Php/docs/function.mb-stristr
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mb_stristr
(PHP 5 >= 5.2.0, PHP 7)
mb_stristr — Finds first occurrence of a string within another, case insensitive
Description
mb_stristr
( string $haystack
, string $needle
[, bool $before_needle
= FALSE
[, string $encoding
= mb_internal_encoding()
]] ) : string
mb_stristr() finds the first occurrence of
needle
in haystack
and returns the portion of haystack
.
Unlike mb_strstr(),
mb_stristr() is case-insensitive.
If needle
is not found, it returns FALSE
.
Parameters
haystack
- The string from which to get the first occurrence of
needle
needle
- The string to find in
haystack
before_needle
- Determines which portion of
haystack
this function returns. If set toTRUE
, it returns all ofhaystack
from the beginning to the first occurrence ofneedle
(excluding needle). If set toFALSE
, it returns all ofhaystack
from the first occurrence ofneedle
to the end (including needle). encoding
- Character encoding name to use. If it is omitted, internal character encoding is used.
Return Values
Returns the portion of haystack
,
or FALSE
if needle
is not found.
See Also
- stristr() - Case-insensitive strstr
- strstr() - Find the first occurrence of a string
- mb_strstr() - Finds first occurrence of a string within another