Personal changes to Homebrew's httpd.conf. See on my blog: http://diegoe.be/2014/03/26/setting-up-apache-php-mysql-on-osx-with-homebrew

apache2-httpd.conf.diff

--- /usr/local/etc/apache2/2.2/original/httpd.conf	2014-12-05 20:14:50.000000000 -0500
+++ /usr/local/etc/apache2/2.2/httpd.conf	2014-12-05 20:16:46.000000000 -0500
@@ -38,7 +38,7 @@
 # prevent Apache from glomming onto all bound IP addresses.
 #
 #Listen 12.34.56.78:80
-Listen 8080
+Listen 8000

 #
 # Dynamic Shared Object (DSO) Support
@@ -114,6 +114,15 @@
 LoadModule userdir_module libexec/mod_userdir.so
 LoadModule alias_module libexec/mod_alias.so
 LoadModule rewrite_module libexec/mod_rewrite.so
+LoadModule php5_module        /usr/local/Cellar/php56/5.6.3/libexec/apache2/libphp5.so
+
+<IfModule php5_module>
+    AddType application/x-httpd-php .php
+    AddType application/x-httpd-php-source .phps
+    <IfModule dir_module>
+        DirectoryIndex index.html index.php
+    </IfModule>
+</IfModule>

 <IfModule !mpm_netware_module>
 <IfModule !mpm_winnt_module>
@@ -455,7 +464,7 @@
 #Include /usr/local/etc/apache2/2.2/extra/httpd-info.conf

 # Virtual hosts
-#Include /usr/local/etc/apache2/2.2/extra/httpd-vhosts.conf
+Include /usr/local/etc/apache2/2.2/extra/httpd-vhosts.conf

 # Local access to the Apache HTTP Server Manual
 #Include /usr/local/etc/apache2/2.2/extra/httpd-manual.conf

Note that the PHP path may vary according to your installation.