ci: check syntax via php first

.gitlab-ci.yml

@@ -1,6 +1,7 @@
 phpmd:
   image: php:5.6
   script:
+    - sh utils/php-lint.sh
     - curl -o /usr/bin/phpmd -L http://static.phpmd.org/php/2.6.0/phpmd.phar
     - chmod +x /usr/bin/phpmd
     - sh utils/gitlab-ci/phpmd.sh

utils/gitlab-ci/php-lint.sh

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+
+exec find . -name "*.php" -not -path "*/lib/*" -print0 | xargs -0 -n1 php -l

utils/gitlab-ci/phpmd.sh

@@ -1,7 +1,8 @@
-#!/bin/sh -e
+#!/bin/sh -i -e
 
 #phpmd include text utils/gitlab-ci/phpmd-ruleset.xml
 #phpmd classes text utils/gitlab-ci/phpmd-ruleset.xml
 
 FILES=$(ls -dm *.php | tr -d " "| tr -d "\n")
 phpmd $FILES text utils/gitlab-ci/phpmd-ruleset.xml
+