diff --git a/docker/php/run.sh b/docker/php/run.sh
index 3e5631f..6048485 100644
--- a/docker/php/run.sh
+++ b/docker/php/run.sh
@@ -1 +1,6 @@
-printf %s "$1" | php -r || true
+mkdir "$CODEDIR" && cd "$CODEDIR"
+
+printf %s "$1" > program.php
+php program.php || true
+
+cd .. && rm -rf "$CODEDIR"