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<?php $a = [1 => 0]; var_dump((bool) array_filter($a, function($num) {return !!$num;}));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fi5Hu
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_filter'
          3        SEND_VAR                                                 !0
          4        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Ffi5Hu%3A4%240'
          5        SEND_VAL                                                 ~2
          6        DO_ICALL                                         $3      
          7        BOOL                                             ~4      $3
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Ffi5Hu%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fi5Hu
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $num
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E >   RECV                                             !0      
          1        BOOL_NOT                                         ~1      !0
          2        BOOL_NOT                                         ~2      ~1
          3      > RETURN                                                   ~2
          4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Ffi5Hu%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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