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PHP mb_stripos

PHP original manual for mb_stripos [ show | php.net ]

mb_stripos

(PHP 5 >= 5.2.0, PHP 7)

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

Description

int mb_stripos ( string $haystack , string $needle [, int $offset = 0 [, string $encoding = mb_internal_encoding() ]] )

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
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