Cleanup of stray spaces and tabs

1 files changed, 37 insertions, 37 deletions

diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 67db50947..3c80bb756 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -40,9 +40,9 @@
 if ( ! function_exists('create_captcha'))
 {
 	function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')
-	{		
-		$defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200);		
-	
+	{
+		$defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200);
+
 		foreach ($defaults as $key => $val)
 		{
 			if ( ! is_array($data))
@@ -53,11 +53,11 @@ if ( ! function_exists('create_captcha'))
 				}
 			}
 			else
-			{			
+			{
 				$$key = ( ! isset($data[$key])) ? $val : $data[$key];
 			}
 		}
-	
+
 		if ($img_path == '' OR $img_url == '')
 		{
 			return FALSE;
@@ -67,45 +67,45 @@ if ( ! function_exists('create_captcha'))
 		{
 			return FALSE;
 		}
-	
+
 		if ( ! is_writable($img_path))
 		{
 			return FALSE;
 		}
-			
+
 		if ( ! extension_loaded('gd'))
 		{
 			return FALSE;
-		}		
-	
+		}
+
 		// -----------------------------------
-		// Remove old images	
+		// Remove old images
 		// -----------------------------------
-			
+
 		list($usec, $sec) = explode(" ", microtime());
 		$now = ((float)$usec + (float)$sec);
-			
+
 		$current_dir = @opendir($img_path);
-	
+
 		while($filename = @readdir($current_dir))
 		{
 			if ($filename != "." and $filename != ".." and $filename != "index.html")
 			{
 				$name = str_replace(".jpg", "", $filename);
-		
+
 				if (($name + $expiration) < $now)
 				{
 					@unlink($img_path.$filename);
 				}
 			}
 		}
-	
+
 		@closedir($current_dir);
 
 		// -----------------------------------
 		// Do we have a "word" yet?
 		// -----------------------------------
-	
+
 	   if ($word == '')
 	   {
 			$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
@@ -115,23 +115,23 @@ if ( ! function_exists('create_captcha'))
 			{
 				$str .= substr($pool, mt_rand(0, strlen($pool) -1), 1);
 			}
-		
+
 			$word = $str;
 	   }
-	
+
 		// -----------------------------------
-		// Determine angle and position	
+		// Determine angle and position
 		// -----------------------------------
-	
+
 		$length	= strlen($word);
 		$angle	= ($length >= 6) ? rand(-($length-6), ($length-6)) : 0;
-		$x_axis	= rand(6, (360/$length)-16);			
+		$x_axis	= rand(6, (360/$length)-16);
 		$y_axis = ($angle >= 0 ) ? rand($img_height, $img_width) : rand(6, $img_height);
-	
+
 		// -----------------------------------
 		// Create image
 		// -----------------------------------
-	
+
 		// PHP.net recommends imagecreatetruecolor(), but it isn't always available
 		if (function_exists('imagecreatetruecolor'))
 		{
@@ -141,11 +141,11 @@ if ( ! function_exists('create_captcha'))
 		{
 			$im = imagecreate($img_width, $img_height);
 		}
-			
+
 		// -----------------------------------
 		//  Assign colors
 		// -----------------------------------
-	
+
 		$bg_color		= imagecolorallocate ($im, 255, 255, 255);
 		$border_color	= imagecolorallocate ($im, 153, 102, 102);
 		$text_color		= imagecolorallocate ($im, 204, 153, 153);
@@ -155,13 +155,13 @@ if ( ! function_exists('create_captcha'))
 		// -----------------------------------
 		//  Create the rectangle
 		// -----------------------------------
-	
+
 		ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color);
-	
+
 		// -----------------------------------
 		//  Create the spiral pattern
 		// -----------------------------------
-	
+
 		$theta		= 1;
 		$thetac		= 7;
 		$radius		= 16;
@@ -185,9 +185,9 @@ if ( ! function_exists('create_captcha'))
 		// -----------------------------------
 		//  Write the text
 		// -----------------------------------
-	
+
 		$use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE;
-		
+
 		if ($use_font == FALSE)
 		{
 			$font_size = 5;
@@ -210,32 +210,32 @@ if ( ! function_exists('create_captcha'))
 				$x += ($font_size*2);
 			}
 			else
-			{		
+			{
 				$y = rand($img_height/2, $img_height-3);
 				imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1));
 				$x += $font_size;
 			}
 		}
-	
+
 
 		// -----------------------------------
 		//  Create the border
 		// -----------------------------------
 
-		imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color);		
+		imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color);
 
 		// -----------------------------------
 		//  Generate the image
 		// -----------------------------------
-	
+
 		$img_name = $now.'.jpg';
 
 		ImageJPEG($im, $img_path.$img_name);
-	
+
 		$img = "<img src=\"$img_url$img_name\" width=\"$img_width\" height=\"$img_height\" style=\"border:0;\" alt=\" \" />";
-	
+
 		ImageDestroy($im);
-		
+
 		return array('word' => $word, 'time' => $now, 'image' => $img);
 	}
 }