PHP | strncmp() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP strncmp() Function.

The built-in php strncmp() function is used to compare first n character. This function is similar to the PHP strcmp(), except that strcmp() function does not have the length parameter.

Note: This PHP function is binary-safe and case-sensitive.

syntax

Following below is the syntax to use this function -

int strncmp ( string $str1 , string $str2 , int $len )

READ: PHP | strncasecmp() Function

Parameter Details

Sr.No	Parameters & Description
1	string1 It specifies first string to search
2	string2 It specifies second string to search
3	length It specifies number of characters from each string to be used in the comparison

Return Value

This PHP function returns less < 0 if string1 is less than string2, > 0 if string1 is greater than string2, and 0 if they are equal.

Example

Try out the example below -

<?php
   echo strncmp("input","input",6);
   echo "<br>";
   
   echo strncmp("input","iMPut",6);
?>

Output

When the above code is executed, it will produce the following result -

0
8448

READ: PHP | strnatcmp() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about the PHP strpbrk() Function.

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