diff --git a/parsecsv.lib.php b/parsecsv.lib.php
index 899c25f..a3234c9 100644
--- a/parsecsv.lib.php
+++ b/parsecsv.lib.php
@@ -649,8 +649,8 @@ class parseCSV {
      * @return  2D array with CSV data, or false on failure
      */
     public function parse_string ($data = null) {
-        if ( empty($data) ) {
-            if ( $this->_check_data() ) {
+        if (empty($data)) {
+            if ($this->_check_data()) {
                 $data = &$this->file_data;
             }
             else {
@@ -664,7 +664,7 @@ class parseCSV {
         $row          = array();
         $row_count    = 0;
         $current      = '';
-        $head         = ( !empty($this->fields) ) ? $this->fields : array() ;
+        $head         = (!empty($this->fields)) ? $this->fields : array();
         $col          = 0;
         $enclosed     = false;
         $was_enclosed = false;
@@ -678,23 +678,23 @@ class parseCSV {
         }
 
         // walk through each character
-        for ( $i=0; $i < $strlen; $i++ ) {
-            $ch  = ( isset($data{$i}) )   ? $data{$i}   : false ;
-            $nch = ( isset($data{$i+1}) ) ? $data{$i+1} : false ;
-            $pch = ( isset($data{$i-1}) ) ? $data{$i-1} : false ;
+        for ($i=0; $i < $strlen; $i++) {
+            $ch  = (isset($data{$i}))   ? $data{$i}   : false;
+            $nch = (isset($data{$i+1})) ? $data{$i+1} : false;
+            $pch = (isset($data{$i-1})) ? $data{$i-1} : false;
 
             // open/close quotes, and inline quotes
-            if ( $ch == $this->enclosure ) {
-                if ( !$enclosed ) {
-                    if ( ltrim($current,$white_spaces) == '' ) {
-                        $enclosed = true;
+            if ($ch == $this->enclosure) {
+                if (!$enclosed) {
+                    if (ltrim($current,$white_spaces) == '') {
+                        $enclosed     = true;
                         $was_enclosed = true;
                     }
                     else {
                         $this->error = 2;
                         $error_row   = count($rows) + 1;
                         $error_col   = $col + 1;
-                        if ( !isset($this->error_info[$error_row.'-'.$error_col]) ) {
+                        if (!isset($this->error_info[$error_row.'-'.$error_col])) {
                             $this->error_info[$error_row.'-'.$error_col] = array(
                                 'type'       => 2,
                                 'info'       => 'Syntax error found on row '.$error_row.'. Non-enclosed fields can not contain double-quotes.',
@@ -711,20 +711,20 @@ class parseCSV {
                     $current .= $ch;
                     $i++;
                 }
-                elseif ( $nch != $this->delimiter && $nch != "\r" && $nch != "\n" ) {
-                    for ( $x=($i+1); isset($data{$x}) && ltrim($data{$x}, $white_spaces) == ''; $x++ ) {}
-                    if ( $data{$x} == $this->delimiter ) {
+                elseif ($nch != $this->delimiter && $nch != "\r" && $nch != "\n") {
+                    for ($x=($i+1); isset($data{$x}) && ltrim($data{$x}, $white_spaces) == ''; $x++) {}
+                    if ($data{$x} == $this->delimiter) {
                         $enclosed = false;
                         $i        = $x;
                     }
                     else {
-                        if ( $this->error < 1 ) {
+                        if ($this->error < 1) {
                             $this->error = 1;
                         }
 
                         $error_row = count($rows) + 1;
                         $error_col = $col + 1;
-                        if ( !isset($this->error_info[$error_row.'-'.$error_col]) ) {
+                        if (!isset($this->error_info[$error_row.'-'.$error_col])) {
                             $this->error_info[$error_row.'-'.$error_col] = array(
                                 'type' => 1,
                                 'info' =>
@@ -748,24 +748,24 @@ class parseCSV {
             // end of field/row/csv
             }
             elseif ( ($ch == $this->delimiter || $ch == "\n" || $ch == "\r" || $ch === false) && !$enclosed ) {
-                $key           = ( !empty($head[$col]) ) ? $head[$col] : $col ;
-                $row[$key]     = ( $was_enclosed ) ? $current : trim($current) ;
+                $key           = (!empty($head[$col])) ? $head[$col] : $col;
+                $row[$key]     = ($was_enclosed) ? $current : trim($current);
                 $current       = '';
                 $was_enclosed  = false;
                 $col++;
 
                 // end of row
-                if ( $ch == "\n" || $ch == "\r" || $ch === false ) {
-                    if ( $this->_validate_offset($row_count) && $this->_validate_row_conditions($row, $this->conditions) ) {
-                        if ( $this->heading && empty($head) ) {
+                if ($ch == "\n" || $ch == "\r" || $ch === false) {
+                    if ($this->_validate_offset($row_count) && $this->_validate_row_conditions($row, $this->conditions)) {
+                        if ($this->heading && empty($head)) {
                             $head = $row;
                         }
-                        elseif ( empty($this->fields) || (!empty($this->fields) && (($this->heading && $row_count > 0) || !$this->heading)) ) {
-                            if ( !empty($this->sort_by) && !empty($row[$this->sort_by]) ) {
-                                if ( isset($rows[$row[$this->sort_by]]) ) {
+                        elseif (empty($this->fields) || (!empty($this->fields) && (($this->heading && $row_count > 0) || !$this->heading))) {
+                            if (!empty($this->sort_by) && !empty($row[$this->sort_by])) {
+                                if (isset($rows[$row[$this->sort_by]])) {
                                     $rows[$row[$this->sort_by].'_0'] = &$rows[$row[$this->sort_by]];
                                     unset($rows[$row[$this->sort_by]]);
-                                    for ( $sn=1; isset($rows[$row[$this->sort_by].'_'.$sn]); $sn++ ) {}
+                                    for ($sn=1; isset($rows[$row[$this->sort_by].'_'.$sn]); $sn++) {}
                                     $rows[$row[$this->sort_by].'_'.$sn] = $row;
                                 }
                                 else $rows[$row[$this->sort_by]] = $row;
@@ -780,11 +780,11 @@ class parseCSV {
                     $col = 0;
                     $row_count++;
 
-                    if ( $this->sort_by === null && $this->limit !== null && count($rows) == $this->limit ) {
+                    if ($this->sort_by === null && $this->limit !== null && count($rows) == $this->limit) {
                         $i = $strlen;
                     }
 
-                    if ( $ch == "\r" && $nch == "\n" ) {
+                    if ($ch == "\r" && $nch == "\n") {
                         $i++;
                     }
                 }
@@ -797,23 +797,23 @@ class parseCSV {
         }
 
         $this->titles = $head;
-        if ( !empty($this->sort_by) ) {
+        if (!empty($this->sort_by)) {
             $sort_type = SORT_REGULAR;
-            if ( $this->sort_type == 'numeric' ) {
+            if ($this->sort_type == 'numeric') {
                 $sort_type = SORT_NUMERIC;
             }
-            elseif ( $this->sort_type == 'string' ) {
+            elseif ($this->sort_type == 'string') {
                 $sort_type = SORT_STRING;
             }
 
-            ( $this->sort_reverse ) ? krsort($rows, $sort_type) : ksort($rows, $sort_type) ;
+            ($this->sort_reverse) ? krsort($rows, $sort_type) : ksort($rows, $sort_type);
 
-            if ( $this->offset !== null || $this->limit !== null ) {
+            if ($this->offset !== null || $this->limit !== null) {
                 $rows = array_slice($rows, ($this->offset === null ? 0 : $this->offset) , $this->limit, true);
             }
         }
 
-        if ( !$this->keep_file_data ) {
+        if (!$this->keep_file_data) {
             $this->file_data = null;
         }