replace php to php7
diff --git a/tools/internal_ci/linux/grpc_basictests_php.cfg b/tools/internal_ci/linux/grpc_basictests_php.cfg
index 80aa0dc..012709c 100644
--- a/tools/internal_ci/linux/grpc_basictests_php.cfg
+++ b/tools/internal_ci/linux/grpc_basictests_php.cfg
@@ -26,5 +26,5 @@
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests linux php --inner_jobs 16 -j 2 --internal_ci --bq_result_table aggregate_results"
+  value: "-f basictests linux php7 --inner_jobs 16 -j 2 --internal_ci --bq_result_table aggregate_results"
 }
diff --git a/tools/internal_ci/macos/grpc_basictests_php.cfg b/tools/internal_ci/macos/grpc_basictests_php.cfg
index 091f68e..35caa84 100644
--- a/tools/internal_ci/macos/grpc_basictests_php.cfg
+++ b/tools/internal_ci/macos/grpc_basictests_php.cfg
@@ -27,5 +27,5 @@
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests macos php --internal_ci -j 1 --inner_jobs 4 --bq_result_table aggregate_results"
+  value: "-f basictests macos php7 --internal_ci -j 1 --inner_jobs 4 --bq_result_table aggregate_results"
 }
diff --git a/tools/internal_ci/macos/pull_request/grpc_basictests_php.cfg b/tools/internal_ci/macos/pull_request/grpc_basictests_php.cfg
index 11b1787..fc81deb 100644
--- a/tools/internal_ci/macos/pull_request/grpc_basictests_php.cfg
+++ b/tools/internal_ci/macos/pull_request/grpc_basictests_php.cfg
@@ -27,5 +27,5 @@
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests macos php --internal_ci -j 1 --inner_jobs 4 --max_time=3600"
+  value: "-f basictests macos php7 --internal_ci -j 1 --inner_jobs 4 --max_time=3600"
 }
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index f9f4ee3..4df1f7d 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -570,6 +570,7 @@
     def __str__(self):
         return 'grpc-node'
 
+
 class Php7Language(object):
 
     def configure(self, config, args):