WordPress 获取主题样式表 style.css 注释里的信息

我们在 Style.css 中都会填入自己的主题信息，例如名称或版本号等，以便 WordPress 展现给用户。以下是WP官方 2014 主题的注释：

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/*
Theme Name: Twenty Fourteen
Theme URI: http://wordpress.org/themes/twentyfourteen
Author: the WordPress team
Author URI: http://wordpress.org/
Description: In 2014, our default theme lets you create a responsive magazine website with a sleek, modern design. Feature your favorite homepage content in either a grid or a slider. Use the three widget areas to customize your website, and change your content's layout with a full-width page template and a contributor page to show off your authors. Creating a magazine website with WordPress has never been easier.
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: black, green, white, light, dark, two-columns, three-columns, left-sidebar, right-sidebar, fixed-layout, responsive-layout, custom-background, custom-header, custom-menu, editor-style, featured-images, flexible-header, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready, accessibility-ready
Text Domain: twentyfourteen 
 
This theme, like WordPress, is licensed under the GPL.
Use it to make something cool, have fun, and share what you've learned with others.
*/

/* Theme Name: Twenty Fourteen Theme URI: http://wordpress.org/themes/twentyfourteen Author: the WordPress team Author URI: http://wordpress.org/ Description: In 2014, our default theme lets you create a responsive magazine website with a sleek, modern design. Feature your favorite homepage content in either a grid or a slider. Use the three widget areas to customize your website, and change your content’s layout with a full-width page template and a contributor page to show off your authors. Creating a magazine website with WordPress has never been easier. Version: 1.0 License: GNU General Public License v2 or later License URI: http://www.gnu.org/licenses/gpl-2.0.html Tags: black, green, white, light, dark, two-columns, three-columns, left-sidebar, right-sidebar, fixed-layout, responsive-layout, custom-background, custom-header, custom-menu, editor-style, featured-images, flexible-header, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready, accessibility-ready Text Domain: twentyfourteen This theme, like WordPress, is licensed under the GPL. Use it to make something cool, have fun, and share what you’ve learned with others. */

从中可以看到主题名称、主题链接、作者、作者链接、版本等等信息。在 WordPress 3.4 以上的版本中，我们可以直接使用 wp_get_theme() 这个函数来获取这些信息。以下是一些简单的例子：

获取当前主题名字：

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<?php
echo wp_get_theme();
?>

<?php echo wp_get_theme(); ?>

获取其它主题名字：

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<?php
$my_theme = wp_get_theme( 'twentyten' );
if ( $my_theme->exists() )
	echo $my_theme;
?>

<?php $my_theme = wp_get_theme( ‘twentyten’ ); if ( $my_theme->exists() ) echo $my_theme; ?>

获取当前主题版本号：

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<?php
$my_theme = wp_get_theme();
echo $my_theme->get( 'Name' ) . " is version " . $my_theme->get( 'Version' );
?>

<?php $my_theme = wp_get_theme(); echo $my_theme->get( ‘Name’ ) . ” is version ” . $my_theme->get( ‘Version’ ); ?>

显示当前主题作者的链接：

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<?php
$my_theme = wp_get_theme();
echo $my_theme->get( 'AuthorURI' )