Custom gallery call for custom templates

wp-create-custom-gallery.php

function tl_create_gallery ()
{  	
	$postID = get_the_ID();	
	$args = array(
	'numberposts' => -1,
	'order'=> 'ASC',
	'post_mime_type' => 'image',
	'post_parent' => $postID,
	'post_status' => null,
	'post_type' => 'attachment'
	);
	
	$images = get_children( $args );
	

	echo '<div class="single-property-gallery">';
	if ($images) {
		foreach($images as $image) {
			$image_attributes = wp_get_attachment_image_src( $image->ID, 'property-thumb' )  ? wp_get_attachment_image_src( $image->ID, 'property-thumb' ) : wp_get_attachment_image_src( $image->ID, 'full' );
			$full_url = wp_get_attachment_image_src( $image->ID, 'full');
			echo '<a href="' .$full_url[0]. '"><img src="'. $image_attributes[0] . '" width="'.$image_attributes[1].'" height="'. $image_attributes[2].'" class="property-thumb"></a>';
			
		}
	}
	echo '</div>';
}