mb_stripos
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
mb_stripos — Finds position of first occurrence of a string within another, case insensitive
Description
string
$haystack
,string
$needle
,int
$offset
= 0,?string
$encoding
= null
): int|false
mb_stripos() returns the numeric position of
the first occurrence of needle
in the
haystack
string.
Unlike mb_strpos(),
mb_stripos() is case-insensitive.
If needle
is not found, it returns false
.
Parameters
-
haystack
-
The string from which to get the position of the first occurrence of
needle
-
needle
-
The string to find in
haystack
-
offset
-
The position in
haystack
to start searching. A negative offset counts from the end of the string. -
encoding
-
Character encoding name to use. If it is omitted, internal character encoding is used.
Return Values
Return the numeric position of the first occurrence of
needle
in the haystack
string, or false
if needle
is not found.
Changelog
Version | Description |
---|---|
8.0.0 |
needle now accepts an empty string.
|
8.0.0 |
encoding is nullable now.
|
7.1.0 |
Support for negative offset s has been added.
|
See Also
- stripos() - Find the position of the first occurrence of a case-insensitive substring in a string
- strpos() - Find the position of the first occurrence of a substring in a string
- mb_strpos() - Find position of first occurrence of string in a string