silent output from validate_examples when things go well

Author: Thomas Kerin

validate_examples.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 for i in examples/*.php; do
-    php $i
-    if [ $? != 0 ]; then
-        echo "Error running example code";
+    php $i > /dev/null
+    if [ $? -ne 0 ]; then
+        echo "Error running example code: $i";
         exit -1
     fi;
 done