diff --git a/src/php/bin/build_all_docker_images.sh b/src/php/bin/build_all_docker_images.sh
index 3a644387173..09bb1d6e907 100755
--- a/src/php/bin/build_all_docker_images.sh
+++ b/src/php/bin/build_all_docker_images.sh
@@ -16,7 +16,7 @@
 set -e
 cd $(dirname $0)/../../..
 
-ALL_IMAGES=( grpc-ext grpc-src alpine php5 php-src php-future php-zts
+ALL_IMAGES=( grpc-ext grpc-src alpine centos7 php5 php-src php-future php-zts
              fork-support )
 
 if [[ "$1" == "--cmds" ]]; then
diff --git a/src/php/docker/README.md b/src/php/docker/README.md
index ab5acf84f7d..3df7039b8ce 100644
--- a/src/php/docker/README.md
+++ b/src/php/docker/README.md
@@ -95,6 +95,20 @@ Run image:
 ```sh
 $ docker run -it --rm grpc-php/alpine
 ```
+### `centos7`
+
+This image builds the `grpc` extension against the GCC version in Centos7 base image.
+
+Build `centos7` docker image:
+```sh
+$ cd grpc
+$ docker build -t grpc-gcc5/centos -f ./src/php/docker/centos7/Dockerfile .
+```
+
+Run image:
+```sh
+$ docker run -it --rm grpc-gcc5/centos
+```
 
 ### `php-src`
 
diff --git a/src/php/docker/centos7/Dockerfile b/src/php/docker/centos7/Dockerfile
new file mode 100644
index 00000000000..e6491a0cb38
--- /dev/null
+++ b/src/php/docker/centos7/Dockerfile
@@ -0,0 +1,57 @@
+# Copyright 2019 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM centos:centos7
+
+# Install PHP7.2
+RUN yum update -y && \
+  yum install epel-release -y && \
+  rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm && \
+  rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm && \
+  yum --enablerepo=remi-php72 install php -y && \
+  yum-config-manager --enable remi-php72 && \
+  yum install -y php-fpm php-pear make php-devel wget libmpc-devel mpfr-devel gmp-devel yum-utils && \
+  yum clean all -y
+
+ARG MAKEFLAGS=-j8
+
+WORKDIR /tmp
+
+# Easy way to install gcc version 
+# devtoolset-3-toolchain(GCC-4)
+# devtoolset-4-toolchain(GCC-5)
+# devtoolset-6-toolchain(GCC-6)
+# devtoolset-7-toolchain(GCC-7)
+# etc
+
+RUN yum install -y centos-release-scl && \
+  yum install -y devtoolset-4-gcc*
+
+SHELL [ "/usr/bin/scl", "enable", "devtoolset-4"]
+
+# Install phpunit
+RUN wget https://phar.phpunit.de/phpunit-5.7.27.phar && \
+  mv phpunit-5.7.27.phar /usr/local/bin/phpunit && \
+  chmod +x /usr/local/bin/phpunit
+
+
+WORKDIR /github/grpc
+
+COPY . .
+
+RUN pear package && \
+  find . -name grpc-*.tgz | xargs -I{} pecl install {}
+
+
+CMD ["/github/grpc/src/php/bin/run_tests.sh", "--skip-persistent-channel-tests"]