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PHP加密 JS解密

<?php 
// Javascript/HTML hex encode 
function encode($input) 
{ 
    $temp = ''; 
    $length = strlen($input); 
    for($i = 0; $i < $length; $i++) 
        $temp .= '%' . bin2hex($input[$i]); 
    return $temp; 
} 
$str = encode('This is some sample text.'); 
?>

<script language="javascript"> 
document.write( unescape( '<?php echo $str; ?>' ) ); 
</script>

<script type="text/javascript"> 
document.write( unescape( '%54%68%69%73%20%69%73%20%73%6f%6d%65%20%73%61%6d%70%6c%65%20%74%65%78%74%2e' ) ); 
</script>

<?php

// Javascript/HTML hex encode

function encode($input)

{

$temp = '';

$length = strlen($input);

for($i = 0; $i < $length; $i++)

$temp .= '%' . bin2hex($input[$i]);

return $temp;

}

$str = encode('This is some sample text.');

document.write( unescape( '<?php echo $str; ?>' ) );

</script>

document.write( unescape( '%54%68%69%73%20%69%73%20%73%6f%6d%65%20%73%61%6d%70%6c%65%20%74%65%78%74%2e' ) );

</script>

输出 This is some sample […]

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