(PHP 4 >= 4.0.2, PHP 5, PHP 7)
strncasecmp — Binary safe case-insensitive string comparison of the first n characters
$str1
, string $str2
, int $len
) : intThis function is similar to strcasecmp(), with the difference that you can specify the (upper limit of the) number of characters from each string to be used in the comparison.
str1The first string.
str2The second string.
lenThe length of strings to be used in the comparison.
Returns < 0 if str1 is less than
str2; > 0 if str1 is
greater than str2, and 0 if they are equal.