code_len = intval($_GET['code_len']); if ($checkcode->code_len > 8 || $checkcode->code_len < 2) { $checkcode->code_len = 4; } if (isset($_GET['font_size']) && intval($_GET['font_size'])) $checkcode->font_size = intval($_GET['font_size']); if (isset($_GET['width']) && intval($_GET['width'])) $checkcode->width = intval($_GET['width']); if ($checkcode->width <= 0) { $checkcode->width = 130; } if (isset($_GET['height']) && intval($_GET['height'])) $checkcode->height = intval($_GET['height']); if ($checkcode->height <= 0) { $checkcode->height = 50; } $max_width = $checkcode->code_len * 28; $max_height = $checkcode->font_size * 2; if($checkcode->width > $max_width) $checkcode->width = $max_width; if($checkcode->height > $max_height) $checkcode->height = $max_height; if (isset($_GET['font_color']) && trim(urldecode($_GET['font_color'])) && preg_match('/(^#[a-z0-9]{6}$)/im', trim(urldecode($_GET['font_color'])))) $checkcode->font_color = trim(urldecode($_GET['font_color'])); if (isset($_GET['background']) && trim(urldecode($_GET['background'])) && preg_match('/(^#[a-z0-9]{6}$)/im', trim(urldecode($_GET['background'])))) $checkcode->background = trim(urldecode($_GET['background'])); $checkcode->doimage(); $_SESSION['code']=$checkcode->get_code();