(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
mb_substr — Get part of string
$string,$start,$length = null,$encoding = null
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.
stringThe 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.
encodingThe encoding
parameter is the character encoding. If it is omitted or null, the internal character
encoding value will be used.
mb_substr() returns the portion of
string specified by the
start and
length parameters.
| Version | Description |
|---|---|
| 8.0.0 |
encoding is nullable now.
|