(PHP 4 >= 4.0.6, PHP 5, PHP 7)
mb_substr — Get part of string
$str
, int $start
[, int $length
= NULL
[, string $encoding
= mb_internal_encoding()
]] )
Performs a multi-byte safe
substr() operation based on
number of characters. Position is
counted from the beginning of
str
. First character's position is
0. Second character position is 1, and so on.
str
The string to extract the substring from.
start
If start
is non-negative, the returned string
will start at the start
'th position in
str
, counting from zero. For instance,
in the string 'abcdef', the character at
position 0 is 'a', the
character at position 2 is
'c', and so forth.
If start
is negative, the returned string
will start at the start
'th character
from the end of str
.
length
Maximum number of characters to use from str
. If
omitted or NULL is passed, extract all characters to
the end of the string.
encoding
Parametrul encoding
reprezintă codificarea caracterelor.
Dacă el este omis, va fi utilizată valoarea internă a codificării caracterelor.
mb_substr() returns the portion of
str
specified by the
start
and
length
parameters.
Versiune | Descriere |
---|---|
5.4.8 |
Passing NULL as length
extracts all characters to the end of the string. Prior to this version
NULL was treated the same as 0.
|