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139.85 ms | 1399 KiB | 7 Q<?php
$obj = new stdClass;
$obj->{'123'} = '456';
print_r($obj);
echo $obj->{'123'},"\n";
echo $obj->{123},"\n";
$obj->{'a123'} = $obj{'123'};
print_r($obj);
echo $obj->a123,"\n";