For create single line SEO plugin in wordpress website follow these step:
- Create new php file and save as rseo.php
- Copy this code given below and add it in your rseo.php file
- Save file
- Convert this file into .zip format
- Install from admin
- Activate plugins
- Thats all
After that you can veiw SEO meta box in your post/pages during create or edit pages
<?php
/*
Plugin Name: Raghu SEO
Plugin URI: http://www.facebook.com/RaghunathPrasadGurjar
Author: Raghunath Prasad Gurjar | raghunath.0087@gmail.com
Author URI: http://www.facebook.com/RaghunathPrasadGurjar
Description: This is first custom plugin by raghunath on JBI
Version: 1.1
*/
/* Copyright 2012 raghu (email : raghunath.0087@gmail.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
*/
//Start code for custom gallery
add_action( 'add_meta_boxes', 'add_seo_meta_box' );
/**
* Adds the SEO meta box to the page screen
*/
function add_seo_meta_box()
{
global $meta_box;
add_meta_box($meta_box['id'], $meta_box['title'], 'meta_show_box', $meta_box['page'], $meta_box['context'], $meta_box['priority']);
}
//Define SEO Meta box Fields
$prefix = 'seo_';
$meta_box = array(
'id' => 'my-meta-box',
'title' => 'SEO Information',
'page' => '',
'context' => 'normal',
'priority' => 'high',
'fields' => array(
array(
'name' => 'Meta Title',
'desc' => 'enter meta title',
'id' => $prefix . 'title',
'type' => 'text',
'std' => ''
),
array(
'name' => 'Meta Keyword',
'desc' => 'enter meta keywords',
'id' => $prefix . 'keywords',
'type' => 'text',
'std' => ''
),
array(
'name' => 'Meta Description',
'id' => $prefix . 'description',
'desc' => 'enter meta description<p align="right">Created by <a href="mailto:raghunath.0087@gmail.com" target="_blank">Raghunath Gurjar</a></p>',
'type' => 'textarea',
'std' => ''
)
)
);
//Display SEO Meta Box
function meta_show_box()
{
global $meta_box, $post;
// Use nonce for verification
echo '<input type="hidden" name="seo_meta_box_nonce" value="', wp_create_nonce(basename(__FILE__)), '" />';
echo '';
foreach ($meta_box['fields'] as $field) {
// get current post meta data
$meta = get_post_meta($post->ID, $field['id'], true);
echo '<p>',
'<label for="', $field['id'], '">', $field['name'], '</label>','';
switch ($field['type']) {
case 'text':
echo '<input type="text" name="', $field['id'], '" id="', $field['id'], '" value="', $meta ? $meta : $field['std'], '" size="30" style="width:97%" />', '<br />', $field['desc'];
break;
case 'textarea':
echo '<textarea name="', $field['id'], '" id="', $field['id'], '" cols="60" rows="4" style="width:97%">', $meta ? $meta : $field['std'], '</textarea>', '<br />', $field['desc'];
break;
'</p>';
}
}
}
//Save SEO Meta Box fields Value
add_action( 'save_post', 'save_seo_meta_box' );
function save_seo_meta_box($post_id) {
global $meta_box;
// verify nonce
if (!wp_verify_nonce($_POST['seo_meta_box_nonce'], basename(__FILE__))) {
return $post_id;
}
// check autosave
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return $post_id;
}
// check permissions
if ('page' == $_POST['post_type'] || 'care_agency' == $_POST['post_type'] || 'post' == $_POST['post_type']) {
if (!current_user_can('edit_page', $post_id)) {
return $post_id;
}
} elseif (!current_user_can('edit_post', $post_id)) {
return $post_id;
}
foreach ($meta_box['fields'] as $field) {
$old = get_post_meta($post_id, $field['id'], true);
$new = $_POST[$field['id']];
if ($new && $new != $old) {
update_post_meta($post_id, $field['id'], $new);
} elseif ('' == $new && $old) {
delete_post_meta($post_id, $field['id'], $old);
}
}
}
//Add Seo Details in header
add_action('wp_head','add_metavalue_header',5);
function add_metavalue_header()
{
global $meta_box, $post;
echo "<!-- Created By Raghunath Gurjar -->";
echo "<meta name='title' content='".get_post_meta($post->ID,'seo_title',true)."'>\n";
echo "<meta name='keywords' content='".get_post_meta($post->ID,'seo_keywords',true)."'>\n";
echo "<meta name='description' content='".get_post_meta($post->ID,'seo_description',true)."'>\n";
}
?>