Example
Compare two strings (case-sensitive):
html
<?php
echo strncmp("Hello world!","Hello earth!",6);
?>
Definition and Usage
The strncmp() function compares two strings.
Note: The strncmp() is binary-safe and case-sensitive.
Tip: This function is similar to the strcmp() function, except that strcmp() does not have the length parameter.
Syntax
text
strncmp(string1,string2,length)
Parameter Values
| Parameter | Description |
|---|---|
| string1 | Required. Specifies the first string to compare |
| string2 | Required. Specifies the second string to compare |
| length | Required. Specify the number of characters from each string to be used in the comparison |
Technical Details
| Return Value: | This function returns: 0 - if the two strings are equal <0 - if string1 is less than string2 >0 - if string1 is greater than string2 |
|---|---|
| PHP Version: | 4+ |
More Examples
Example
Compare two strings (case-sensitive = Hello and hELLo will not output the same):
html
<?php
echo strncmp("Hello","Hello",6);
echo "<br>";
echo strncmp("Hello","hELLo",6);
?>