# strncasecmp

(PHP 4 >= 4.0.2, PHP 5)

strncasecmp — Binary safe case-insensitive string comparison of the first n characters

### Description

int strncasecmp ( string `$str1` , string `$str2` , int `$len` )

This 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.

### Parameters

`str1`

  The first string.

`str2`

  The second string.

`len`

  The length of strings to be used in the comparison.

### Return Values

Returns < 0 if `str1` is less than `str2` ; > 0 if `str1` is greater than `str2` , and 0 if they are equal.

### See Also

- preg_match()
- strcmp()
- strcasecmp()
- substr()
- stristr()
- strstr()