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<?php $var =''; if(!$var[0]){ echo 'var is empty'; } echo '<hr/>';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
filename:       /in/5ulVA
function name:  (null)
number of ops:  7
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, ''
    4     1        FETCH_DIM_R                                      ~2      !0, 0
          2        BOOL_NOT                                         ~3      ~2
          3      > JMPZ                                                     ~3, ->5
    5     4    >   ECHO                                                     'var+is+empty'
    8     5    >   ECHO                                                     '%3Chr%2F%3E'
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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