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<?php $a = array(); $a['x'] = 1; if ( !empty($a['y']) ) { echo 'not empty'; } else { echo 'empty'; }
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/To7JZ
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN_DIM                                               !0, 'x'
          2        OP_DATA                                                  1
    5     3        ISSET_ISEMPTY_DIM_OBJ                         1  ~3      !0, 'y'
          4        BOOL_NOT                                         ~4      ~3
          5      > JMPZ                                                     ~4, ->8
    6     6    >   ECHO                                                     'not+empty'
          7      > JMP                                                      ->9
    8     8    >   ECHO                                                     'empty'
    9     9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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