diff --git a/travis/install-php-extensions.sh b/travis/install-php-extensions.sh
index 908dcdf7f3..11d5fad944 100755
--- a/travis/install-php-extensions.sh
+++ b/travis/install-php-extensions.sh
@@ -11,6 +11,13 @@ function find_php_ini
 	echo $(php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||")
 }
 
+# $1 - PHP extension name
+# $2 - PHP ini file path
+function register_php_extension
+{
+	echo "extension=$1.so" >> "$2"
+}
+
 # $1 - PHP extension name
 # $2 - PHP ini file path
 function install_php_extension
@@ -25,11 +32,16 @@ function install_php_extension
 	make install
 	cd ..
 
-	echo "extension=$1.so" >> "$2"
+	register_php_extension "$1" "$2"
 }
 
 php_ini_file=$(find_php_ini)
 
+# apc
+echo 'Enabling APC PHP extension'
+register_php_extension 'apc' "$php_ini_file"
+echo 'apc.enable_cli=1' >> "$php_ini_file"
+
 # redis
 git clone git://github.com/nicolasff/phpredis.git redis
 install_php_extension 'redis' "$php_ini_file"