1 files changed, 8 insertions, 23 deletions

diff --git a/functions.php b/functions.php
index 8a7824b..6d3d3cc 100644
--- a/functions.php
+++ b/functions.php
@@ -1,29 +1,14 @@
 <?php 
 
-
-function echoln($content){
-    if($content === true){
-        $content = "true";
-    }
-    if($content === false){
-        $content = "false";
+// 是否已经登录
+function isLogin() {
+    session_start(); 
+    if (isset($_SESSION["admin"]) && $_SESSION["admin"] === true) {
+        return true;
+    } else {
+        return false;
     }
-    echo $content; 
-    echo "<br/>";
-}
 
-function println($content) 
-{
-    print_r($content);
-    echo "<br/>";
 }
 
-// 替换为html转义字符，否则插入sql会有问题
-function html_escape_string($str) {
-    $str = str_replace("'", "&apos;", $str); // '
-    $str = str_replace('"', "&quot;", $str); // "
-    return $str;
-}
-
-?>
-
+?>
\ No newline at end of file