Displaying repeating ACF fields without using ACF functions

functions.php

<?php

$testimonials = get_post_meta( get_the_ID(), 'be_testimonial', true );
if( $testimonials ) {
	echo '<div class="testimonials">';
	for( $i = 0; $i < $testimonials; $i++ ) {
		$content = get_post_meta( get_the_ID(), 'be_testimonial_' . $i . '_content', true );
		if( $content )
			echo '<div class="testimonial">' . wpautop( $content ) . '</div>';
	}
	echo '</div>';
}