simple-social-share.php

<?php
   /*
   Plugin Name: Lightweght Share para Tu Experto
   Description: Botones de compartir ligeritos y sin javascript.
   Version: 0.3
   Author: Mr.FoxTalbot
   Author URI: http://mrfoxtalbot.com
   License: GPL2
   */
function tuexperto_social() {
  if ( ! is_singular() ) {
    return;
  }
  // Estilos
  echo '
    <style>
  .tuexperto-social {
    width:60px;
    position:fixed;
    left:0;
    bottom:50%;
    z-index:1000;
    background:rgba(255,255,255,0.8) none repeat scroll 0 0;
    padding:5px;
  }
  .tuexperto-social a img {display:inline-block;}
  .tuexperto-social img {
    max-width:45px;
    height:auto;
    padding:4px 2px;
  }
  .tuexperto-social a img:hover {
    opacity:0.6
  }
  .solomovil {
    display:none
  }
  @media all and (max-width:700px) {
        .solomovil {    display:inline-block  }
      .tuexperto-social {
        left: 0;
        padding: 0;
        position: fixed;
        bottom: -5px;
        width: 100%;
        z-index: 1000;
        text-align:center;
      }
      .tuexperto-social a {
        display: inline-block; 
      padding: 0;
      }
      .tuexperto-social img {
      display: inline-block;
      height: auto;
       width: 100%;
       padding:5px;
    }
  } 
  </style>';
  // URL de la carpeta de plugins
  $sharedir_url = plugin_dir_url( __FILE__ );
  // BOTONES
  $fb_url = add_query_arg(
    array(
      'u' => get_permalink(),
      't' => rawurlencode( get_the_title() )
    ),
    'http://www.facebook.com/sharer/sharer.php'
  );
  $twitter_url = add_query_arg(
    array(
      'text'     => rawurlencode( get_the_title() ),
      'url'      => get_permalink(),
      'hashtags' => 'tuexperto @tuexperto'
    ),
    'http://twitter.com/share'
  );
  $thumb_id        = get_post_thumbnail_id();
  $thumb_url_array = wp_get_attachment_image_src( $thumb_id, 'thumbnail-size', true );
  $pinterest_url   = add_query_arg(
    array(
      'description' => rawurlencode( get_the_title() ),
      'url'         => get_permalink(),
      'media'       => $thumb_url_array[0]
    ),
    'http://pinterest.com/pin/create/button/'
  );
  $email_url = add_query_arg(
    array(
      'subject' => rawurlencode( 'Hola, quiero compartir contigo este artículo de tuexperto.com' ),
      'body'    => rawurlencode( get_permalink() ),
      'media'   => $thumb_url_array[0]
    ),
    'mailto:'
  );
  ?>
  <div class="tuexperto-social">
    <a target="_blank" href="<?php echo esc_url( $fb_url ); ?>">
      <img src="<?php echo esc_url( $sharedir_url . 'imgs/face.png' ); ?>">
    </a>

    <a target="_blank" href="<?php echo esc_url( $twitter_url ); ?>">
      <img src="<?php echo esc_url( $sharedir_url . 'imgs/twitter.png' ); ?>">
    </a>

    <a target="_blank" href="<?php echo esc_url( $pinterest_url ); ?>">
      <img src="<?php echo esc_url( $sharedir_url . 'imgs/pinterest.png' ); ?>">
    </a>

    <a target="_blank" href="<?php echo esc_url( $email_url ); ?>">
      <img src="<?php echo esc_url( $sharedir_url . 'imgs/email.png' ); ?>">
    </a>
     <a class="solomovil" target="_blank" href="whatsapp://send?text=Hola, quiero compartir contigo este artículo de tuexperto.com: <?php the_title(); ?>: <?php the_permalink(); ?>" >
        <img src="<?php  echo esc_url( $sharedir_url . 'imgs/tlfno.png' ); ?>" >
    </a>
  </div>
  <?php
}
add_action( 'wp_footer', 'tuexperto_social' );