【问题标题】:Warning: session_start(): Cannot send session cache limiter - How to fix this [duplicate]警告:session_start():无法发送会话缓存限制器 - 如何解决此问题 [重复]
【发布时间】:2018-06-16 00:26:18
【问题描述】:

警告:session_start():无法发送会话缓存限制器 - 已在 /home2/username/public_html 中发送标头(输出开始于 /home2/username/public_html/domain/themes/admin/includes/header.php:9) /domain/themes/admin/includes/header.php 在第 10 行

header.php 的代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <link href='http://fonts.googleapis.com/css?family=Open+Sans+Condensed:300' rel='stylesheet' type='text/css'>
    <link href='http://fonts.googleapis.com/css?family=Open+Sans:400italic,400,600italic,600' rel='stylesheet' type='text/css'>

    <?php
        if (!isset($_SESSION)) session_start();
        if (!isset($_SESSION['admin_eap_secure'])) 
        {
            header('Location: ./index.php');
        }
        include "../config/config.php";
        include "../includes/functions.php";
    ?>

【问题讨论】:

    标签: php session


    【解决方案1】:

    此代码 if (!isset($_SESSION)) session_start(); 必须位于任何 HTML 或任何回显之前。

    哦,对不起,会话代码+标题应该在之前。像这样:

        <?php
            if (!isset($_SESSION)) session_start();
            if (!isset($_SESSION['admin_eap_secure'])) 
            {
                header('Location: ./index.php');
            }
            include "../config/config.php";
            include "../includes/functions.php";
        ?>
        <!DOCTYPE html>
        <html lang="en">
            <head>
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
                <link href='http://fonts.googleapis.com/css?family=Open+Sans+Condensed:300' rel='stylesheet' type='text/css'>
                <link href='http://fonts.googleapis.com/css?family=Open+Sans:400italic,400,600italic,600' rel='stylesheet' type='text/css'>
    

    【讨论】:

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