(PHP 4 >= 4.0.6, PHP 5, PHP 7)
mb_strlen — Get string length
Gets the length of a string.
str
The string being checked for length.
encoding
The encoding
parameter is the character encoding. If it is omitted, the internal character
encoding value will be used.
Returns the number of characters in
string str
having character encoding
encoding
. A multi-byte character is
counted as 1.
Returns FALSE
if the given encoding
is invalid.
This function may
return Boolean FALSE
, but may also return a non-Boolean value which
evaluates to FALSE
. Please read the section on Booleans for more
information. Use the ===
operator for testing the return value of this
function.