Adding if statement in templates

src/psm/Module/Server/Controller/LogController.class.php

@@ -86,6 +86,7 @@ class LogController extends AbstractServerController {
 				'server_log_entries',
 				array(
 					'logtitle' => $key,
+					'has_users' => ($key == 'status') ? false : true,
 				)
 			);
 			$this->tpl->addTemplateData(

src/psm/Service/Template.class.php

@@ -118,6 +118,10 @@ class Template {
 				}
 				$source = $this->addTemplateData($source, $subdata, true);
 			} else {
+				// replace if statements
+				$if_replacement = empty($value) ? '' : '$1';
+				$source = preg_replace('{<!--\?'.$key.'-->(.*?)<!--\?\?'.$key.'-->}is', $if_replacement, $source);
+
 				$source = str_replace('{'.$key.'}', $value, $source);
 			}
 		}
@@ -202,10 +206,18 @@ class Template {
 						$tmp_string = str_replace('{'.$k.'}', $repeat_html, $tmp_string);
 					} else {
 						foreach($v as $vk => $vv) {
+							// replace if statements
+							$if_replacement = empty($vv) ? '' : '$1';
+							$tmp_string = preg_replace('{<!--\?'.$k.'_'.$vk.'-->(.*?)<!--\?\?'.$k.'_'.$vk.'-->}is', $if_replacement, $tmp_string);
+
 							$tmp_string = str_replace('{'.$k.'_'.$vk.'}', $vv, $tmp_string);
 						}
 					}
 				} else {
+					// replace if statements
+					$if_replacement = empty($v) ? '' : '$1';
+					$tmp_string = preg_replace('{<!--\?'.$k.'-->(.*?)<!--\?\?'.$k.'-->}is', $if_replacement, $tmp_string);
+					
 					$tmp_string = str_replace('{'.$k.'}', $v, $tmp_string);
 				}
 			}
@@ -225,6 +237,9 @@ class Template {
 		// check if there are any unused tpl_repeat templates, and if there are remove them
 		$result = preg_replace('{<!--%(.+?)-->(.*?)<!--%%\\1-->}is', '', $this->templates[$id]);
 
+		// check if there are any unused if, and if there are remove them
+		$result = preg_replace('{<!--\?(.+?)-->(.*?)<!--\?\?\\1-->}is', '', $result);
+		
 		// check for tpl variables that have not been replaced. ie: {name}. ignore literal stuff, though. ie: {{name}} is {name} and should not be removed
 		preg_match_all('~{?{(\w+?)}}?~', $result, $matches);
 

src/templates/server/log.tpl.html

@@ -26,14 +26,14 @@
 		<col />
 		<col />
 		<col style="width: 135px" />
-		<col />
+		<!--?has_users--><col /><!--??has_users-->
 	</colgroup>
     <thead>
         <tr>
             <th>{label_server}</th>
             <th>{label_message}</th>
             <th>{label_date}</th>
-            <th>{label_users}</th>
+			<!--?has_users--><th>{label_users}</th><!--??has_users-->
         </tr>
     </thead>
     <tbody>
@@ -42,7 +42,7 @@
           <td>{server}</td>
           <td>{message}</td>
           <td>{datetime_format}</td>
-          <td>{users}</td>
+          <!--?has_users--><td>{users}</td><!--??has_users-->
         </tr>
         <!--%%tpl_repeat_entries-->
         {entries}