.htaccess rewrite rules for two or more PHP files
You can use:
RewriteEngine OnRewriteBase /webproject/RewriteCond %(REQUEST_FILENAME) !-fRewriteCond %(REQUEST_FILENAME) !-dRewriteRule ^([\w-]+)$ profile.php?username=$1 [L,QSA]RewriteCond %(REQUEST_FILENAME) !-fRewriteCond %(REQUEST_FILENAME) !-dRewriteRule ^(update_availability(?:\.php)?)/([0-9]+)/([0-9]+)/([0-9]+)/?$ $1?month=$2&day=$3&year=$4 [L,QSA,NC]