(PHP3 >= 3.0.9, PHP4 )
preg_split -- Split string by a regular expression
Description
array preg_split (string pattern, string subject [, int
limit [, int
flags]])
Note:
Parameter flags was added in PHP 4 Beta 3.
Returns an array containing substrings of
subject split along boundaries matched by
pattern.
If limit is specified, then only substrings
up to limit are returned.
If flags is PREG_SPLIT_NO_EMPTY then only
non-empty pieces will be returned by preg_split().
Example 1. preg_split() example
Get the parts of a search string.
// split the phrase by any number of commas or space characters,
// which include " ", \r, \t, \n and \f
$keywords = preg_split ("/[\s,]+/", "hypertext language, programming");
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Splitting a string into component characters.
$str = 'string';
$chars = preg_split('//', $str, 0, PREG_SPLIT_NO_EMPTY);
print_r($chars);
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See also preg_match(),
preg_match_all(), and
preg_replace().