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Homephp教程php手册PHP代码判断设备是手机还是平板电脑(两种方法)

随着互联网移动设备的普及,很多网站都兼容手机端浏览,为了更好的让网页在手机端显示,我们都选择了使用CSS媒体查询制作响应式模版。本文给大家介绍PHP代码判断

现在移动互联网越来越发达,,很多的网站都普及了手机端浏览,为了更好的让网页在手机端显示,我们都选择了使用CSS媒体查询制作响应式模版,但这也有弊端,例如某些网站的结构是CMS类型的,太多的内容要显示,而使用CSS媒体查询设计响应式,只会隐藏但还是加载了,为了让手机端更快速的显示出内容,我们可以使用这个PHP判断手机设备代码,使用这个代码可以很方便的显示或不显示自定义的内容。

在做WEB开发的时候经常会需要用到对移动设备的页面匹配,当然可以直接把网站做成响应式的,但如果不想这么做的话,可以使用PHP对设备类型进行判断, 然后显示相应的界面和内容。今天分享一种使用 PHP 判断设备是否是手机/平板的方法,方法来源于WordPress(wp-includes/vars.php:125),适用于大部分类型的手机/平板判 断:

方法一:

/** * Test if the current browser runs on a mobile device (smart phone, tablet, etc.) * * @staticvar bool $is_mobile * * @return bool */ function wp_is_mobile() { static $is_mobile = null; if ( isset( $is_mobile ) ) { return $is_mobile; } if ( empty($_SERVER['HTTP_USER_AGENT']) ) { $is_mobile = false; } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.) || strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mobi') !== false ) { $is_mobile = true; } else { $is_mobile = false; } return $is_mobile; }

代码二:

这是PHP判断手机设备函数代码,复制到PHP函数库中调用:

这是调用代码,可以加上if判断:

设置手机端的内容

以上所述就是本文的全部内容,希望大家喜欢。

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