php显示html源代码函数 如果你想在后台更改页面底部代码，而其中有html代码，输入框显示不出源代码，pre标签又没有用，那么你不防试试下面的函数 function UNHTML($content){ $content=htmlspecialchars($content); $content=str_ireplace(chr(13),"<br>",$content); $content=str_ireplace(chr(32)," ",$content); $content=str_ireplace("[_[","<",$content); $content=str_ireplace(")_)",">",$content); $content=str_ireplace("|_|"," ",$content); return trim($content); }

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centos7快速搭建LAMP 1、安装apache　　1.1 安装apache [root@host ~]# yum install httpd httpd-devel1.2 启动apache服务 [root@host ~]# systemcti start httpd1.3 设置httpd服务开机启动 [root@host ~]# systemctl enable httpd1.4 防火墙设置开启80端口 [root@host ~]# firewall-cmd --permanent --zone=public --add-service=http success [root@host ~]# firewall-cmd --permanent --zone=public --add-service=https success [root@host ~]# firewall-cmd --reload success2、安装mysql　　2.1 安装mysql [root@host ~]# yum install mariadb mariadb-server mariadb-libs mariadb-devel2.2 开启mysql [root@host ~]# systemctl start mariadb 2.3 设置mysql服务开机启动 [root@host ~]# systemctl enable mariadb2.4 数据库安全设置 NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY! In order to log into MariaDB to secure it, we'll need the current password for the root user. If you've just installed MariaDB, and you haven't set the root password yet, the password will be blank, so you should just press enter here. Enter current password for root (enter for none): OK, successfully used password, moving on... Setting the root password ensures that nobody can log into the MariaDB root user without the proper authorisation. Set root password? [Y/n] y New password: Re-enter new password: Password updated successfully! Reloading privilege tables.. ... Success!s By default, a MariaDB installation has an anonymous user, allowing anyone to log into MariaDB without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment. Remove anonymous users? [Y/n] y ... Success! Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network. Disallow root login remotely? [Y/n] n ... skipping. By default, MariaDB comes with a database named 'test' that anyone can access. This is also intended only for testing, and should be removed before moving into a production environment. Remove test database and access to it? [Y/n] y - Dropping test database... ... Success! - Removing privileges on test database... ... Success! Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? [Y/n] y ... Success! Cleaning up... All done! If you've completed all of the above steps, your MariaDB installation should now be secure. Thanks for using MariaDB!3、安装PHP　　3.1 安装php [root@host ~]# yum -y install php3.2 将php与mysql关联 [root@host ~]# yum install php-mysql3.3 安装常用PHP模块 [root@host ~]# yum install -y php-gd php-ldap php-odbc php-pear php-xml php-xmlrpc php-mbstring php-snmp php-soap curl curl-devel php-bcmath3.4 重启apache服务器 [root@root ~]# systemctl restart http现在centos7下lamp环境就已经安装完毕