<?php
// 偽靜態(tài)方法一

// localhost/php100/test.php?id|1@action|2
$Php2Html_FileUrl = $_SERVER["REQUEST_URI"];
echo $Php2Html_FileUrl . "<br>"; // /php100/test.php?id|1@action|2

$Php2Html_UrlString = str_replace("?", "", str_replace("/", "", strrchr(strrchr($Php2Html_FileUrl, "/"), "?")));
echo $Php2Html_UrlString . "<br>"; // id|1@action|2

$Php2Html_UrlQueryStrList = explode("@", $Php2Html_UrlString);
print_r($Php2Html_UrlQueryStrList); // Array ( [0] => id|1 [1] => action|2 )
echo "<br>";

foreach ($Php2Html_UrlQueryStrList as $Php2Html_UrlQueryStr) {
    $Php2Html_TmpArray = explode("|", $Php2Html_UrlQueryStr);
    print_r($Php2Html_TmpArray); // Array ( [0] => id [1] => 1 ) ; Array ( [0] => action [1] => 2 )
    echo "<br>";
    $_GET[$Php2Html_TmpArray[0]] = $Php2Html_TmpArray[1];
}

//echo '假靜態(tài)：$_GET變量<br />';
print_r($_GET); // Array ( [id|1@action|2] => [id] => 1 [action] => 2 )
echo "<br>";
echo "<hr>";
echo $_GET['id'] . "<br>"; // 1
echo $_GET['action']; // 2
?>

<?php
// 偽靜態(tài)方法二

// localhost/php100/test.php/1/2
$filename = basename($_SERVER['SCRIPT_NAME']);
echo $_SERVER['SCRIPT_NAME'] . "<br>"; // /php100/test.php
echo $filename . "<br>"; // test.php

if (strtolower($filename) == 'test.php') {
    if (!empty($_GET['id'])) {
        $id = intval($_GET['id']);
        echo $id . "<br>";
        $action = intval($_GET['action']);
        echo $action . "<br>";
    } else {
        $nav = $_SERVER['REQUEST_URI'];
        echo "1:" . $nav . "<br>"; // /php100/test.php/1/2
        $script = $_SERVER['SCRIPT_NAME'];
        echo "2:" . $script . "<br>"; // /php100/test.php
        $nav = ereg_replace("^$script", "", urldecode($nav));
        echo $nav . "<br>"; // /1/2
        $vars = explode("/", $nav);
        print_r($vars); // Array ( [0] => [1] => 1 [2] => 2 )
        echo "<br>";
        $id = intval($vars[1]);
        $action = intval($vars[2]);
    }
    echo $id . '&' . $action;
}
?>

<?php
// 偽靜態(tài)方法三

function mod_rewrite() {
    global $_GET;
    $nav = $_SERVER["REQUEST_URI"];
    echo $nav . "<br>";
    $script_name = $_SERVER["SCRIPT_NAME"];
    echo $script_name . "<br>";
    $nav = substr(ereg_replace("^$script_name", "", urldecode($nav)), 1);
    echo $nav . "<br>";
    $nav = preg_replace("/^.ht(m){1}(l){0,1}$/", "", $nav); // 這句是去掉尾部的.html或.htm
    echo $nav . "<br>";
    $vars = explode("/", $nav);
    print_r($vars);
    echo "<br>";
    for ($i = 0; $i < count($vars); $i += 2) {
        $_GET["$vars[$i]"] = $vars[$i + 1];
    }
    return $_GET;
}

mod_rewrite();
$year = $_GET["year"]; // 結(jié)果為'2006'
echo $year . "<br>";
$action = $_GET["action"]; // 結(jié)果為'_add'
echo $action;
?>

<?php
// 偽靜態(tài)方法四

// 利用 server 變量 取得 PATH_INFO 信息 該例中為 /1,100,8630.html 也就是執(zhí)行腳本名后面的部分
if (@$path_info = $_SERVER["PATH_INFO"]) {
    // 正則匹配一下參數(shù)
    if (preg_match("/\/(\d+),(\d+),(\d+)\.html/si", $path_info, $arr_path)) {
        $gid = intval($arr_path[1]); // 取得值 1
        $sid = intval($arr_path[2]); // 取得值 100
        $softid = intval($arr_path[3]); // 取得值 8630
    } else {
        die("Path:Error!");
    }
    // 相當(dāng)于 soft.php?gid=1&sid=100&softid=8630
} else {
    die('Path:Nothing!');
}
?>

<Directory />
    Options FollowSymLinks
    AllowOverride None
</Directory>

<Directory />
    Options FollowSymLinks
    AllowOverride All
</Directory>

RewriteEngine on
# RewriteEngine 為重寫(xiě)引擎開(kāi)關(guān)，on 為開(kāi)啟，off 為關(guān)閉
RewriteRule ([0-9]{1,})$ index.php?id=$1
# ([0-9]{1,}) 是指由數(shù)字組成的，$ 是結(jié)束標(biāo)志，說(shuō)明是以數(shù)字結(jié)束！

# 好吧，現(xiàn)在我們可以實(shí)現(xiàn)偽靜態(tài)頁(yè)面了，寫(xiě)下一個(gè)規(guī)則：
RewriteEngine on
RewriteRule ([a-zA-Z]{1,})-([0-9]{1,})\.html$ index.php?action=$1&id=$2
# ([a-zA-Z]{1,})-([0-9]{1,})\.html$ 是規(guī)則，index.php?action=$1&id=$2 是要替換的格式，
# $1 代表第一個(gè)括號(hào)匹配的值，$2 代表第二個(gè)，如此類(lèi)推！