCODING', 'HTTP_X_FORWARDED_FOR') as $header)
 		{
 			$val = (isset($_SERVER[$header])) ? $_SERVER[$header] : '';
 			$output .= "<tr><td style='vertical-align: top;width:50%;padding:5px;color:#900;background-color:#ddd;'>".$header."&nbsp;&nbsp;</td><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>".$val."</td></tr>\n";
@@ -446,7 +446,7 @@
 
 		$output .= "\n\n<table style='width:100%'>\n";
 
-		foreach($this->CI->config->config as $config=>$val)
+		foreach ($this->CI->config->config as $config=>$val)
 		{
 			if (is_array($val))
 			{
diff --git a/system/libraries/Security.php b/system/libraries/Security.php
index ba64c73..9189686 100644
--- a/system/libraries/Security.php
+++ b/system/libraries/Security.php
@@ -373,7 +373,7 @@
 				$str = preg_replace("#<(/*)(script|xss)(.*?)\>#si", '[removed]', $str);
 			}
 		}
-		while($original != $str);
+		while ($original != $str);
 
 		unset($original);
 
diff --git a/system/libraries/Sha1.php b/system/libraries/Sha1.php
index ad747a0..05a4234 100644
--- a/system/libraries/Sha1.php
+++ b/system/libraries/Sha1.php
@@ -88,7 +88,7 @@
 			$oldd = $d;
 			$olde = $e;
 
-			for($j = 0; $j < 80; $j++)
+			for ($j = 0; $j < 80; $j++)
 			{
 				if ($j < 16)
 				{
diff --git a/system/libraries/Table.php b/system/libraries/Table.php
index 4855416..2a1a95b 100644
--- a/system/libraries/Table.php
+++ b/system/libraries/Table.php
@@ -108,7 +108,7 @@
 		}
 
 		$new = array();
-		while(count($array) > 0)
+		while (count($array) > 0)
 		{
 			$temp = array_splice($array, 0, $col_limit);
 
@@ -280,7 +280,7 @@
 			$out .= $this->template['heading_row_start'];
 			$out .= $this->newline;
 
-			foreach($this->heading as $heading)
+			foreach ($this->heading as $heading)
 			{
 				$temp = $this->template['heading_cell_start'];
 
@@ -310,7 +310,7 @@
 			$out .= $this->newline;
 
 			$i = 1;
-			foreach($this->rows as $row)
+			foreach ($this->rows as $row)
 			{
 				if ( ! is_array($row))
 				{
@@ -323,7 +323,7 @@
 				$out .= $this->template['row_'.$name.'start'];
 				$out .= $this->newline;
 
-				foreach($row as $cell)
+				foreach ($row as $cell)
 				{
 					$temp = $this->template['cell_'.$name.'start'];
 
diff --git a/system/libraries/Trackback.php b/system/libraries/Trackback.php
index e29b35c..b0a7678 100644
--- a/system/libraries/Trackback.php
+++ b/system/libraries/Trackback.php
@@ -94,7 +94,7 @@
 				{
 					$$item = $this->convert_ascii($$item);
 				}
-				elseif($item == 'blog_name')
+				elseif ($item == 'blog_name')
 				{
 					$$item = $this->convert_ascii($$item);
 				}
@@ -261,7 +261,7 @@
 		// Was it successful?
 		$this->response = "";
 
-		while( ! feof($fp))
+		while ( ! feof($fp))
 		{
 			$this->response .= fgets($fp, 128);
 		}
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 8f84ffd..c8c42d8 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -214,7 +214,7 @@
 			$this->file_name = $this->_prep_filename($this->_file_name_override);
 
 			// If no extension was provided in the file_name config item, use the uploaded one
-			if(strpos($this->_file_name_override, '.') === FALSE)
+			if (strpos($this->_file_name_override, '.') === FALSE)
 			{
 				$this->file_name .= $this->file_ext;
 			}
diff --git a/system/libraries/Xmlrpc.php b/system/libraries/Xmlrpc.php
index 0d5a261..a24bca9 100644
--- a/system/libraries/Xmlrpc.php
+++ b/system/libraries/Xmlrpc.php
@@ -207,7 +207,7 @@
 
 		$this->data = array();
 
-		foreach($incoming as $key => $value)
+		foreach ($incoming as $key => $value)
 		{
 			$this->data[$key] = $this->values_parsing($value);
 		}
@@ -232,7 +232,7 @@
 	{
 		if (is_array($value) && array_key_exists(0, $value))
 		{
-			if ( ! isset($value['1']) OR (! isset($this->xmlrpcTypes[$value['1']])))
+			if ( ! isset($value['1']) OR ( ! isset($this->xmlrpcTypes[$value['1']])))
 			{
 				if (is_array($value[0]))
 				{
@@ -243,7 +243,7 @@
 					$temp = new XML_RPC_Values($value['0'], 'string');
 				}
 			}
-			elseif(is_array($value['0']) && ($value['1'] == 'struct' OR $value['1'] == 'array'))
+			elseif (is_array($value['0']) && ($value['1'] == 'struct' OR $value['1'] == 'array'))
 			{
 				while (list($k) = each($value['0']))
 				{
@@ -281,7 +281,7 @@
 			$this->error = $this->result->errstr;
 			return FALSE;
 		}
-		elseif( ! is_object($this->result->val))
+		elseif ( ! is_object($this->result->val))
 		{
 			$this->error = $this->result->errstr;
 			return FALSE;
@@ -392,7 +392,7 @@
 			return $r;
 		}
 
-		if(empty($msg->payload))
+		if (empty($msg->payload))
 		{
 			// $msg = XML_RPC_Messages
 			$msg->createPayload();
@@ -553,11 +553,11 @@
 	{
 		$kind = $xmlrpc_val->kindOf();
 
-		if($kind == 'scalar')
+		if ($kind == 'scalar')
 		{
 			return $xmlrpc_val->scalarval();
 		}
-		elseif($kind == 'array')
+		elseif ($kind == 'array')
 		{
 			reset($xmlrpc_val->me);
 			list($a,$b) = each($xmlrpc_val->me);
@@ -565,18 +565,18 @@
 
 			$arr = array();
 
-			for($i = 0; $i < $size; $i++)
+			for ($i = 0; $i < $size; $i++)
 			{
 				$arr[] = $this->xmlrpc_decoder($xmlrpc_val->me['array'][$i]);
 			}
 			return $arr;
 		}
-		elseif($kind == 'struct')
+		elseif ($kind == 'struct')
 		{
 			reset($xmlrpc_val->me['struct']);
 			$arr = array();
 
-			while(list($key,$value) = each($xmlrpc_val->me['struct']))
+			while (list($key,$value) = each($xmlrpc_val->me['struct']))
 			{
 				$arr[$key] = $this->xmlrpc_decoder($value);
 			}
@@ -595,10 +595,8 @@
 		$t = 0;
 		if (preg_match('/([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})/', $time, $regs))
 		{
-			if ($utc == 1)
-				$t = gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
-			else
-				$t = mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
+			$fnc = ($utc == 1) ? 'gmmktime' : 'mktime';
+			$t = $fnc($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
 		}
 		return $t;
 	}
@@ -628,7 +626,7 @@
 		$this->method_name = $method;
 		if (is_array($pars) && count($pars) > 0)
 		{
-			for($i=0; $i<count($pars); $i++)
+			for ($i=0; $i<count($pars); $i++)
 			{
 				// $pars[$i] = XML_RPC_Values
 				$this->params[] = $pars[$i];
@@ -646,7 +644,7 @@
 		$this->payload .= '<methodName>' . $this->method_name . "</methodName>\r\n";
 		$this->payload .= "<params>\r\n";
 
-		for($i=0; $i<count($this->params); $i++)
+		for ($i=0; $i<count($this->params); $i++)
 		{
 			// $p = XML_RPC_Values
 			$p = $this->params[$i];
@@ -664,7 +662,7 @@
 	{
 		$data = '';
 
-		while($datum = fread($fp, 4096))
+		while ($datum = fread($fp, 4096))
 		{
 			$data .= $datum;
 		}
@@ -684,7 +682,7 @@
 		//  Check for data
 		//-------------------------------------
 
-		if($data == "")
+		if ($data == "")
 		{
 			error_log($this->xmlrpcstr['no_data']);
 			$r = new XML_RPC_Response(0, $this->xmlrpcerr['no_data'], $this->xmlrpcstr['no_data']);
@@ -1108,7 +1106,7 @@
 				$this->xh[$the_parser]['lv'] = 2; // Found a value
 			}
 
-			if( ! @isset($this->xh[$the_parser]['ac']))
+			if ( ! @isset($this->xh[$the_parser]['ac']))
 			{
 				$this->xh[$the_parser]['ac'] = '';
 			}
@@ -1174,11 +1172,11 @@
 	{
 		$kind = $param->kindOf();
 
-		if($kind == 'scalar')
+		if ($kind == 'scalar')
 		{
 			return $param->scalarval();
 		}
-		elseif($kind == 'array')
+		elseif ($kind == 'array')
 		{
 			reset($param->me);
 			list($a,$b) = each($param->me);
@@ -1192,13 +1190,13 @@
 
 			return $arr;
 		}
-		elseif($kind == 'struct')
+		elseif ($kind == 'struct')
 		{
 			reset($param->me['struct']);
 
 			$arr = array();
 
-			while(list($key,$value) = each($param->me['struct']))
+			while (list($key,$value) = each($param->me['struct']))
 			{
 				$arr[$key] = $this->decode_message($value);
 			}
@@ -1343,7 +1341,7 @@
 				// struct
 				$rs .= "<struct>\n";
 				reset($val);
-				while(list($key2, $val2) = each($val))
+				while (list($key2, $val2) = each($val))
 				{
 					$rs .= "<member>\n<name>{$key2}</name>\n";
 					$rs .= $this->serializeval($val2);
diff --git a/system/libraries/Zip.php b/system/libraries/Zip.php
index 80633c7..666327d 100644
--- a/system/libraries/Zip.php
+++ b/system/libraries/Zip.php
@@ -289,7 +289,7 @@
 
 		while (FALSE !== ($file = readdir($fp)))
 		{
-			if(substr($file, 0, 1) == '.')
+			if (substr($file, 0, 1) == '.')
 			{
 				continue;
 			}