encode data in php

<?php 
  
// Program to illustrate base64_encode() 
// function 
$str = 'GeeksforGeeks'; 
  
echo base64_encode($str); 
?> 

<?php 
  
// Program to illustrate base64_encode() 
// function 
$str = 'GFG, A computer Science Portal For Geeks'; 
echo base64_encode($str). "\n"; 
  
$str = ''; 
echo base64_encode($str). "\n"; 
  
$str = 1; 
echo base64_encode($str). "\n"; 
  
$str = '@#$'; 
echo base64_encode($str). "\n"; 
?> 

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