(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
mb_substr — Get part of 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
Der Parameter encoding
legt die Zeichenkodierung fest. Wird er nicht übergeben, so wird die interne Zeichenkodierung genutzt.
mb_substr() returns the portion of string
specified by the start
and length
parameters.
Version | Beschreibung |
---|---|
8.0.0 | encoding ist nun nullable (akzeptiert den null -Wert). |