XSL
PHP Manual

Predefined Constants

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 (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_NONE (integer)
Deactivate all security restrictions.
XSL_SECPREF_READ_FILE (integer)
Disallows reading files.
XSL_SECPREF_WRITE_FILE (integer)
Disallows writing files.
XSL_SECPREF_CREATE_DIRECTORY (integer)
Disallows creating directories.
XSL_SECPREF_READ_NETWORK (integer)
Disallows reading network files.
XSL_SECPREF_WRITE_NETWORK (integer)
Disallows writing network files.
XSL_SECPREF_DEFAULT (integer)
Disallows all write access, i.e. a bitmask of XSL_SECPREF_WRITE_NETWORK | XSL_SECPREF_CREATE_DIRECTORY | XSL_SECPREF_WRITE_FILE.

XSL
PHP Manual