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PHP Quiz PHP CertificatePHP strncasecmp() Function
Example
Compare two strings (case-insensitive):
<?php
echo strncasecmp("Hello world!","hello earth!",6);
?>
echo strncasecmp("Hello world!","hello earth!",6);
?>
Run example »
Definition and Usage
The strncasecmp() function compares two strings.
Note: The strncasecmp() is binary-safe and case-insensitive.
Tip: This function is similar to the strcasecmp() function, except that strcasecmp() does not have the length parameter.
Syntax
strncasecmp(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-insensitive = Hello and hELLo will output the same):
<?php
echo strncasecmp("Hello","Hello",6);
echo "<br>";
echo strncasecmp("Hello","hELLo",6);
?>
echo strncasecmp("Hello","Hello",6);
echo "<br>";
echo strncasecmp("Hello","hELLo",6);
?>
Run example »
Complete PHP String Reference
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