strtr() function in PHP

The strstr() is used to translate a character or replace substring.

Syntax

strstr(str, from, to)
or
strstr(str, arr)

str − The string to translate
from − The characters to change. A required parameter if array is not used.
to − The characters to change into. A required parameter if array is not used.
arr − Array containing what to change from as key, and what to change to as value

The strstr() function returns the translated string.

The following is an example −

<?php
   $mystr = "kom lan" ; 
   $str1 = "koml"; 
   $str2 = "tomh";
   echo strtr($mystr, $str1, $str2);
?>

tom han