fixed collapse_header_link() and collapse_footer_link()
fixed collapse_header_link() and collapse_footer_link()

preg_replace instead of str_replace

helmuthm/PHP-Fusion,ALTUN69/PHP-Fusion,Jugolo/PHP-Fusion,Talocha/PHP-Fusion,AlexL777/PHP-Fusion,slb4life/php-fusion,ALTUN69/PHP-Fusion,helmuthm/PHP-Fusion,php-fusion/PHP-Fusion,Talocha/PHP-Fusion,AlexL777/PHP-Fusion,Dahlgren/PHP-Fusion,Jugolo/PHP-Fusion,Jugolo/PHP-Fusion,php-fusion/PHP-Fusion,AlexL777/PHP-Fusion,Dahlgren/PHP-Fusion,slb4life/php-fusion,Dahlgren/PHP-Fusion,Talocha/PHP-Fusion,ALTUN69/PHP-Fusion,php-fusion/PHP-Fusion,slb4life/php-fusion,helmuthm/PHP-Fusion,Talocha/PHP-Fusion