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<?php $x = null; $y = 4; $z = ((int) $y) ?: null; var_dump($z);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2oSTL
function name:  (null)
number of ops:  10
compiled vars:  !0 = $x, !1 = $y, !2 = $z
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    4     1        ASSIGN                                                   !1, 4
    6     2        CAST                                          4  ~5      !1
          3        JMP_SET                                          ~6      ~5, ->5
          4        QM_ASSIGN                                        ~6      null
          5        ASSIGN                                                   !2, ~6
    8     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !2
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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