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<?php $t = ""; if (empty($t)) { $t = 1; } echo $t;
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
Jump found. Position 1 = -2
Branch analysis from position: 4
filename:       /in/Jv2g3
function name:  (null)
number of ops:  6
compiled vars:  !0 = $t
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   ASSIGN                                                   !0, ''
   5     1        ISSET_ISEMPTY_VAR                           293601280  ~2      !0
         2      > JMPZ                                                     ~2, ->4
   6     3    >   ASSIGN                                                   !0, 1
   9     4    >   ECHO                                                     !0
         5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0