Add support for apcu_bc

Test: apcu_bc

data/supported-extensions

@@ -1,5 +1,6 @@
 amqp 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 apcu 5.5 5.6 7.0 7.1 7.2 7.3 7.4
+apcu_bc 7.0 7.1 7.2 7.3 7.4
 bcmath 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 bz2 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 calendar 5.5 5.6 7.0 7.1 7.2 7.3 7.4

install-php-extensions

@@ -138,6 +138,14 @@ processCommandArguments() {
 # Output:
 #   Nothing
 sortModulesToInstall() {
+	if stringInList 'apcu_bc' "$PHP_MODULES_TO_INSTALL"; then
+		PHP_MODULES_TO_INSTALL="$(removeStringFromList 'apcu_bc' "$PHP_MODULES_TO_INSTALL")"
+		sortModulesToInstall_alreadyInstalled="$(getPHPInstalledModules)"
+		if ! stringInList 'apcu' "$PHP_MODULES_TO_INSTALL" && ! stringInList 'apcu' "$sortModulesToInstall_alreadyInstalled"; then
+			PHP_MODULES_TO_INSTALL="$PHP_MODULES_TO_INSTALL apcu"
+		fi
+		PHP_MODULES_TO_INSTALL="$PHP_MODULES_TO_INSTALL apcu_bc"
+	fi
 	if stringInList 'igbinary' "$PHP_MODULES_TO_INSTALL"; then
 		PHP_MODULES_TO_INSTALL="$(removeStringFromList 'igbinary' "$PHP_MODULES_TO_INSTALL")"
 		if test -z "$PHP_MODULES_TO_INSTALL"; then
@@ -1302,6 +1310,10 @@ installPECLModule() {
 		printf "$installPECLModule_stdin" | pecl install "$installPECLModule_actual"
 	fi
 	case "$2" in
+		apcu_bc)
+			# apcu_bc must be loaded after apcu
+			docker-php-ext-enable --ini-name "xx-php-ext-$2.ini" apc
+			;;
 		http)
 			# http must be loaded after raphf and propro
 			docker-php-ext-enable --ini-name "xx-php-ext-$2.ini" "$2"

scripts/check-installed-extension.php

@@ -4,6 +4,7 @@ $rc = 0;
 $numTestedExtensions = 0;
 $nameMap = [
     'opcache' => 'Zend OPcache',
+    'apcu_bc' => 'apc',
 ];
 $testsDir = __DIR__ . '/tests';
 function runTest($testFile)