The strcmp() function is used to compare two strings.
Note − This function is case-sensitive.
Syntax
strcmp(str1, str2)
Parameters
str1 − First string to compare
str2 − Second string to compare
Return
The strcmp() function returns −
0 - if the two strings are equal
<0 - if string1 is less than string2
>0 - if string1 is greater than string2
Example
The following is an example −
<?php
echo strcmp("windows","Windows");
?>Output
The following is the output −
32
Example
Let us see another example −
<?php
echo strcmp("Windows OS","Windows Operating System");
?>Output
The following is the output −
-7424