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PHP Quiz PHP CertificatePHP strncmp() Function
Example
Compare two strings (case-sensitive):
<?php
echo strncmp("Hello world!","Hello earth!",6);
?>
echo strncmp("Hello world!","Hello earth!",6);
?>
Run example »
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
strncmp(string1,string2,length)
| 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:
|
|---|---|
| PHP Version: | 4+ |
More Examples
Example 1
Compare two strings (case-sensitive = Hello and hELLo will not output the same):
<?php
echo strncmp("Hello","Hello",6);
echo "<br>";
echo strncmp("Hello","hELLo",6);
?>
echo strncmp("Hello","Hello",6);
echo "<br>";
echo strncmp("Hello","hELLo",6);
?>
Run example »
Complete PHP String Reference
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