Splits a string
into array by regular expression.
This function is identical to split() except that this ignores case distinction when matching alphabetic characters.
pattern
Case insensitive regular expression.
If you want to split on any of the characters which are considered special by regular expressions, you'll need to escape them first. If you think split() (or any other regex function, for that matter) is doing something weird, please read the file regex.7, included in the regex/ subdirectory of the PHP distribution. It's in manpage format, so you'll want to do something along the lines of man /usr/local/src/regex/regex.7 in order to read it.
string
The input string.
limit
If limit
is set, the returned array will
contain a maximum of limit
elements with the
last element containing the whole rest of
string
.
Returns an array of strings, each of which is a substring of
string
formed by splitting it on boundaries formed
by the case-sensitive regular expression pattern
.
If there are n occurrences of
pattern
, the returned array will contain
n+1 items. For example, if
there is no occurrence of pattern
, an array with
only one element will be returned. Of course, this is also true if
string
is empty. If an error occurs,
split() returns FALSE.