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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Sample 2_1</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript">
<!--
//Create a boolean variable to check for a valid Internet Explorer instance.
var xmlhttp = false;
//Check if we are using IE.
function creatXMLHttp(){
try
{
//If the Javascript version is greater than 5.
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
//alert ("You are using Microsoft Internet Explorer.");
}
catch (e)
{
//If not, then use the older active x object.
try
{
//If we are using Internet Explorer.
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
//alert ("You are using Microsoft Internet Explorer");
}
catch (E)
{
//Else we must be using a non-IE browser.
xmlhttp = false;
}
}
//If we are using a non-IE browser, create a javascript instance of the object.
if (!xmlhttp && typeof XMLHttpRequest != 'undefined')
{
xmlhttp = new XMLHttpRequest();
//alert ("You are not using Microsoft Internet Explorer");
}
}
function makerequest(serverPage, objID)
{
creatXMLHttp();
var obj = document.getElementById(objID);
xmlhttp.open("GET", serverPage);
xmlhttp.onreadystatechange = function()
{
if (xmlhttp.readyState == 4 && xmlhttp.status == 200)
{
obj.innerHTML = xmlhttp.responseText;
}
}
xmlhttp.send(null);
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<?php
function extend_1($file_name)
{
$retval="";
$pt=strrpos($file_name, ".");
if ($pt) $retval=substr($file_name, $pt+1, strlen($file_name) - $pt);
return ($retval);
}
?>
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function extend_2($file_name)
{
$extend = pathinfo($file_name);
$extend = strto ......
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<form id="textarea_test" action="textarea.php" method="post">
<textarea cols="50" rows="5" name="aa" id="abc" >
<?php
$str = $_POST['aa'];
//var_dump($str);
//$str = "chenjinle le";
$array = explode("\n", trim($ ......
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