php strnatcmp() function

String comparison function; comparison function; string comparison

php strnatcmp() function syntax

Function:Natural order method to compare strings

Syntax:strnatcmp(string1,string2)

Parameters ：

Description: Thestrnatcmp() function uses a "natural" algorithm to compare two strings. In natural arithmetic, the number 2 is less than the number 10. In computer sorting, 10 is less than 2 because the first number in 10 is less than 2. Note that this function is case-sensitive. If the two strings are equal, 0 is returned. If string1 is greater than string2, the returned value is greater than 0. If string1 is less than string2, the returned value is less than 0.

php strnatcmp() function example

"; echo strnatcmp("01hello world!","2hello world!"); ?>

Output:

1 -1