PHP Web version chat software implementation code _php instance

This example for you to share the PHP anonymous chat room of the specific implementation code for your reference, the specific contents are as follows

1. index.html

2. action.php

<?php
 
$link = mysqli_connect (' localhost ', ' root ', ' 123 ', ' Test ');
Mysqli_query ($link, ' Set names UTF8 ');
$info = Array ();
Header ("content-type:text/html; Charset=utf-8 ");
$id =$_get[' Maxid '];
$data = Mysqli_query ($link, "select * from Talk where id> $id");
while ($array = Mysqli_fetch_assoc ($data)) {
 $info [] = $array;
};
 
 echo Json_encode ($info);

3. Chat.sql

DROP TABLE IF EXISTS ' talk ';
CREATE TABLE ' Talk ' (
 ' id ' int "unsigned not NULL auto_increment COMMENT ' id ',
 ' send ' varchar () CHARACTER S ET UTF8 default null COMMENT ' sender nickname ',
 ' IP ' varchar (a) CHARACTER SET UTF8 DEFAULT null,
 ' content ' varchar (C) Haracter SET UTF8 default null,
 ' time ' varchar default NULL,
 PRIMARY KEY (' id ')
engine=innodb auto_i ncrement=52 DEFAULT Charset=utf8;

4. add.php

<?php
 
/**
 * @ feature inserts the form into the database * * * *
$content =$_post[' content '];
Print_r ($_post);
$time = Date ("Y-m-d h:i:s", Time (0));
$link = Mysqli_connect (' localhost ', ' root ', ' 123 ', ' Test ');
Mysqli_query ($link, ' Set names UTF8 ');
$ip = $_server["REMOTE_ADDR"];
$sql = "INSERT into Talk VALUES (NULL, ' Anonymous ', ' $ip ', ' $content ', ' $time ')";
$data = Mysqli_query ($link, $sql);
echo "$content";
if ($data)
 echo "1";
 else
  echo "0";

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