strcspn
Description
int strcspn ( string str1, string str2 [, int start [, int length]] )
Returns the length of the initial segment of
str1
which does not
contain any of the characters in str2
.
As of PHP 4.3.0, strcspn() accepts two optional
integer parameters that can be used to define the
start
position and the
length
of the string to examine.
Notatka: Ta funkcja jest bezpieczna dla danych binarnych.
See also strspn().