diff options
Diffstat (limited to 'system/helpers/captcha_helper.php')
| -rw-r--r-- | system/helpers/captcha_helper.php | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 29911dc17..ea46f97b3 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -126,9 +126,9 @@ if ( ! function_exists('create_captcha')) // Determine angle and position // ----------------------------------- $length = strlen($word); - $angle = ($length >= 6) ? rand(-($length-6), ($length-6)) : 0; - $x_axis = rand(6, (360/$length)-16); - $y_axis = ($angle >= 0) ? rand($img_height, $img_width) : rand(6, $img_height); + $angle = ($length >= 6) ? mt_rand(-($length-6), ($length-6)) : 0; + $x_axis = mt_rand(6, (360/$length)-16); + $y_axis = ($angle >= 0) ? mt_rand($img_height, $img_width) : mt_rand(6, $img_height); // Create image // PHP.net recommends imagecreatetruecolor(), but it isn't always available @@ -183,13 +183,13 @@ if ( ! function_exists('create_captcha')) if ($use_font === FALSE) { $font_size = 5; - $x = rand(0, $img_width / ($length / 3)); + $x = mt_rand(0, $img_width / ($length / 3)); $y = 0; } else { $font_size = 16; - $x = rand(0, $img_width / ($length / 1.5)); + $x = mt_rand(0, $img_width / ($length / 1.5)); $y = $font_size + 2; } @@ -197,13 +197,13 @@ if ( ! function_exists('create_captcha')) { if ($use_font === FALSE) { - $y = rand(0 , $img_height / 2); + $y = mt_rand(0 , $img_height / 2); imagestring($im, $font_size, $x, $y, $word[$i], $colors['text']); $x += ($font_size * 2); } else { - $y = rand($img_height / 2, $img_height - 3); + $y = mt_rand($img_height / 2, $img_height - 3); imagettftext($im, $font_size, $angle, $x, $y, $colors['text'], $font_path, $word[$i]); $x += $font_size; } |