$VAR1 = "\x{1f600}";
128512
GRINNING FACE

##</code><code>##

240
LATIN SMALL LETTER ETH
$VAR1 = '&#65533;';
159
APPLICATION PROGRAM COMMAND
$VAR1 = '&#65533;';
152
START OF STRING
$VAR1 = '&#65533;';
128
PADDING CHARACTER