(PHP 4 >= 4.0.6, PHP 5, PHP 7)
mb_substr — Get part of string
$string
, int $start
[, int|null $length
= null
[, string|null $encoding
= null
]] ) : string
Performs a multi-byte safe
substr() operation based on
number of characters. Position is
counted from the beginning of
string
. First character's position is
0. Second character position is 1, and so on.
string
The string to extract the substring from.
start
If start
is non-negative, the returned string
will start at the start
'th position in
string
, 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 string
.
length
Maximum number of characters to use from string
. If
omitted or NULL
is passed, extract all characters to
the end of the string.
encoding
O parâmetro encoding
é a codificação de caractere. Se ele é omitido, o valor da codificação de caractere interna
é usado.
mb_substr() returns the portion of
string
specified by the
start
and
length
parameters.
Versão | Descrição |
---|---|
8.0.0 |
encoding is nullable now.
|