Set dynamic Options array in woocommerce_form_field - wordpress

Question

So I have the following code:
/**
Add custom fields to user / checkout - Date + Venue
*/
add_action( 'woocommerce_after_order_notes', 'my_custom_checkout_field' );
function my_custom_checkout_field( $checkout ) {
if( have_rows('date_venue', 424) ): $x = 1;
while ( have_rows('date_venue', 424) ) : the_row(); ?>
<?php $dates[] = get_sub_field('date').' - '.get_sub_field('session_time'); ?>
<?php $x++; endwhile;
else : endif;
echo '<div id="bv_custom_checkout_field"><h4>Select Course Date/Venue</h4>';
woocommerce_form_field( 'course_venue', array(
'type' => 'select',
'class' => array('my-class form-row-wide'),
'label' => __('Select Course Date / Venue'),
'placeholder' => __('Course Date/Venue'),
'options' => array(
$dates[0] => __( $dates[0], 'wps' ),
$dates[1] => __( $dates[1], 'wps' ),
$dates[2] => __( $dates[2], 'wps' )
),
),
get_user_meta( get_current_user_id(),'course_venue' , true ) ); echo '</div>';
}
As you can see I have added $dates[] as an array which could range from 2-X options, which will depend on the product ID.
As an example, I have included the options manually, i.e. dates[0], dates[1] etc...
How would I go about looping this and including it within the options array?
It works fine as it is, but it's not dynamic.
Any help is much appreciated!

Answer 1

Thanks to sMyles:
You can use array_flip to set all the keys to the values from $dates, but if you want the value to be passed through translation function you can just build the array using foreach
$options_dates = array();
foreach( (array) $dates as $date ){
$options_dates[ $date ] = __( $date, 'wps' );
}
Then just set 'options' => $options_dates,

Answer 2

This is perfect loop I have follow like this
First I get data from ACF:-
$options_for_variations = array();
if( have_rows('material_sizes_is','option') ):
while( have_rows('material_sizes_is','option') ) : the_row();
$material_name_is = get_sub_field('material_isname');
$options_for_variations[$material_name_is] = __($material_name_is, 'woocommerce' );
endwhile;
endif;
woocommerce_wp_select - then pass array into the wp_select
woocommerce_wp_select(
array(
'id' => '_select[' . $variation->ID . ']',
'label' => __( 'My Select Field', 'woocommerce' ),
'description' => __( 'Choose a value.', 'woocommerce' ),
'value' => get_post_meta( $variation->ID, '_select', true ),
'options' => $options_for_variations,
)
);