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(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.
lengthstring. If
omitted or null is passed, extract all characters to
the end of the string.
encodingПараметром
encoding вказується кодування символів. Якщо він
пропущений або null, використається внутрішнє кодування.
mb_substr() returns the portion of
string specified by the
start and
length parameters.
| Версія | Опис |
|---|---|
| 8.4.0 | On invalid strings (those with encoding errors), character indices are now interpreted in the same manner as most other mbstring functions. This means that character indices returned by mb_strpos() can be passed directly. |
| 8.0.0 |
encoding тепер може бути null.
|
