diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d23482a76..b690b829a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -95,9 +95,19 @@ jobs:
         - SWIGLANG: octave
           CPPSTD: c++11
         - SWIGLANG: perl5
+        - SWIGLANG: php
+          VER: '7.0'
+        - SWIGLANG: php
+          VER: '7.1'
+        - SWIGLANG: php
+          VER: '7.2'
+        - SWIGLANG: php
+          VER: '7.3'
         - SWIGLANG: php
           VER: '7.4'
         - SWIGLANG: php
+        - SWIGLANG: php
+          VER: '8.1'
         - SWIGLANG: python
         - SWIGLANG: python
           PY3: 3