<?php



// 添加后台界面meta_box

add_action('add_meta_boxes','seo_post_metas_box_init');

function seo_post_metas_box_init(){

	add_meta_box('seo-metas','SEO','seo_post_metas_box',array('post','page'),'side','high');

}

function seo_post_metas_box($post){

	if($post->ID) {

		$post_id = $post->ID;

		$seo_title = seo_get_post_meta($post_id,'_seo_title');

		$seo_keywords = seo_get_post_meta($post_id,'_seo_keywords');

		$seo_description = seo_get_post_meta($post_id,'_seo_description');

	}

	else {

		$seo_title = '';

		$seo_keywords = '';

		$seo_description = '';

	}

	?>

	<div class="seo-metas">

		<p>SEO标题：<input type="text" class="regular-text" name="seo_title" value="<?php echo seo_quota_encode($seo_title); ?>" style="max-width: 98%;"></p>

		<p>SEO关键词：<input type="text" class="regular-text" name="seo_keywords" value="<?php echo seo_quota_encode($seo_keywords); ?>" style="max-width: 98%;"></p>

		<p>SEO描述：<br><textarea class="large-text" name="seo_description"><?php echo $seo_description; ?></textarea></p>

	</div>

<?php

}



// 保存填写的meta信息

add_action('save_post','seo_post_metas_box_save');

function seo_post_metas_box_save($post_id){

	$seo_title = strip_tags($_POST['seo_title']);

	$seo_keywords = strip_tags($_POST['seo_keywords']);

	$seo_description = seo_clear_code(strip_tags($_POST['seo_description']));

	update_post_meta($post_id,'_seo_title',$seo_title);

	update_post_meta($post_id,'_seo_keywords',$seo_keywords);

	update_post_meta($post_id,'_seo_description',$seo_description);

}