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<?php $a=null; if( !(is_null($a)|empty($a)) ) { echo "true"; } else { echo "false"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/thCf3
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    5     1        TYPE_CHECK                                    2  ~2      !0
          2        ISSET_ISEMPTY_CV                                 ~3      !0
          3        BW_OR                                            ~4      ~2, ~3
          4        BOOL_NOT                                         ~5      ~4
          5      > JMPZ                                                     ~5, ->8
    7     6    >   ECHO                                                     'true'
          7      > JMP                                                      ->9
   11     8    >   ECHO                                                     'false'
   12     9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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