Created
October 23, 2014 18:28
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WP - Custom CSS per post/page
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| /** | |
| * Custom CSS field for posts/pages (inserted into <head></head>) | |
| */ | |
| add_action('admin_menu', 'custom_css_hooks'); | |
| add_action('save_post', 'save_custom_css'); | |
| add_action('wp_head','insert_custom_css'); | |
| function custom_css_hooks() { | |
| add_meta_box('custom_css', 'Custom CSS', 'custom_css_input', 'post', 'normal', 'high'); | |
| add_meta_box('custom_css', 'Custom CSS', 'custom_css_input', 'page', 'normal', 'high'); | |
| } | |
| function custom_css_input() { | |
| global $post; | |
| echo '<input type="hidden" name="custom_css_noncename" id="custom_css_noncename" value="'.wp_create_nonce('custom-css').'" />'; | |
| echo '<textarea name="custom_css" id="custom_css" rows="5" cols="30" style="width:100%;">'.get_post_meta($post->ID,'_custom_css',true).'</textarea>'; | |
| } | |
| function save_custom_css($post_id) { | |
| if (!wp_verify_nonce($_POST['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); | |
| } | |
| function insert_custom_css() { | |
| if (is_page() || is_single()) { | |
| if (have_posts()) : while (have_posts()) : the_post(); | |
| echo '<style type="text/css">'.get_post_meta(get_the_ID(), '_custom_css', true).'</style>'; | |
| endwhile; endif; | |
| rewind_posts(); | |
| } | |
| } |
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