Migrate From Media Custom Fields to ACF

migrate.php

$args = array(
    'post_type' => 'attachment',
    'post_status' => 'any',
    'posts_per_page' => -1
);

$attachments = new WP_Query( $args );
while ( $attachments->have_posts() ) {
    $attachments->the_post();
    
    // Media Custom Field Data
    $medium = get_post_meta( get_the_ID(), 'tqmcf_medium', true );
    $size = get_post_meta( get_the_ID(), 'tqmcf_size', true );
    $price = get_post_meta( get_the_ID(), 'tqmcf_price', true );
    $sold = get_post_meta( get_the_ID(), 'tqmcf_sold', true );
    
    // New ACF Data
    update_field( 'medium', $medium, get_the_ID() );
    update_field( 'size', $size, get_the_ID() );
    update_field( 'price', $price, get_the_ID() );
    update_field( 'sold', $sold, get_the_ID() );
    
}