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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
mb_stripos(
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
haystackto 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 offsets 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
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.mb-stripos.php