diff --git a/core/emperor.c b/core/emperor.c
index c004d09d..0a69dd34 100644
--- a/core/emperor.c
+++ b/core/emperor.c
@@ -1758,12 +1758,17 @@ static void emperor_cleanup() {
 void emperor_loop() {
 
 #if defined(__linux__) && defined(PR_SET_CHILD_SUBREAPER)
-        if (uwsgi.emperor_use_fork_server || uwsgi.emperor_subreaper) {
+        if (uwsgi.emperor_use_fork_server || uwsgi.emperor_subreaper || uwsgi.emperor_fork_server_attr) {
                 if (prctl(PR_SET_CHILD_SUBREAPER, 1, 0, 0, 0)) {
                         uwsgi_error("uwsgi_fork_server()/fork()");
                         exit(1);
                 }
         }
+#else
+	if (uwsgi.emperor_use_fork_server || uwsgi.emperor_subreaper || uwsgi.emperor_fork_server_attr) {
+		uwsgi_log("*** DANGER: your kernel misses PR_SET_CHILD_SUBREAPER feature, required by the fork server ***\n");
+		uwsgi_log("*** your Emperor will not be able to correctly wait() on vassals ***\n");
+	}
 #endif
 
 	// monitor a directory
diff --git a/plugins/php/php_plugin.c b/plugins/php/php_plugin.c
index bc15bad8..250c04af 100644
--- a/plugins/php/php_plugin.c
+++ b/plugins/php/php_plugin.c
@@ -4,6 +4,8 @@ extern struct uwsgi_server uwsgi;
 
 static sapi_module_struct uwsgi_sapi_module;
 
+static int uwsgi_php_init(void);
+
 struct uwsgi_php {
 	struct uwsgi_string_list *allowed_docroot;
 	struct uwsgi_string_list *allowed_ext;
@@ -28,6 +30,8 @@ struct uwsgi_php {
 	struct uwsgi_string_list *exec_after;
 
 	char *sapi_name;
+
+	int sapi_initialized;
 } uphp;
 
 void uwsgi_opt_php_ini(char *opt, char *value, void *foobar) {
@@ -35,6 +39,10 @@ void uwsgi_opt_php_ini(char *opt, char *value, void *foobar) {
         uwsgi_sapi_module.php_ini_ignore = 1;
 }
 
+void uwsgi_opt_early_php(char *opt, char *value, void *foobar) {
+	uwsgi_php_init();
+}
+
 struct uwsgi_option uwsgi_php_options[] = {
 
         {"php-ini", required_argument, 0, "set php.ini path", uwsgi_opt_php_ini, NULL, 0},
@@ -61,6 +69,9 @@ struct uwsgi_option uwsgi_php_options[] = {
         {"php-exec-after", required_argument, 0, "run specified php code after the requested script", uwsgi_opt_add_string_list, &uphp.exec_after, 0},
         {"php-exec-end", required_argument, 0, "run specified php code after the requested script", uwsgi_opt_add_string_list, &uphp.exec_after, 0},
         {"php-sapi-name", required_argument, 0, "hack the sapi name (required for enabling zend opcode cache)", uwsgi_opt_set_str, &uphp.sapi_name, 0},
+
+        {"early-php", no_argument, 0, "initialize an early perl interpreter shared by all loaders", uwsgi_opt_early_php, NULL, UWSGI_OPT_IMMEDIATE},
+        {"early-php-sapi-name", required_argument, 0, "hack the sapi name (required for enabling zend opcode cache)", uwsgi_opt_set_str, &uphp.sapi_name, UWSGI_OPT_IMMEDIATE},
 	UWSGI_END_OF_OPTIONS
 };
 
@@ -548,12 +559,15 @@ static sapi_module_struct uwsgi_sapi_module = {
 	STANDARD_SAPI_MODULE_PROPERTIES
 };
 
-int uwsgi_php_init(void) {
+static int uwsgi_php_init(void) {
 
 	struct uwsgi_string_list *pset = uphp.set;
 	struct uwsgi_string_list *append_config = uphp.append_config;
 
-	sapi_startup(&uwsgi_sapi_module);
+	if (!uphp.sapi_initialized) {
+		sapi_startup(&uwsgi_sapi_module);
+		uphp.sapi_initialized = 1;
+	}
 
 	// applying custom options
 	while(append_config) {
@@ -584,6 +598,7 @@ int uwsgi_php_init(void) {
 	if (uphp.sapi_name) {
 		uwsgi_sapi_module.name = uphp.sapi_name;
 	}
+
 	uwsgi_sapi_module.startup(&uwsgi_sapi_module);
 	uwsgi_log("PHP %s initialized\n", PHP_VERSION);