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<?php $a = array(); $a['x'] = 1; if ( !empty($a['y'][0]) ) { echo 'not empty'; } else { echo 'empty'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Dkekn
function name:  (null)
number of ops:  11
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        FETCH_DIM_IS                                     ~3      !0, 'y'
          4        ISSET_ISEMPTY_DIM_OBJ                         1  ~4      ~3, 0
          5        BOOL_NOT                                         ~5      ~4
          6      > JMPZ                                                     ~5, ->9
    6     7    >   ECHO                                                     'not+empty'
          8      > JMP                                                      ->10
    8     9    >   ECHO                                                     'empty'
    9    10    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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