Closure function example

<?php

// your code goes here
     class Example {
       private $search;
 
       public function __construct ($search) {
         $this->search = $search;
       }
 
       public function setSearch ($search) {
         $this->search = $search;
       }
 
       public function getReplacer ($replacement) {
           echo "\n";
           echo "im inside getReplacer: ". $replacement;
         return function ($text) use ($replacement) {
             echo "\n";
             echo "text: " . $text;
             echo "\n";
           return str_replace ($this->search, $replacement, $text);
         };
       }
     }
 
     $example = new Example ('hello');
     $replacer = $example->getReplacer ('goodbye');
     //print_r( $replacer );
     echo "\n";
     echo $replacer ('hello world'); // goodbye world
     $example->setSearch ('world');
     echo "\n";
     echo $replacer ('hello world'); // hello goodbye
     
     $replacer = $example->getReplacer ('pradeep');