rchipka

<?php
add_filter('acf/location/rule_types', function ( $choices ) {
    $choices['Gutenburg']['block_type'] = 'Block Type';
    return $choices;
}, 10, 1);

add_filter('acf/location/rule_values/block_type', function ( $choices, $data ) {
    return
      '<input type="text" data-ui="0" data-ajax="0" data-multiple="0" data-allow_null="0" ' .
        'id="acf_field_group-location-' . $data['group'] . '-' . $data['id'] . '-value" ' .

rchipka

[values.pop(), values.join(', ')].filter(v => v).reverse().join(' and ')

// ['this'] => 'this'
// ['this', 'that'] => 'this and that'
// ['this', 'that', 'the other'] => 'this, that and the other'

rchipka

@function pow($number, $exponent) {
  $value: 1;

  @if $exponent > 0 {
    @for $i from 1 through $exponent {
      $value: $value * $number;
    }
  }

  @return $value;