strncmp() function in PHP

strncmp() function is used to compare the first n characters.

Note - This function is case sensitive.

Syntax

strncmp(str1, str2, len)

Parameters

• ##str1 − The first string

• str2 − The second string

• len − The number of characters used for comparison.

Return value

strncmp() function returns −

• 0 - If the two strings are equal

• >0 - if string1 is greater than string2

Example

The following is an example−

Live Demo

<?php
   echo strncmp("Demo text!","DEMO word!",4);
?>

Output

The following is the output−

8192

Example

Let’s see another example −

Real time demonstration

<?php
   $str1 = "TomHanks";
   $str2 = "tomhanks";
   print_r(strncmp($str1, $str2, 8));
?>

Output

The following is the output−

-32

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