Measure results for a baseline PHP version

The commit is now the latest one. This should be changed later for the one after PHP 8.4 is branched.

.github/workflows/benchmark.yml

@@ -69,20 +69,29 @@ jobs:
             LAST_RESULT_SHA="$(cd ./php-version-benchmarks/tmp/php_master/ && git --no-pager log --until="$YESTERDAY" -n 1 --pretty='%H')"
           fi
 
+          BASELINE_SHA="306a51951f460abc3a7ebf4d196474d4c041b87e"
+          BASELINE_SHORT_SHA="$(echo "$BASELINE_SHA" | cut -c1-7)"
+
+          # Set config for the baseline PHP version
+          cp ./php-version-benchmarks/config/php/master.ini.dist ./php-version-benchmarks/config/php/master_baseline.ini
+          sed -i 's/PHP_NAME="PHP - master"/PHP_NAME="PHP - baseline@'"$BASELINE_SHORT_SHA"'"/g' ./php-version-benchmarks/config/php/master_baseline.ini
+          sed -i "s/PHP_ID=php_master/PHP_ID=php_master_baseline/g" ./php-version-benchmarks/config/php/master_baseline.ini
+          sed -i "s/PHP_COMMIT=/PHP_COMMIT=$BASELINE_SHA/g" ./php-version-benchmarks/config/php/master_baseline.ini
+
           # Set config for the previous PHP version
-          cp ./php-version-benchmarks/config/php/master.ini.dist ./php-version-benchmarks/config/php/master1.ini
-          sed -i 's/PHP_NAME="PHP - master"/PHP_NAME="PHP - previous master"/g' ./php-version-benchmarks/config/php/master1.ini
-          sed -i "s/PHP_ID=php_master/PHP_ID=php_master_previous/g" ./php-version-benchmarks/config/php/master1.ini
-          sed -i "s/PHP_COMMIT=/PHP_COMMIT=$LAST_RESULT_SHA/g" ./php-version-benchmarks/config/php/master1.ini
+          cp ./php-version-benchmarks/config/php/master.ini.dist ./php-version-benchmarks/config/php/master_last.ini
+          sed -i 's/PHP_NAME="PHP - master"/PHP_NAME="PHP - previous master"/g' ./php-version-benchmarks/config/php/master_last.ini
+          sed -i "s/PHP_ID=php_master/PHP_ID=php_master_previous/g" ./php-version-benchmarks/config/php/master_last.ini
+          sed -i "s/PHP_COMMIT=/PHP_COMMIT=$LAST_RESULT_SHA/g" ./php-version-benchmarks/config/php/master_last.ini
 
           # Set config for the current PHP version
-          cp ./php-version-benchmarks/config/php/master.ini.dist ./php-version-benchmarks/config/php/master2.ini
-          sed -i "s/PHP_COMMIT=/PHP_COMMIT=${{ github.sha }}/g" ./php-version-benchmarks/config/php/master2.ini
+          cp ./php-version-benchmarks/config/php/master.ini.dist ./php-version-benchmarks/config/php/master_now.ini
+          sed -i "s/PHP_COMMIT=/PHP_COMMIT=${{ github.sha }}/g" ./php-version-benchmarks/config/php/master_now.ini
 
           # Set config for current PHP version with JIT
           git clone ./php-version-benchmarks/tmp/php_master/ ./php-version-benchmarks/tmp/php_master_jit
-          cp ./php-version-benchmarks/config/php/master_jit.ini.dist ./php-version-benchmarks/config/php/master2_jit.ini
-          sed -i "s/PHP_COMMIT=/PHP_COMMIT=${{ github.sha }}/g" ./php-version-benchmarks/config/php/master2_jit.ini
+          cp ./php-version-benchmarks/config/php/master_jit.ini.dist ./php-version-benchmarks/config/php/master_now_jit.ini
+          sed -i "s/PHP_COMMIT=/PHP_COMMIT=${{ github.sha }}/g" ./php-version-benchmarks/config/php/master_now_jit.ini
 
           # Set test configs
           cp ./php-version-benchmarks/config/test/1_laravel.ini.dist ./php-version-benchmarks/config/test/1_laravel.ini