Beginning
with
PHP
4.2.0
this
function
are
enabled
by
default
.
This
extension
does
not
define
any
configuration
directives
.
This
extension
does
not
define
any
resource
types
.
PREG_PATTERN_ORDER
PREG_SET_ORDER
PREG_SPLIT_NO_EMPTY
PREG_SPLIT_DELIM_CAPTURE