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<?php function square(array $data): array { return array_map(function($d) { return $d ** 2; }, $data); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HtZB9
function name:  (null)
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E > > RETURN                                                   1

Function square:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HtZB9
function name:  square
number of ops:  10
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        INIT_FCALL                                               'array_map'
          2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FHtZB9%3A5%240'
    7     3        SEND_VAL                                                 ~1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        VERIFY_RETURN_TYPE                                       $2
          7      > RETURN                                                   $2
    8     8*       VERIFY_RETURN_TYPE                                       
          9*     > RETURN                                                   null

End of function square

Function %00%7Bclosure%7D%2Fin%2FHtZB9%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HtZB9
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        POW                                              ~1      !0, 2
          2      > RETURN                                                   ~1
    7     3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FHtZB9%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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