diff --git a/coverager.c b/coverager.c
index 846340b..b120700 100644
--- a/coverager.c
+++ b/coverager.c
@@ -245,7 +245,11 @@ void xc_coverager_request_init(TSRMLS_D) /* {{{ */
 {
 	if (XG(coverager)) {
 		xc_coverager_enable(TSRMLS_C);
+#ifdef ZEND_COMPILE_EXTENDED_INFO
+		CG(compiler_options) |= ZEND_COMPILE_EXTENDED_INFO;
+#else
 		CG(extended_info) = 1;
+#endif
 	}
 	else {
 		XG(coverage_enabled) = 0;
diff --git a/processor/processor.m4 b/processor/processor.m4
index d7afe51..691ac08 100644
--- a/processor/processor.m4
+++ b/processor/processor.m4
@@ -505,7 +505,12 @@ DEF_STRUCT_P_FUNC(`zend_op_array', , `dnl {{{
 	dnl readonly_protection=on
 	dnl main op_array && have early binding
 	zend_uint ii;
-	if (!processor->readonly_protection && !(src == processor->php_src->op_array && processor->php_src->have_early_binding)) {
+#ifdef ZEND_COMPILE_DELAYED_BINDING
+	zend_bool need_early_binding = 0;
+#else
+	zend_bool need_early_binding = processor->php_src->have_early_binding;
+#endif
+	if (!processor->readonly_protection && !(src == processor->php_src->op_array && need_early_binding)) {
 		/* really fast shallow copy */
 		memcpy(dst, src, sizeof(src[0]));
 		dst->refcount[0] = 1000;
@@ -632,6 +637,9 @@ DEF_STRUCT_P_FUNC(`zend_op_array', , `dnl {{{
 	DISPATCH(int, doc_comment_len)
 	PROC_ZSTRING_L(, doc_comment, doc_comment_len)
 #endif
+#ifdef ZEND_COMPILE_DELAYED_BINDING
+	DISPATCH(zend_uint, early_binding);
+#endif
 
 	/* reserved */
 	DONE(reserved)
@@ -729,7 +737,9 @@ DEF_STRUCT_P_FUNC(`xc_classinfo_t', , `dnl {{{
 #else
 	STRUCT(zend_class_entry, cest)
 #endif
+#ifndef ZEND_COMPILE_DELAYED_BINDING
 	DISPATCH(int, oplineno)
+#endif
 ')
 dnl }}}
 #ifdef ZEND_ENGINE_2_1
@@ -806,7 +816,9 @@ DEF_STRUCT_P_FUNC(`xc_entry_data_php_t', , `dnl {{{
 		STRUCT_ARRAY(compilererror_cnt, xc_compilererror_t, compilererrors)
 	')
 #endif
+#ifndef ZEND_COMPILE_DELAYED_BINDING
 	DISPATCH(zend_bool, have_early_binding)
+#endif
 	DISPATCH(zend_bool, have_references)
 ')
 dnl }}}
diff --git a/utils.c b/utils.c
index aba5d50..4b3ae25 100644
--- a/utils.c
+++ b/utils.c
@@ -499,9 +499,11 @@ ZESW(xc_cest_t *, void) xc_install_class(char *filename, xc_cest_t *cest, int op
 					cest, sizeof(xc_cest_t),
 					ZESW(&stored_ce_ptr, NULL)
 					);
+#ifndef ZEND_COMPILE_DELAYED_BINDING
 		if (oplineno != -1) {
 			xc_do_early_binding(CG(active_op_array), CG(class_table), oplineno TSRMLS_CC);
 		}
+#endif
 	}
 	else if (zend_u_hash_quick_add(CG(class_table), type, key, len, h,
 				cest, sizeof(xc_cest_t),
@@ -672,6 +674,13 @@ xc_sandbox_t *xc_sandbox_init(xc_sandbox_t *sandbox, char *filename TSRMLS_DC) /
 	zend_error_cb = xc_sandbox_error_cb;
 #endif
 
+#ifdef ZEND_COMPILE_IGNORE_INTERNAL_CLASSES
+	sandbox->orig_compiler_options = CG(compiler_options);
+	/* Using ZEND_COMPILE_IGNORE_INTERNAL_CLASSES for ZEND_FETCH_CLASS_RT_NS_CHECK
+	 */
+	CG(compiler_options) |= ZEND_COMPILE_IGNORE_INTERNAL_CLASSES | ZEND_COMPILE_DELAYED_BINDING;
+#endif
+
 	XG(sandbox) = (void *) sandbox;
 	return sandbox;
 }
@@ -727,9 +736,13 @@ static void xc_sandbox_install(xc_sandbox_t *sandbox, xc_install_action_t instal
 #endif
 
 	if (install != XC_InstallNoBinding) {
+#ifdef ZEND_COMPILE_DELAYED_BINDING
+		zend_do_delayed_early_binding(CG(active_op_array) TSRMLS_CC);
+#else
 		xc_undo_pass_two(CG(active_op_array) TSRMLS_CC);
 		xc_foreach_early_binding_class(CG(active_op_array), xc_early_binding_cb, (void *) sandbox TSRMLS_CC);
 		xc_redo_pass_two(CG(active_op_array) TSRMLS_CC);
+#endif
 	}
 
 #ifdef E_STRICT
@@ -804,6 +817,11 @@ void xc_sandbox_free(xc_sandbox_t *sandbox, xc_install_action_t install TSRMLS_D
 		efree(sandbox->compilererrors);
 	}
 #endif
+
+#ifdef ZEND_COMPILE_IGNORE_INTERNAL_CLASSES
+	CG(compiler_options) = sandbox->orig_compiler_options;
+#endif
+
 	if (sandbox->alloc) {
 		efree(sandbox);
 	}
diff --git a/utils.h b/utils.h
index 69e90ae..ff81469 100644
--- a/utils.h
+++ b/utils.h
@@ -104,6 +104,10 @@ typedef struct {
 	zend_uint compilererror_size;
 	xc_compilererror_t *compilererrors;
 #endif
+
+#ifdef ZEND_COMPILE_IGNORE_INTERNAL_CLASSES
+	zend_uint orig_compiler_options;
+#endif
 } xc_sandbox_t;
 
 typedef enum _xc_install_action_t {
diff --git a/xcache.c b/xcache.c
index 2f0de76..84cd4d6 100644
--- a/xcache.c
+++ b/xcache.c
@@ -719,8 +719,13 @@ static zend_op_array *xc_entry_install(xc_entry_t *xce, zend_file_handle *h TSRM
 		}
 		new_cest_ptrs[i] =
 #endif
+#ifdef ZEND_COMPILE_DELAYED_BINDING
+		xc_install_class(xce->name.str.val, &ci->cest, -1,
+				UNISW(0, ci->type), ci->key, ci->key_size, ci->h TSRMLS_CC);
+#else
 		xc_install_class(xce->name.str.val, &ci->cest, ci->oplineno,
 				UNISW(0, ci->type), ci->key, ci->key_size, ci->h TSRMLS_CC);
+#endif
 	}
 
 #ifdef ZEND_ENGINE_2_1
@@ -1042,6 +1047,7 @@ static int xc_entry_init_key_php_md5(xc_entry_data_php_t *php, xc_entry_t *xce T
 	return SUCCESS;
 }
 /* }}} */
+#ifndef ZEND_COMPILE_DELAYED_BINDING
 static void xc_cache_early_binding_class_cb(zend_op *opline, int oplineno, void *data TSRMLS_DC) /* {{{ */
 {
 	char *class_name;
@@ -1069,6 +1075,7 @@ static void xc_cache_early_binding_class_cb(zend_op *opline, int oplineno, void
 	}
 }
 /* }}} */
+#endif
 static void xc_free_php(xc_entry_data_php_t *php TSRMLS_DC) /* {{{ */
 {
 #define X_FREE(var) do {\
@@ -1237,6 +1244,7 @@ static zend_op_array *xc_compile_php(xc_entry_data_php_t *php, zend_file_handle
 	php->compilererrors = ((xc_sandbox_t *) XG(sandbox))->compilererrors;
 	php->compilererror_cnt = ((xc_sandbox_t *) XG(sandbox))->compilererror_cnt;
 #endif
+#ifndef ZEND_COMPILE_DELAYED_BINDING
 	/* {{{ find inherited classes that should be early-binding */
 	php->have_early_binding = 0;
 	for (i = 0; i < php->classinfo_cnt; i ++) {
@@ -1247,6 +1255,7 @@ static zend_op_array *xc_compile_php(xc_entry_data_php_t *php, zend_file_handle
 	xc_foreach_early_binding_class(php->op_array, xc_cache_early_binding_class_cb, (void *) php TSRMLS_CC);
 	xc_redo_pass_two(php->op_array TSRMLS_CC);
 	/* }}} */
+#endif
 
 	return op_array;
 
diff --git a/xcache.h b/xcache.h
index 575edf7..bebc1cb 100644
--- a/xcache.h
+++ b/xcache.h
@@ -242,7 +242,9 @@ typedef struct {
 	zend_uint key_size;
 	ulong     h;
 	xc_cest_t cest;
+#ifndef ZEND_COMPILE_DELAYED_BINDING
 	int       oplineno;
+#endif
 } xc_classinfo_t;
 /* }}} */
 #ifdef HAVE_XCACHE_CONSTANT
@@ -315,7 +317,9 @@ struct _xc_entry_data_php_t {
 
 	zend_uint classinfo_cnt;
 	xc_classinfo_t *classinfos;
+#ifndef ZEND_COMPILE_DELAYED_BINDING
 	zend_bool have_early_binding;
+#endif
 
 #ifdef ZEND_ENGINE_2_1
 	zend_uint autoglobal_cnt;