The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
XSL_CLONE_AUTO
(int) XSL_CLONE_NEVER
(int) XSL_CLONE_ALWAYS
(int) LIBXSLT_VERSION
(int) LIBXSLT_DOTTED_VERSION
(string) LIBEXSLT_VERSION
(int) LIBEXSLT_DOTTED_VERSION
(string) XSL_SECPREF_NONE
(int) XSL_SECPREF_READ_FILE
(int) XSL_SECPREF_WRITE_FILE
(int) XSL_SECPREF_CREATE_DIRECTORY
(int) XSL_SECPREF_READ_NETWORK
(int) XSL_SECPREF_WRITE_NETWORK
(int) XSL_SECPREF_DEFAULT
(int) XSL_SECPREF_WRITE_NETWORK
| XSL_SECPREF_CREATE_DIRECTORY
| XSL_SECPREF_WRITE_FILE
.