diff --git a/Dockerfile b/Dockerfile
index 144f2c19..96eee394 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -267,7 +267,10 @@ ENV ACTIONS_RUNNER_DEBUG=${ACTIONS_RUNNER_DEBUG} \
     VALIDATE_OPENAPI=${VALIDATE_OPENAPI} \
     VALIDATE_PERL=${VALIDATE_PERL} \
     VALIDATE_PHP=${VALIDATE_PHP} \
+    VALIDATE_PHP_BUILTIN=${VALIDATE_PHP_BUILTIN} \
+    VALIDATE_PHP_PHPCS=${VALIDATE_PHP_PHPCS} \
     VALIDATE_PHP_PHPSTAN=${VALIDATE_PHP_PHPSTAN} \
+    VALIDATE_PHP_PSALM=${VALIDATE_PHP_PSALM} \
     VALIDATE_POWERSHELL=${VALIDATE_POWERSHELL} \
     VALIDATE_PROTOBUF=${VALIDATE_PROTOBUF} \
     VALIDATE_PYTHON=${VALIDATE_PYTHON} \
diff --git a/lib/linter.sh b/lib/linter.sh
index 9772189c..6c1fda1f 100755
--- a/lib/linter.sh
+++ b/lib/linter.sh
@@ -183,7 +183,7 @@ VALIDATE_LUA="${VALIDATE_LUA}"                                       # Boolean t
 VALIDATE_MARKDOWN="${VALIDATE_MD:-}"                                 # Boolean to validate language
 VALIDATE_OPENAPI="${VALIDATE_OPENAPI}"                               # Boolean to validate language
 VALIDATE_PERL="${VALIDATE_PERL}"                                     # Boolean to validate language
-VALIDATE_PHP_BUILTIN="${VALIDATE_PHP:-VALIDATE_PHP_BUILTIN}"         # Boolean to validate language
+VALIDATE_PHP_BUILTIN="${VALIDATE_PHP:-$VALIDATE_PHP_BUILTIN}"         # Boolean to validate language
 VALIDATE_PHP_PHPCS="${VALIDATE_PHP_PHPCS}"                           # Boolean to validate language
 VALIDATE_PHP_PHPSTAN="${VALIDATE_PHP_PHPSTAN}"                       # Boolean to validate language
 VALIDATE_PHP_PSALM="${VALIDATE_PHP_PSALM}"                           # Boolean to validate language