&reftitle.constants; &extension.constants; XSL_CLONE_AUTO (integer) XSL_CLONE_NEVER (integer) XSL_CLONE_ALWAYS (integer) LIBXSLT_VERSION (integer) libxslt version like 10117. Available as of PHP 5.1.2. LIBXSLT_DOTTED_VERSION (string) libxslt version like 1.1.17. Available as of PHP 5.1.2. LIBEXSLT_VERSION (integer) libexslt version like 813. Available as of PHP 5.1.2. LIBEXSLT_DOTTED_VERSION (string) libexslt version like 1.1.17. Available as of PHP 5.1.2. XSL_SECPREF_READ_FILE (integer) XSL_SECPREF_WRITE_FILE (integer) XSL_SECPREF_CREATE_DIRECTORY (integer) XSL_SECPREF_READ_NETWORK (integer) XSL_SECPREF_WRITE_NETWORK (integer)