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PHP跳转函数

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Release: 2016-06-23 13:59:29
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PHP 跳转,即重定向浏览器到指定的 URL,是一个很常见的功能。这种功能也有一些细节性的要求,比如等待多少秒以后跳转,用不用JavaScript实现跳转,等等。下面的跳转方法考虑到很多,并参数化,可以用到具体的项目当中。

<?php      /**       * 重定向浏览器到指定的 URL       *       * @param string $url 要重定向的 url       * @param int $delay 等待多少秒以后跳转       * @param bool $js 指示是否返回用于跳转的 JavaScript 代码       * @param bool $jsWrapped 指示返回 JavaScript 代码时是否使用 <mce:script type="text/javascript"><!--  标签进行包装       * @param bool $return 指示是否返回生成的 JavaScript 代码       */        function redirect($url, $delay = 0, $js = false, $jsWrapped = true, $return = false)         {             $delay = (int)$delay;             if (!$js) {                 if (headers_sent() || $delay > 0) {                     echo <<<EOT             <html>             <head>             <meta http-equiv="refresh" content="{$delay};URL={$url}" />             </head>             </html>         EOT;                     exit;                 } else {                     header("Location: {$url}");                     exit;                 }             }                     $out = '';             if ($jsWrapped) {                 $out .= '<script language="JavaScript" type="text/javascript">';             }             $url = rawurlencode($url);             if ($delay > 0) {                 $out .= "window.setTimeOut(function () { document.location='{$url}'; }, {$delay});";             } else {                 $out .= "document.location='{$url}';";             }             if ($jsWrapped) {                 $out .= '  // --></mce:script>';             }                     if ($return) {                 return $out;             }                     echo $out;             exit;         }       ?>
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