the_penck_thumbnail()

penck-thumbnail.php

<?php

    /*
        PT: O snippet "penck thumbnail" foi feito para exibir
        o caminho da imagem de acordo com o objeto de imagem retornado do
        plugin Advanced Custom Fields

        EN: The penck thumbnail snipper were made to output the
        image path according to the image object returned by the
        Advanced Custom Fields plugin

        
    */
 
    add_image_size('blog-thumbnail-2x', 1920, 1080, array( 'center', 'center' ) );
    add_image_size('blog-thumbnail-1x', 960, 540, array( 'center', 'center' ) );

    function the_penck_thumbnail($fieldname, $size) {
        $attachment_id = get_field($fieldname);
        $url = wp_get_attachment_image_src( $attachment_id, $size )[0];
        echo $url;
    }

    /* 
      USAGE
      the_penck_thumbnail('the-image-field-name','the-size-to-show'); // http://github.com/blog/uploads/image.jpg
    */