我的标题中安装了以下代码。php：

<h1><img src="<?php echo esc_url( get_theme_mod( \'mitch_logo\' ) ); ?>" alt="<?php echo esc_attr( get_bloginfo( \'name\', \'display\' ) ); ?>"></h1>

在我的职能中。php，我有以下代码：

$wp_customize->add_section( \'mitch_logo_section\' , array(
    \'title\'       => __( \'Logo\', \'mitch_logo\' ),
    \'priority\'    => 30,
    \'description\' => \'Upload your logo.\',
) );

$wp_customize->add_setting( \'mitch_logo\' );
$wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, \'mitch_logo\', array(
    \'label\'    => __( \'Logo\', \'mitch_logo\' ),
    \'section\'  => \'mitch_logo_section\',
    \'settings\' => \'mitch_logo\',
) ) );

很好，但我想找一个叫.logo 标志宽度和高度。我怎么得到这些？

.logo {
    width:{width}; // how to get width of image?
    height:{height}; // how to get height of image?
    background: ...;
}

因为你需要宽度和高度来获得一个有背景的div。

list($width, $height) = getimagesize(esc_url( get_theme_mod( \'mitch_logo\' ) ));

echo ".logo {
    width:{$width}px;
    height:{$height}px;
    background: ...;
}";