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<?php $first_name = '1'; $preferred_name = ''; echo $preferred_name ?? $first_name;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QZdDc
function name:  (null)
number of ops:  6
compiled vars:  !0 = $first_name, !1 = $preferred_name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '1'
    3     1        ASSIGN                                                   !1, ''
    4     2        COALESCE                                         ~4      !1
          3        QM_ASSIGN                                        ~4      !0
          4        ECHO                                                     ~4
    5     5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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