'.__('Settings').''; } return $links; } function options_page_urlparams() { include __DIR__ .'/options.php'; } function urlparam($attributes, $content) { $defaults = array( 'param' => '', 'default' => '', 'dateformat' => '', 'attr' => '', 'htmltag' => false, ); // If $attributes is an array, we merge it with our defaults if(is_array($attributes)) { // We used to use shortcode_atts(), but that would nuke an extra attributes that we don't know about but want. array_merge() keeps them all. $attributes = array_merge($defaults, $attributes); } else { $attributes = $defaults; } $params = preg_split('/,\s*/',$attributes['param']); $return = false; foreach($params as $param) { if(!$return && array_key_exists($param, $_REQUEST) && ($rawText = $_REQUEST[$param]) ) { if(($attributes['dateformat'] != '') && strtotime($rawText) ) { $return = date($attributes['dateformat'], strtotime($rawText)); } else { $return = esc_html($rawText); } } } if(!$return) { $return = $attributes['default']; } if($attr = $attributes['attr']) { $return = ' ' . sanitize_key($attr) . '="' . esc_attr($return) . '" '; if($attributes['htmltag']) { $tagName = $attributes['htmltag']; foreach(array_keys($defaults) as $key) { unset($attributes[$key]); } $otherAttributes = ""; foreach($attributes as $key => $val) { $otherAttributes .= ' '.sanitize_key($key).'="'.esc_attr($val).'" '; } $return = "<$tagName $otherAttributes $return".($content ? ">$content" : "/>"); } } $allowedHtml = wp_kses_allowed_html('post'); // Do we have any custom tags set? Add those if($customTags = urlparams_get_customtags()) { foreach($customTags as $customTag => $attributes) { // Is this already an allowed tag? Merge our approved attributes in, too if(array_key_exists($customTag, $allowedHtml)) { $allowedHtml[$customTag] = array_merge($allowedHtml[$customTag], $attributes); } else { $allowedHtml[$customTag] = $attributes; } } } return wp_kses($return, $allowedHtml); } /* * If 'param' is found and 'is' is set, compare the two and display the contact if they match * If 'param' is found and 'is' isn't set, display the content between the tags * If 'param' is not found and 'empty' is set, display the content between the tags * */ function ifurlparam($attributes, $content) { $attributes = shortcode_atts(array( 'param' => '', 'empty' => false, 'is' => false, ), $attributes); $params = preg_split('/,\s*/',$attributes['param']); foreach($params as $param) { if(isset($_REQUEST[$param]) && ($value = $_REQUEST[$param])) { if($attributes['empty']) { return ''; } elseif(!($isAttribute = $attributes['is']) || ($value == $isAttribute) ) { return do_shortcode($content); } } } if ($attributes['empty']) { return do_shortcode($content); } return ''; } function uninstall_urlparams() { delete_option('urlparams_customtags'); } function admin_init_urlparams() { register_setting('urlparams', 'urlparams_customtags', [ 'sanitize_callback' => 'urlparams_sanitize_customtags', ]); } /** * * Sanitize our custom tag options * * @param string $newCustomTags * @return string */ function urlparams_sanitize_customtags($newCustomTags) { $isValid = true; $lines = explode("\n", $newCustomTags); $validLines = []; foreach($lines as $line) { $lineParts = explode(':', $line); if(count($lineParts) !== 2) { $isValid = false; continue; } if(!($tagName = trim(strtolower($lineParts[0])))) { $isValid = false; continue; } if(!($attributes = explode(',', $lineParts[1]))) { $isValid = false; continue; } $validAttributes = []; foreach($attributes as $attribute) { if($attribute = strtolower(trim($attribute))) { $validAttributes[] = $attribute; } } $validAttributes = array_unique($validAttributes); if(!$validAttributes) { $isValid = false; continue; } $validLines[] = $tagName.': '.implode(', ', $validAttributes); } if(!$isValid) { add_settings_error('urlparams_customtags', 'urlparams_customtags', __('Invalid Custom Tags were removed', 'urlparams'), 'warning'); } return join("\n", $validLines); } /** * * Return our array of custom tag options * * @return array */ function urlparams_get_customtags() { $lines = explode("\n", get_option('urlparams_customtags')); $customTags = []; foreach($lines as $line) { $lineParts = explode(':', $line); if(count($lineParts) !== 2) { continue; } $tagName = trim($lineParts[0]); $attributes = explode(',', $lineParts[1]); $customTags[$tagName] = []; foreach($attributes as $attribute) { $customTags[$tagName][trim($attribute)] = true; } } return $customTags; } ?>