<?php $x; if ($x) print "hi" ; else print "how are u"; ?>
<?php $x = 0; if ($x++) print "hi"; else print "how are u"; ?>
<?php $x; if ($x == 0) print "hi" ; else print "how are u"; print "hello" ?>
<?php $x = 0; if ($x == 1) if ($x >= 0) print "true"; else print "false"; ?>
<?php $a = 1; if ($a--) print "True"; if ($a++) print "False"; ?>
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