Show an ACF image object Helper Function

yt_show_acf_image.php

<?php

function yt_show_acf_image($img, $opt = array()) {
	if (!$img)
		return;

	$opt_default = array(
			'size' => 'xl',
			'echo' => true,
			'attr' => array(),
			'srcset' => true,
	);
	$opt = $opt + $opt_default;
	if (!function_exists('tevkori_get_srcset_string'))
		$opt['srcset'] = false;

	$tag = $opt['attr'];

	if ($opt['size'] && isset($img['sizes'][$opt['size']]) && $img['mime_type'] != 'image/gif') {
		$tag['src'] = $img['sizes'][$opt['size']];
		$tag['width'] = $img['sizes'][$opt['size'] . '-width'];
		$tag['height'] = $img['sizes'][$opt['size'] . '-height'];
	} else {
		if (WP_DEBUG && $opt['size'] && !isset($img['sizes'][$opt['size']]))
			echo 'Unknown size ' . $opt['size'];
		$tag['src'] = $img['url'];
		$tag['width'] = $img['width'];
		$tag['height'] = $img['height'];
	}

	if ($img['alt']) {
		$tag['alt'] = $img['alt'];
	}
	
	if (isset($opt['attr']['alt']))
		$tag['alt'] = $opt['attr']['alt'];

	if ($opt['srcset']) {
		unset($tag['src']);
	}
	
	$tags = '';
	foreach ($tag as $key => $value) {
		$tags .= ' ' . $key . '="' .esc_attr($value) . '"';
	}
	if ($opt['srcset'])
		$tags .= ' ' .  tevkori_get_srcset_string($img['ID'], @$opt['size'] or 'thumbnail');
	
	$html = "<img $tags />";

	if ($opt['echo'])
		echo $html;

	return $html;
}