未使用任何设置时不打印定制器样式

我正在通过我的插件为主题添加一些选项，我想改变这个主题的样式，我几乎做到了。。。现在我需要知道如何隐藏<style> 没有更改任何设置时标记（所有默认值均未使用），

function myplugin_customize_css(){
?>
 <style>
     h2 {color:<?php echo get_theme_mod(\'myplugin_h2_color\'); ?>;}
     h3 {color:<?php echo get_theme_mod(\'myplugin_h3_color\'); ?>;}
     p {
        color:<?php echo get_theme_mod(\'myplugin_p_color\'); ?>;
        font-size:<?php echo get_theme_mod(\'myplugin_p_size\'); ?>;
     }
     // more & more of these! 
 </style>
<?php
}
add_action( \'wp_head\', \'myplugin_customize_css\');

我能做到if() 但是感觉太多了，我还有什么其他方法可以做到这一点。。。不是这样的：

function myplugin_customize_css(){
    if (get_theme_mod(\'myplugin_h2_color\') != \'\' 
        || get_theme_mod(\'myplugin_h3_color\') !=\'\'
        || get_theme_mod(\'myplugin_p_color\') !=\'\'
        || get_theme_mod(\'myplugin_p_size\') !=\'\' ) {
        ?>
        <style>
            // if get_theme_mod(\'myplugin_h2_color\') != \'\'
             h2 {color:<?php echo get_theme_mod(\'myplugin_h2_color\'); ?>;}

             // if get_theme_mod(\'myplugin_h3_color\') != \'\'
             h3 {color:<?php echo get_theme_mod(\'myplugin_h3_color\'); ?>;}

             // if get_theme_mod(\'myplugin_p_color\') !=\'\' 
             //    && get_theme_mod(\'myplugin_p_size\') !=\'\' 
             p {
                // if get_theme_mod(\'myplugin_p_color\') !=\'\' 
                color:<?php echo get_theme_mod(\'myplugin_p_color\'); ?>;
                // if get_theme_mod(\'myplugin_p_size\') !=\'\'
                font-size:<?php echo get_theme_mod(\'myplugin_p_size\'); ?>;
             }
             // more & more of these! 
         </style>
         <?php
    }
}
add_action( \'wp_head\', \'myplugin_customize_css\');

$wp_customize->add_setting( \'myplugin[h2_color]\' ); $wp_customize->add_setting( \'myplugin[h3_color]\' ); $wp_customize->add_setting( \'myplugin[p_color]\' ); $wp_customize->add_setting( \'myplugin[p_size]\' );

$styles = get_theme_mod( \'myplugin\' ); if ( ! empty( array_filter( $styles ) ) ) { echo \'<style>\'; if ( ! empty( $styles[\'h2_color\'] ) { printf( \'h2 { color: %s; }\', $styles[\'h2_color\'] ); } // etc. echo \'</style>\'; }

The Loop not looping?

在进行了大量的故障排除和搜索之后，我想我终于明白了如何进行循环。但我似乎无法让它真正循环！我创建了一个子主题，并添加了functions.php 文件中包含以下代码：<?php function my_theme_enqueue_styles() { $parent_style = \'grow-thinkup-style-minimal\'; // This is \'twentyfifteen-style\' for the Twenty Fifteen the

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The Loop not looping?