↗☻【PHP与MySQL程序设计 #BOOK#】第3章 PHP基础

<!DOCTYPE html>

<html lang="zh-CN">

<head>

    <meta charset="utf-8">

    <title></title>

</head>

<body>

    <?php

        // 局部变量

        $x = 4;

        function assignx($y) {

            $x = $y;

            echo "$x<br>";

        }

        assignx(0);

        echo $x . "<br>";

        // 全局变量

        $somevar = 15;

        function addit() {

            global $somevar;

            $somevar++;

            echo $somevar . "<br>";

        }

        addit();

        // 静态变量

        function keep_track() {

            static $count = 0;

            $count++;

            echo $count . '<br>';

        }

        keep_track();

        keep_track();

        keep_track();

        $links = array("The Apache Web Server" => "www.apache.org",

                        "Apress" => "www.apress.com");

        foreach($links as $title => $link) {

            echo "<a href=\"http://$link\">$title</a><br>";

        }

    ?>

</body>

</html>

巴特西

↗☻【PHP与MySQL程序设计 #BOOK#】第3章 PHP基础

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