Update .travis.yml and travis-init.sh for PHP 7

- there is no `hhvm-nightly` anymore on travis travis-ci/travis-ci#3788 (comment)
- add php 7
   - `event` extension works
   - `libev` does not support PHP 7 (yet?) m4rw3r/php-libev#8
   - `libevent` also does not support PHP 7 https://pecl.php.net/package/libevent

Author: cebe

.travis.yml

@@ -4,13 +4,12 @@ php:
   - 5.4
   - 5.5
   - 5.6
+  - 7.0
   - hhvm
-  - hhvm-nightly
 
 matrix:
   allow_failures:
     - php: hhvm
-    - php: hhvm-nightly
   fast_finish: true
 
 install: ./travis-init.sh

travis-init.sh

@@ -11,25 +11,29 @@ if [[ "$TRAVIS_PHP_VERSION" != "hhvm" &&
     # install 'event' PHP extension
     echo "yes" | pecl install event
 
-    # install 'libevent' PHP extension
-    curl http://pecl.php.net/get/libevent-0.1.0.tgz | tar -xz
-    pushd libevent-0.1.0
-    phpize
-    ./configure
-    make
-    make install
-    popd
-    echo "extension=libevent.so" >> "$(php -r 'echo php_ini_loaded_file();')"
+    # install 'libevent' PHP extension (does not support php 7)
+    if [[ "$TRAVIS_PHP_VERSION" != "7.0" ]]; then
+        curl http://pecl.php.net/get/libevent-0.1.0.tgz | tar -xz
+        pushd libevent-0.1.0
+        phpize
+       ./configure
+       make
+       make install
+       popd
+       echo "extension=libevent.so" >> "$(php -r 'echo php_ini_loaded_file();')"
+    fi
 
-    # install 'libev' PHP extension
-    git clone --recursive https://github.com/m4rw3r/php-libev
-    pushd php-libev
-    phpize
-    ./configure --with-libev
-    make
-    make install
-    popd
-    echo "extension=libev.so" >> "$(php -r 'echo php_ini_loaded_file();')"
+    # install 'libev' PHP extension (does not support php 7)
+    if [[ "$TRAVIS_PHP_VERSION" != "7.0" ]]; then
+        git clone --recursive https://github.com/m4rw3r/php-libev
+        pushd php-libev
+        phpize
+        ./configure --with-libev
+        make
+        make install
+        popd
+        echo "extension=libev.so" >> "$(php -r 'echo php_ini_loaded_file();')"
+    fi
 
 fi