Output Inline SVGs from ACF image field

acf-inline-svg.php

<?php 

 /* ————————————————————————— */
 /*  ACF Inline SVGs
 /* ————————————————————————— */ 
 
$repeater = 'repeater_field_name'
if ( have_rows( $repeater ) ): ?>
	<section class="content-main">
		<div class="container"> <?php 
			while ( have_rows( $repeater ) ) : the_row(); 
				$icon = get_sub_field( 'icon' );
				if ( !empty( $icon ) ):
					$url = $icon['url'] ;
					$ext = pathinfo( $url, PATHINFO_EXTENSION ); ?>
					<div class="icons"> <?php 
						if ( $ext == 'svg' ):
							echo file_get_contents( $url ) ;
							// Non SVG Fallback
							else: ?>
							<img src="<?php echo $url; ?>" alt="<?php echo $alt; ?>"> <?php 
						endif; ?>
					 </div>  <?php 
				endif;
			endwhile; ?>
		</div>
	</section> <?php 
endif; ?>

echo file_get_contents( get_site_url().$url ) ; to avoid failed to open stream error.

echo file_get_contents( get_site_url().$url ) ; to avoid failed to open stream error.

Why? The url from the image field is a full none relative URL.