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Finds first occurrence of a string within another, case insensitive

Multibyte String Functions

mb_stristr

(PHP 5 >= 5.2.0)

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

Description

string mb_stristr ( string $haystack , string $needle [, bool $part [, string $encoding ]] )

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
part: Determines which portion of haystack this function returns. If set to TRUE, it returns all of haystack from the beginning to the first occurrence of needle . If set to FALSE, it returns all of haystack from the first occurrence of needle to the end, Default value is FALSE.
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 first occurrence of a string
mb_strstr() - Finds first occurrence of a string within another

Multibyte String Functions

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