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<?php $var = 5; is_null($var); $x = (null !== $var);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pbkdg
function name:  (null)
number of ops:  6
compiled vars:  !0 = $var, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    5     1        TYPE_CHECK                                    2  ~3      !0
          2        FREE                                                     ~3
    7     3        TYPE_CHECK                                  1020  ~4      !0
          4        ASSIGN                                                   !1, ~4
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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