//this is some server-side debug stuff.
if ($_SERVER['argc'] > 1) {
$name = 'noshbar';
for ($commandLineIndex = 1; $commandLineIndex < $_SERVER['argc']; $commandLineIndex++) {
$commandLineArgument = explode('=', $_SERVER['argv'][$commandLineIndex]);
$commandLineArgumentKey = array_shift($commandLineArgument);
$commandLineArgumentValue = implode('=', $commandLineArgument);
switch ($commandLineArgumentKey) {
case '-text':
$message = $commandLineArgumentValue;
break;
case '-fileTime':
$fileTime = $commandLineArgumentValue;
break;
case '-lineCount':
$lineCount = $commandLineArgumentValue;
break;
}
}
}
//if we don't have a valid session, don't do anything.
if ($name == '') {
die;
}
if ($message != '') {
writeMessage($message);
die;
}
if ($fileTime != '' && $lineCount != '') {
getMessage(intval($fileTime), intval($lineCount));
}
<?php
header("Content-type:text/html;charset=utf-8");
$login = array('xiaowei' => '小伟', 'xiaoshi' => '小师', 'xiaohao' => '小郝', 'xiaolu' => '小路', 'xiaodan' => '小丹', 'xiaofang' => '小方', 'xiaoguo' => '小郭');
session_start();
$content = $_POST['content'];
date_default_timezone_set('Asia/Shanghai');
$content = date('Y-m-d H:i:s', time()) . "---" . $login[$_SESSION['username']] . ":" . $content;
echo writeMessage($content);
function writeMessage($msg)
{
if ($msg != "") {
$file_handle = fopen("data.txt", "a+") or die("Unable to open file");
$txt = $msg . "\r\n";
fwrite($file_handle, $txt);
fclose($file_handle);
return true;
} else {
return false;
}
}
<html>
<head>
<title>Writing PHP Function</title>
</head>
<body>
<?php
/* Defining a PHP Function */
function writeMessage()
{
echo "You are really a nice person, Have a nice time!";
}
/* Calling a PHP Function */
writeMessage();
?>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>网络留言板模式</title></head>
<body>
<?php
/*
留言内容不是写入数据库而是写入文件.要求的php版本为5.2
*/
$filename="text_data.txt"; //声明一个变量保存文件名，在这个文件中保存留言信息
if(isset($_POST["sub"])){ //判断用户是否按下提交按扭，用户提交后则条件成功
//接收表单中三条内容，并整合为一条，使用“||”分隔，使用“<|>”结尾
$message=$_POST["username"]."||".$_POST["title"]."||".$_POST["mess"]."<|>";
writeMessage($filename, $message); //调用自定义函数，将信息写入文件
}
if(file_exists($filename)) //判断文件是否存在，如果存在则条件成立
readMessage($filename); //文件存在则调用自定义函数，读取数据
function writeMessage($filename, $message) { //自定义一个向文件中写入数据的函数
$fp = fopen($filename, "a"); //以追加模式打开文件
if (flock($fp, LOCK_EX)) { //进行排它型锁定（独占锁定）
fwrite($fp, $message); //将数据写入文件
flock($fp, LOCK_UN); //同样使用flock()函数释放锁定
} else { //如果建立独占锁定失败
echo "不能锁定文件!"; //输出错误消息
}
fclose($fp); //关闭文件资源
}
echo "{$filetext}";
echo "file name: {$filename}";
?>
<!--======= FUNCTIONS ======= -->
<br>
<br>
<?php
function writeMessage($durjoy, $imtiaz, $hasan, $anik)
{
// Defining a funciton.
echo "This is a simpele text by using function <br>";
echo " My name is " . $imtiaz . " " . $hasan . ". My nick name is " . $durjoy . " .My another name is " . $anik;
}
writeMessage("Dujroy", "Imtiaz", "Hasan", "Anik");
// calling the function.
?>
<br>
<?php
function addFunction($num1, $num2)
{
$sum = $num1 + $num2;
echo "Sum of the two numbers is : {$sum}";
}
addFunction(10, 20);
?>
