Get part of string (original) (raw)
mb_substr
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
mb_substr — Get part of string
Description
mb_substr ( string $str , int $start [, int $length = NULL [, string $encoding = mb_internal_encoding() ]] ) : string
Parameters
str
The string to extract the substring from.
start
If start is non-negative, the returned string will start at the start'th position instr, 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
The encodingparameter is the character encoding. If it is omitted, the internal character encoding value will be used.
Return Values
mb_substr() returns the portion ofstr specified by thestart andlength parameters.
Changelog
| Version | Description |
|---|---|
| 5.4.8 | Passing NULL as length extracts all characters to the end of the string. Prior to this versionNULL was treated the same as 0. |
See Also
- mb_strcut() - Get part of string
- mb_internal_encoding() - Set/Get internal character encoding