diff -urNp -x '*.orig' php-7.0.33.org/ext/pdo/pdo.c php-7.0.33/ext/pdo/pdo.c
--- php-7.0.33.org/ext/pdo/pdo.c	2018-12-04 18:23:01.000000000 +0100
+++ php-7.0.33/ext/pdo/pdo.c	2021-08-23 23:36:38.248768024 +0200
@@ -130,7 +130,7 @@ const zend_function_entry pdo_functions[
 /* {{{ pdo_functions[] */
 #if ZEND_MODULE_API_NO >= 20050922
 static const zend_module_dep pdo_deps[] = {
-#ifdef HAVE_SPL
+#ifdef HAVE_SPL && !COMPILE_DL_SPL
 	ZEND_MOD_REQUIRED("spl")
 #endif
 	ZEND_MOD_END
diff -urNp -x '*.orig' php-7.0.33.org/ext/phar/Makefile.frag php-7.0.33/ext/phar/Makefile.frag
--- php-7.0.33.org/ext/phar/Makefile.frag	2018-12-04 18:22:51.000000000 +0100
+++ php-7.0.33/ext/phar/Makefile.frag	2021-08-23 23:36:38.248768024 +0200
@@ -9,7 +9,7 @@ PHP_PHARCMD_EXECUTABLE = ` \
 		$(top_srcdir)/build/shtool echo -n -- "$(top_builddir)/$(SAPI_CLI_PATH) -n"; \
 		if test "x$(PHP_MODULES)" != "x"; then \
 		$(top_srcdir)/build/shtool echo -n -- " -d extension_dir=$(top_builddir)/modules"; \
-		for i in bz2 zlib phar; do \
+		for i in pcre spl bz2 zlib phar; do \
 			if test -f "$(top_builddir)/modules/$$i.la"; then \
 				. $(top_builddir)/modules/$$i.la; $(top_srcdir)/build/shtool echo -n -- " -d extension=$$dlname"; \
 			fi; \
diff -urNp -x '*.orig' php-7.0.33.org/ext/spl/config.m4 php-7.0.33/ext/spl/config.m4
--- php-7.0.33.org/ext/spl/config.m4	2018-12-04 18:22:57.000000000 +0100
+++ php-7.0.33/ext/spl/config.m4	2021-08-23 23:36:38.245434647 +0200
@@ -2,6 +2,6 @@ dnl $Id$
 dnl config.m4 for extension SPL
 
   AC_DEFINE(HAVE_SPL, 1, [Whether you want SPL (Standard PHP Library) support]) 
-  PHP_NEW_EXTENSION(spl, php_spl.c spl_functions.c spl_engine.c spl_iterators.c spl_array.c spl_directory.c spl_exceptions.c spl_observer.c spl_dllist.c spl_heap.c spl_fixedarray.c, no,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
+  PHP_NEW_EXTENSION(spl, php_spl.c spl_functions.c spl_engine.c spl_iterators.c spl_array.c spl_directory.c spl_exceptions.c spl_observer.c spl_dllist.c spl_heap.c spl_fixedarray.c, $ext_shared,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
   PHP_INSTALL_HEADERS([ext/spl], [php_spl.h spl_array.h spl_directory.h spl_engine.h spl_exceptions.h spl_functions.h spl_iterators.h spl_observer.h spl_dllist.h spl_heap.h spl_fixedarray.h])
   PHP_ADD_EXTENSION_DEP(spl, pcre, true)
diff -urNp -x '*.orig' php-7.0.33.org/ext/spl/spl_iterators.c php-7.0.33/ext/spl/spl_iterators.c
--- php-7.0.33.org/ext/spl/spl_iterators.c	2018-12-04 18:22:57.000000000 +0100
+++ php-7.0.33/ext/spl/spl_iterators.c	2021-08-23 23:36:38.245434647 +0200
@@ -60,7 +60,13 @@ PHPAPI zend_class_entry *spl_ce_EmptyIte
 PHPAPI zend_class_entry *spl_ce_AppendIterator;
 PHPAPI zend_class_entry *spl_ce_RegexIterator;
 PHPAPI zend_class_entry *spl_ce_RecursiveRegexIterator;
+#if COMPILE_DL_SPL
+#undef spl_ce_Countable
+zend_class_entry *spl_ce_Countable; // real instance
+extern PHPAPI zend_class_entry *spl_ce_Countable_p; // external one
+#else
 PHPAPI zend_class_entry *spl_ce_Countable;
+#endif
 PHPAPI zend_class_entry *spl_ce_RecursiveTreeIterator;
 
 ZEND_BEGIN_ARG_INFO(arginfo_recursive_it_void, 0)
@@ -3791,6 +3797,10 @@ PHP_MINIT_FUNCTION(spl_iterators)
 	REGISTER_SPL_STD_CLASS_EX(EmptyIterator, NULL, spl_funcs_EmptyIterator);
 	REGISTER_SPL_ITERATOR(EmptyIterator);
 
+#if COMPILE_DL_SPL
+	spl_ce_Countable_p = spl_ce_Countable;
+#endif
+
 	REGISTER_SPL_SUB_CLASS_EX(RecursiveTreeIterator, RecursiveIteratorIterator, spl_RecursiveTreeIterator_new, spl_funcs_RecursiveTreeIterator);
 	REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "BYPASS_CURRENT",      RTIT_BYPASS_CURRENT);
 	REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "BYPASS_KEY",          RTIT_BYPASS_KEY);
diff -urNp -x '*.orig' php-7.0.33.org/ext/spl/spl_iterators.h php-7.0.33/ext/spl/spl_iterators.h
--- php-7.0.33.org/ext/spl/spl_iterators.h	2018-12-04 18:22:57.000000000 +0100
+++ php-7.0.33/ext/spl/spl_iterators.h	2021-08-23 23:36:38.245434647 +0200
@@ -51,7 +51,12 @@ extern PHPAPI zend_class_entry *spl_ce_E
 extern PHPAPI zend_class_entry *spl_ce_AppendIterator;
 extern PHPAPI zend_class_entry *spl_ce_RegexIterator;
 extern PHPAPI zend_class_entry *spl_ce_RecursiveRegexIterator;
+#if COMPILE_DL_SPL
+#define spl_ce_Countable spl_ce_Countable_p
+extern PHPAPI zend_class_entry *spl_ce_Countable_p;
+#else
 extern PHPAPI zend_class_entry *spl_ce_Countable;
+#endif
 extern PHPAPI zend_class_entry *spl_ce_CallbackFilterIterator;
 extern PHPAPI zend_class_entry *spl_ce_RecursiveCallbackFilterIterator;
 
diff -urNp -x '*.orig' php-7.0.33.org/ext/standard/array.c php-7.0.33/ext/standard/array.c
--- php-7.0.33.org/ext/standard/array.c	2018-12-04 18:22:44.000000000 +0100
+++ php-7.0.33/ext/standard/array.c	2021-08-23 23:36:38.248768024 +0200
@@ -50,6 +50,9 @@
 #ifdef HAVE_SPL
 #include "ext/spl/spl_array.h"
 #endif
+#if COMPILE_DL_SPL
+PHPAPI zend_class_entry *spl_ce_Countable_p = NULL; // external one
+#endif
 
 /* {{{ defines */
 #define EXTR_OVERWRITE			0