mb_strstr
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
mb_strstr — Finds first occurrence of a string within another
Beschreibung
string
$haystack,string
$needle,bool
$before_needle = false,?string
$encoding = null): string|false
mb_strstr() finds the first occurrence of
needle in haystack
and returns the portion of haystack.
If needle is not found, it returns false.
Parameter-Liste
-
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
haystackthis function returns. If set totrue, it returns all ofhaystackfrom the beginning to the first occurrence ofneedle(excluding needle). If set tofalse, it returns all ofhaystackfrom the first occurrence ofneedleto the end (including needle). -
encoding -
Character encoding name to use. If it is omitted, internal character encoding is used.
Rückgabewerte
Returns the portion of haystack,
or false if needle is not found.
Changelog
| Version | Beschreibung |
|---|---|
| 8.0.0 |
needle akzeptiert nun eine leere Zeichenkette.
|
| 8.0.0 |
encoding ist nun nullable (akzeptiert den
null-Wert).
|
Siehe auch
- stristr() - Wie strstr, aber unabhängig von Groß- bzw. Kleinschreibung
- strstr() - Findet das erste Vorkommen eines Strings
- mb_stristr() - Finds first occurrence of a string within another, case insensitive
