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mb_stripos

PHP function Edit on GitHub ✎

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

Finds position of first occurrence of a string within another, case insensitive

Description

mb_stripos(string $haystack, string $needle, int $offset = 0, string|null $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: Parameter

Return Values

Return the numeric position of the first occurrence of needle in the haystack string, or false if needle is not found.

Errors/Exceptions

If offset is greater than the length of haystack, a ValueError will be thrown.

Changelog

Version	Description
7.1.0	Support for negative `offset`s has been added.