<?php

/**
 * Clean up the hairy formatting results of do_shortcode().
 *
 * Removes any opening and closing <br /> tags,
 * and removes the break tags from the middle of
 * </div><br /><div and </p><br /><p
 *
 *
 * @since  0.1.0
 *
 * @param  string $content The content.
 *
 * @return string          The do_shortcode-ed content.
 */
function do_shortcode_and_clean( $content ) {
	if ( $content ) {

		// For some reason, WP really wants to insert a break tag at the beginning.
		$content = preg_replace( '/^<br \/>([\s]{1,})?/', '', $content );

		$content = do_shortcode( $content );
		// More annoying WP break tags.
		$content = preg_replace_callback( '/(<\/(div|p)><br([\s]{1,})\/>([\s]{1,})?<(div|p))/', function( $matches ) {
			return '</' . $matches[2] . '><' . $matches[5];
		}, $content );

		// Remove trailing break tag.
		$content = preg_replace( '/([\s]{1,})?<br \/>$/', '', $content );
	}

	return $content;
}