Bash: Get a list of files showing only file names (not directories)

find . -name '*.php' | awk -F/ '{print $NF}' | less

will output:

user.php
vars.php
version.php
class-wp-nav-menu-widget.php
class-wp-widget-archives.php
class-wp-widget-calendar.php
class-wp-widget-categories.php

instead of

./wp-includes/user.php
./wp-includes/vars.php
./wp-includes/version.php
./wp-includes/widgets/class-wp-nav-menu-widget.php
./wp-includes/widgets/class-wp-widget-archives.php
./wp-includes/widgets/class-wp-widget-calendar.php
./wp-includes/widgets/class-wp-widget-categories.php