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    <p>Old question, but it came up in my google search for the same info. Finishing off Krike's answer, it is indeed <code>get_theme_mod()</code></p> <p>You can see it at work in the default <code>wp-head-callback</code>. </p> <pre><code>/** * Default custom background callback. * * @since 3.0.0 * @access protected */ function _custom_background_cb() { // $background is the saved custom image, or the default image. $background = set_url_scheme( get_background_image() ); // $color is the saved custom color. // A default has to be specified in style.css. It will not be printed here. $color = get_theme_mod( 'background_color' ); if ( ! $background &amp;&amp; ! $color ) return; $style = $color ? "background-color: #$color;" : ''; if ( $background ) { $image = " background-image: url('$background');"; $repeat = get_theme_mod( 'background_repeat', 'repeat' ); if ( ! in_array( $repeat, array( 'no-repeat', 'repeat-x', 'repeat-y', 'repeat' ) ) ) $repeat = 'repeat'; $repeat = " background-repeat: $repeat;"; $position = get_theme_mod( 'background_position_x', 'left' ); if ( ! in_array( $position, array( 'center', 'right', 'left' ) ) ) $position = 'left'; $position = " background-position: top $position;"; $attachment = get_theme_mod( 'background_attachment', 'scroll' ); if ( ! in_array( $attachment, array( 'fixed', 'scroll' ) ) ) $attachment = 'scroll'; $attachment = " background-attachment: $attachment;"; $style .= $image . $repeat . $position . $attachment; } ?&gt; &lt;style type="text/css" id="custom-background-css"&gt; body.custom-background { &lt;?php echo trim( $style ); ?&gt; } &lt;/style&gt; &lt;?php } </code></pre> <p>So you'd get the repeat, position and attachment like so:</p> <pre><code>$repeat = get_theme_mod( 'background_repeat', 'repeat' ); $position = get_theme_mod( 'background_position_x', 'left' ); $attachment = get_theme_mod( 'background_attachment', 'scroll' ); </code></pre> <p>I assume the second parameter is the default.</p>
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