social-buttons-wordpress.php

<?php
/**
 * Plugin Name: Social Buttons
 * Plugin URI: https://blog.kaspian.it/come-scrivere-un-semplice-plugin-per-wordpress/
 * Description: Un semplice plugin per condividere un post su Twitter e Facebook
 * Version: 1.5a
 * Author: Sebastiano Dimartina
 * Author URI: https://blog.kaspian.it/author/sebadima/
 */

add_action('the_content', 'dsse_sharing');
add_action('wp_enqueue_scripts', 'dsse_load_plugin_css');

function dsse_load_plugin_css()
{
    $plugin_url = plugin_dir_url(__FILE__);
    wp_enqueue_style('style', $plugin_url . 'css/style.css');
}

function dsse_sharing($content)
{

    $html = "Condividi se ti è piaciuto";
    $html = $html . "<br>";

    global $post;
    $url = get_permalink($post->ID);
    $url = esc_url($url);

    $html = $html . "<div class='facebook'><a target='_blank' href='http://www.facebook.com/sharer.php?u=" . $url . "'>facebok™ </a></div>";
    $html = $html . "<a>&nbsp;&nbsp;</a>";
    $html = $html . "<div class='twitter'><a target='_blank' href='https://twitter.com/share?url=" . $url . "'>Twitter™</a></div>";

    $html = $html . "<br>";
    $html = $html . "<br>";

    return $content = $content . $html;
}