Added basic tests, more will come later

Author: Geolim4

.travis.yml

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+#
+# This file is part of phpFastCache.
+#
+# @license MIT License (MIT)
+#
+# For full copyright and license information, please see the docs/CREDITS.txt file.
+#
+# @author Khoa Bui (khoaofgod)  <khoaofgod@gmail.com> http://www.phpfastcache.com
+# @author Georges.L (Geolim4)  <contact@geolim4.com>
+#
+sudo: false
+
+language: php
+
+services:
+  - memcached
+  - redis-server
+before_script:
+  - |
+    if [[ $TRAVIS_PHP_VERSION = "hhv"* ]]; then
+      cat var/php/conf/phpfastcache.ini >> /etc/hhvm/php.ini
+    else
+      phpenv config-add var/php/conf/phpfastcache.ini
+    fi
+
+php:
+  # - 5.3
+  # - 5.4
+  # - 5.5
+  - 5.6
+  - 7.0
+  - nightly
+  - hhvm
+
+matrix:
+  fast_finish: true
+  allow_failures:
+    - php: nightly
+    - php: hhvm
+
+install:
+  - ./bin/ci/install_dependencies.sh
+
+script:
+  - php -f tests/SyntaxChecker.test.php

tests/SyntaxChecker.test.php

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+<?php
+
+/**
+ * @author Khoa Bui (khoaofgod)  <khoaofgod@gmail.com> http://www.phpfastcache.com
+ * @author Georges.L (Geolim4)  <contact@geolim4.com>
+ */
+function read_dir($dir, $ext = null)
+{
+    $list = [];
+    $dir .= '/';
+    if (($res = opendir($dir)) === false) {
+        exit(1);
+    }
+    while (($name = readdir($res)) !== false) {
+        if ($name == '.' || $name == '..') {
+            continue;
+        }
+        $name = $dir . $name;
+        if (is_dir($name)) {
+            $list = array_merge($list, read_dir($name, $ext));
+        } elseif (is_file($name)) {
+            if (!is_null($ext) && substr(strrchr($name, '.'), 1) != $ext) {
+                continue;
+            }
+            $list[] = $name;
+        }
+    }
+
+    return $list;
+}
+
+$list = read_dir(__DIR__ . '/../', 'php');
+$list += read_dir(__DIR__ . '/../', 'tpl');
+
+$exit = 0;
+foreach ($list as $file) {
+    $output = '';
+    /**
+     * @todo Make the exclusions much cleaner
+     */
+    if (strpos($file, '/vendor/composer') === false && strpos($file, '/bin/stubs') === false) {
+        exec('php -l "' . $file . '"', $output, $status);
+    } else {
+        echo '[SKIP] ' . $file;
+        echo "\n";
+        continue;
+    }
+
+    if ($status !== 0) {
+        $exit = $status;
+        echo '[FAIL]';
+    } else {
+        echo '[PASS]';
+    }
+    echo ' ' . implode("\n", $output);
+    echo "\n";
+}
+exit($exit);

var/php/conf/phpfastcache.ini

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+; Adding required extensions for tests
+extension="memcached.so"
+extension="redis.so"