WordPress.org

1. Upload the folder /send-to-twitter to /wp-content/plugins
2. Activate the plugin in the Plugins menu in WordPress.
3. Use <?php if( function_exists('send_to_twitter') ){ send_to_twitter(); } ?> in PHP where you want to display the link. (You can put as much in single.php or index.php - http://your-url.com/wp-admin/theme-editor.php)
4. Enter an API KEY if you want a record of your shortened url

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1. Subir la carpeta /send-to-twitter al directorio /wp-content/plugins
2. Activar el plugin en el menú Plugins de WordPress.
3. Utilizar <?php if( function_exists('send_to_twitter') ){ send_to_twitter(); } ?> en PHP donde quieras mostrar el enlace. (Puedes colocarlo tanto en single.php como en index.php - http://ladirecciondetublog.com/wp-admin/theme-editor.php)
4. Ingrese un API KEY si desea tener un historial de sus url acortadas