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split(PHP 4, PHP 5) split — Split string into array by regular expression Description
array split
( string $pattern
, string $string
[, int $limit
] )
Splits a string into array by regular expression. Parameters
Return ValuesReturns 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. Examples
Example #1 split() example To split off the first four fields from a line from /etc/passwd:
<?php
Example #2 split() example To parse a date which may be delimited with slashes, dots, or hyphens:
<?php
NotesTip
preg_split(), which uses a Perl-compatible regular expression syntax, is often a faster alternative to split(). If you don't require the power of regular expressions, it is faster to use explode(), which doesn't incur the overhead of the regular expression engine. Tip
For users looking for a way to emulate Perl's @chars = split('', $str) behaviour, please see the examples for preg_split() or str_split(). See Also
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