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Binary safe string comparison of the first n characters

String Functions

strncmp

(PHP 4, PHP 5)

strncmp — Binary safe string comparison of the first n characters

Description

int strncmp ( string $str1 , string $str2 , int $len )

This function is similar to strcmp(), with the difference that you can specify the (upper limit of the) number of characters from each string to be used in the comparison.

Note that this comparison is case sensitive.

Parameters

str1: The first string.
str2: The second string.
len: Number of characters to use 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

strncasecmp() - Binary safe case-insensitive string comparison of the first n characters
preg_match() - Perform a regular expression match
substr_compare() - Binary safe comparison of two strings from an offset, up to length characters
strcmp() - Binary safe string comparison
strstr() - Find the first occurrence of a string
substr() - Return part of a string

String Functions