Add PHP syntax checks for travis-ci and pre-commit hook

.travis.yml

@@ -25,6 +25,7 @@ before_script:
     - npm install -g jshint
 
 script:
+    - find . \( -name '*.php' -o -name '*.inc' \) -exec php -lf {} \;
     - if [ -e phpunit.xml ] || [ -e phpunit.xml.dist ]; then phpunit; fi
     - phpcs --standard=$(if [ -e ruleset.xml ]; then echo ruleset.xml; else echo WordPress; fi) $(find . -name '*.php')
     - jshint .

pre-commit

@@ -22,11 +22,19 @@ if [ -e .jshintrc ]; then
 	fi
 fi
 
-# PHP_CodeSniffer WordPress Coding Standards
-if [ $(git status --porcelain | egrep "^[MARC]" | cut -c4- | egrep ".php$" | wc -l) != 0 ]; then
+# Check for staged PHP files
+IFS=$'\n' staged_php_files=( $(git status --porcelain | egrep '^[MARC]' | cut -c4- | egrep '.php$') )
+echo $staged_php_files
+if [ ${#staged_php_files[@]} != 0 ]; then
+	# PHP Syntax Check
+	for php_file in "${staged_php_files[@]}"; do
+		php -lf $php_file
+	done
+
+	# PHP_CodeSniffer WordPress Coding Standards
 	if command -v jshint >/dev/null 2>&1; then
 		phpcs_standard=$(if [ -e ruleset.xml ]; then echo ruleset.xml; else echo WordPress; fi)
-		phpcs -p -s -v --standard=$phpcs_standard $(git status --porcelain | egrep "^[MARC]" | cut -c4- | egrep ".php$")
+		phpcs -p -s -v --standard=$phpcs_standard "${staged_php_files[@]}"
 	else
 		echo "Skipping phpcs since not installed"
 	fi