mb-strstr
mb_strstr
Finds first occurrence of a string within another
ENTITY
string
false
mb_strstr
string
haystack
string
needle
bool
before_needle
ENTITY
string
null
encoding
ENTITY
mb_strstr finds the first occurrence of needle in haystack and returns the portion of haystack. If needle is not found, it returns ENTITY.
ENTITY
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 to ENTITY, it returns all of haystack from the beginning to the first occurrence of needle (excluding needle). If set to ENTITY, it returns all of haystack from the first occurrence of needle to the end (including needle).
encoding
ENTITY
ENTITY
Returns the portion of haystack, or ENTITY if needle is not found.
ENTITY ENTITY
ENTITY
| ENTITY | ENTITY |
|---|---|
| 8.3.2 | On invalid strings (those with encoding errors) and on SJIS-mac (MacJapanese) strings, the portion of haystack returned when before_needle is ENTITY is now determined from the same character indices as the other mbstring functions. |
ENTITY
stristr, strstr, mb_stristr
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