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@ 2017-07-13T03:16:17Z

<?php
$data = array( "showpassword"=>"no", "bgcolor"=>"#ffffff");

$key = 'qw8J';

$text = json_encode($data);

$outText = '';
 
for($i=0;$i<strlen($text);$i++) {
    $outText .= $text[$i] ^ $key[$i % strlen($key)];
} 
    
echo base64_encode($outText);

Output
Performance
VLD
References
Branches

base64_encode: documentation ( source)
json_encode: documentation ( source)

preferences:dark modelive preview

44.21 ms | 402 KiB | 5 Q