Fix not thread safe xmlSchemaParse calls in ZTS builds by calling xmlSchemaInitTypes during MINIT. See: https://gitlab.gnome.org/GNOME/libxml2/-/issues/930

Author: SpencerMalone

ext/dom/php_dom.c

@@ -29,6 +29,9 @@
 #include "zend_interfaces.h"
 
 #include "ext/standard/info.h"
+#ifdef LIBXML_SCHEMAS_ENABLED
+#include <libxml/xmlschemastypes.h>
+#endif
 #define PHP_XPATH 1
 #define PHP_XPTR 2
 
@@ -864,6 +867,10 @@ PHP_MINIT_FUNCTION(dom)
 
 	php_libxml_register_export(dom_node_class_entry, php_dom_export_node);
 
+#ifdef LIBXML_SCHEMAS_ENABLED
+	xmlSchemaInitTypes();
+#endif
+
 	return SUCCESS;
 }
 /* }}} */