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<?php $foo = function () { return [['a'], ['b'], ['c']]; }; $bar = function () { return [['a'], ['b'], ['c']]; }; var_dump(array_merge( ...$foo(), ...$bar() ));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vu0b8
function name:  (null)
number of ops:  17
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fvu0b8%3A3%240'
          1        ASSIGN                                                   !0, ~2
    4     2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fvu0b8%3A4%241'
          3        ASSIGN                                                   !1, ~4
    6     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'array_merge'
    7     6        INIT_DYNAMIC_CALL                                        !0
          7        DO_FCALL                                      0  $6      
          8        SEND_UNPACK                                              $6
    8     9        INIT_DYNAMIC_CALL                                        !1
         10        DO_FCALL                                      0  $7      
         11        SEND_UNPACK                                              $7
         12        CHECK_UNDEF_ARGS                                         
         13        DO_ICALL                                         $8      
         14        SEND_VAR                                                 $8
         15        DO_ICALL                                                 
    9    16      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fvu0b8%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vu0b8
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > RETURN                                                   <array>
          1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fvu0b8%3A3%240

Function %00%7Bclosure%7D%2Fin%2Fvu0b8%3A4%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vu0b8
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                   <array>
          1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fvu0b8%3A4%241

Generated using Vulcan Logic Dumper, using php 8.0.0


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174.72 ms | 1396 KiB | 17 Q