t("Do not filter"), 1 => t("Strip tags"), 2 => t("Escape tags")), t("How to deal with HTML and PHP tags in user-contributed content. If set to \"Strip tags\", dangerous tags are removed (see below). If set to \"Escape tags\", all HTML is escaped and presented as it was typed.")); $group1 .= form_textfield(t("Allowed HTML tags"), "allowed_html", variable_get("allowed_html", "

"), 64, 255, t("If \"Strip tags\" is selected, optionally specify tags which should not be stripped. 'ON*' attributes and unclosed tags are always stripped.")); $group1 .= form_radios(t("HTML style attributes"), "filter_style", variable_get("filter_style", 1), array(t("Allowed"), t("Removed")), t("If \"Strip tags\" is selected, you can choose whether 'STYLE' attributes are allowed or removed from input.")); $output .= form_group(t("HTML filtering"), $group1); $group2 .= form_radios(t("Rewrite old URLs"), "rewrite_old_urls", variable_get("rewrite_old_urls", 0), array(t("Disabled"), t("Enabled")), t("The introduction of 'clean URLs' in Drupal 4.2.0 breaks internal URLs that date back from Drupal 4.1.0 and before. If enabled, this filter will attempt to rewrite the old style URLs to avoid broken links. If mod_rewrite is available on your system, use the rewrite rules in Drupal's .htaccess file instead as these will also correct external referrers.")); $output .= form_group(t("Legacy filtering"), $group2); return $output; } function check_output($text) { if (isset($text)) { // filter content on output: $modules = module_list(); // Default filters are run first: they determine how to handle HTML $text = filter_default($text); foreach ($modules as $name) { if (module_hook($name, "filter")) { $text = module_invoke($name, "filter", $text); } } /* ** If only inline elements are used and no block level elements, we ** replace all newlines with HTML line breaks. */ if (strip_tags($text, '