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<?php $test = [ 'a' => [], 'b' => ['total' => ['column' => '1']], 'c' => ['total' => ['column' => '2']], ]; var_dump(array_filter($test, function($v){ return isset($v['total'], $v['total']['column']); }));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tHHo6
function name:  (null)
number of ops:  10
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_filter'
          3        SEND_VAR                                                 !0
          4        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FtHHo6%3A9%240'
   11     5        SEND_VAL                                                 ~2
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FtHHo6%3A9%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/tHHo6
function name:  {closure}
number of ops:  8
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
   10     1        ISSET_ISEMPTY_DIM_OBJ                         0  ~1      !0, 'total'
          2      > JMPZ_EX                                          ~1      ~1, ->6
          3    >   FETCH_DIM_IS                                     ~2      !0, 'total'
          4        ISSET_ISEMPTY_DIM_OBJ                         0  ~3      ~2, 'column'
          5        BOOL                                             ~1      ~3
          6    > > RETURN                                                   ~1
   11     7*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FtHHo6%3A9%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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179.22 ms | 1395 KiB | 17 Q