我正在尝试使用Cookie设置一个多语言网站。一切都很好,但是我无法设置默认语言。 当我不带参数进入根网站时,在php中出现错误未定义索引。
I'm trying to set a multilungal website using cookie. Everything's fine but I'm having trouble setting a default language. I'm getting an error "undefined index" in php when i get to the root website without parameter.
<?php if (isset ($_COOKIE['CHOIXlang']) && $_GET['langue'] != 'fr' && $_GET['langue'] != 'en' && $_GET['langue'] != 'es') { $langue = $_COOKIE['CHOIXlang']; } else if ($_GET['langue'] == 'en' || $_GET['langue'] == 'fr' || $_GET['langue'] == 'es') { $langue = $_GET['langue']; set_cookie($langue); } else { $langue = substr($HTTP_SERVER_VARS['HTTP_ACCEPT_LANGUAGE'],0,2); set_cookie($langue); } ?> <?php function set_cookie($langue) { $expire = 365*24*3600; if (setcookie("CHOIXlang", $langue, time() + $expire) != TRUE) { } else { setcookie("CHOIXlang", $langue, time() + $expire); } } ?>在体内:
<?php if ($_GET['langue'] == "fr" || $langue == "fr") { include('lang/fr-lang.php'); } elseif ($_GET['langue'] == "en" || $langue == "en") { include('lang/en-lang.php'); } elseif ($_GET['langue'] == "es" || $langue == "es") { include('lang/es-lang.php'); } ?>在网站打开时我错过了设置默认语言的原因吗?
What did I miss to set default language when the website opens ?
谢谢
推荐答案您需要检查是否设置了get参数语言: isset($ _ GET ['langue'])
You need to check if your get parameter langue is set: isset($_GET['langue'])
<?php if (!isset($_GET['langue']) { include('lang/default-lang.php'); } elseif ($langue == "fr") { include('lang/fr-lang.php'); } elseif ($langue == "en") { include('lang/en-lang.php'); } elseif ($langue == "es") { include('lang/es-lang.php'); } ?>此外,您还需要更改以下行: $ langue = $ _GET ['langue']; 改为:
Also in you need to change this line : $langue = $_GET['langue']; to this:
if (isset($_GET['langue'])) $langue = $_GET['langue'];更新
您无法访问任何GET值那不存在。您需要检查它是否已设置。如果设置了参数, isset($ _ GET ['langue'])将返回true,因此只需在代码开头使用一次此检查即可。 我建议这样做:
You cannot access any GET value that does not exist. First you need to check if it was set. isset($_GET['langue']) returns true if the parameter was set, so just use this check once at the beginning of your code. I'd suggest this:
$langue = ""; if (!isset($_GET['langue']){ $langue = $_GET['langue']; }然后仅使用 $ langue 而不是 $ _ GET ['langue'] 。
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