';
echo '';
}
endif;
add_action( 'save_post', 'custom_css_custom_box_save_data' );
if ( !function_exists( 'custom_css_custom_box_save_data' ) ):
function custom_css_custom_box_save_data($post_id) {
$custom_css_noncename = isset($_POST['custom_css_noncename']) ? $_POST['custom_css_noncename'] : null;
if ( !wp_verify_nonce( $custom_css_noncename, 'custom-css' ) ) return $post_id;
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE) return $post_id;
$custom_css = $_POST['custom_css'];
update_post_meta( $post_id, '_custom_css', $custom_css );
}
endif;
if ( !function_exists( 'get_custom_css_code' ) ):
function get_custom_css_code(){
if ( is_singular() ) {
if ( have_posts() ) : while ( have_posts() ) : the_post();
$custom_css = get_post_meta(get_the_ID(), '_custom_css', true);
endwhile; endif;
rewind_posts();
return $custom_css;
}
}
endif;
add_action( 'wp_head','insert_custom_css' );
if ( !function_exists( 'insert_custom_css' ) ):
function insert_custom_css() {
$custom_css = get_custom_css_code();
if ($custom_css) {
echo ''.PHP_EOL;
echo ''.PHP_EOL;
}
}
endif;