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<?php function myCallback($key, $val) { var_dump("myCallback - key: $key, val: $val"); return $val * 2; } function foreachMap($callback, $givenArray) { $result = []; foreach ($givenArray as $key=>$val) { $result[$key] = $callback($key, $val); } return $result; } $values = array(4, 6, 3); $mapped = foreachMap('myCallback', $values); var_dump($mapped);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pmFlB
function name:  (null)
number of ops:  10
compiled vars:  !0 = $values, !1 = $mapped
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   ASSIGN                                                   !0, <array>
   18     1        INIT_FCALL                                               'foreachmap'
          2        SEND_VAL                                                 'myCallback'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $3      
          5        ASSIGN                                                   !1, $3
   19     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function mycallback:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pmFlB
function name:  myCallback
number of ops:  12
compiled vars:  !0 = $key, !1 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        INIT_FCALL                                               'var_dump'
          3        ROPE_INIT                                     4  ~3      'myCallback+-+key%3A+'
          4        ROPE_ADD                                      1  ~3      ~3, !0
          5        ROPE_ADD                                      2  ~3      ~3, '%2C+val%3A+'
          6        ROPE_END                                      3  ~2      ~3, !1
          7        SEND_VAL                                                 ~2
          8        DO_ICALL                                                 
    6     9        MUL                                              ~6      !1, 2
         10      > RETURN                                                   ~6
    7    11*     > RETURN                                                   null

End of function mycallback

Function foreachmap:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 13
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 13
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/pmFlB
function name:  foreachMap
number of ops:  16
compiled vars:  !0 = $callback, !1 = $givenArray, !2 = $result, !3 = $val, !4 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   10     2        ASSIGN                                                   !2, <array>
   11     3      > FE_RESET_R                                       $6      !1, ->13
          4    > > FE_FETCH_R                                       ~7      $6, !3, ->13
          5    >   ASSIGN                                                   !4, ~7
   12     6        INIT_DYNAMIC_CALL                                        !0
          7        SEND_VAR_EX                                              !4
          8        SEND_VAR_EX                                              !3
          9        DO_FCALL                                      0  $10     
         10        ASSIGN_DIM                                               !2, !4
         11        OP_DATA                                                  $10
   11    12      > JMP                                                      ->4
         13    >   FE_FREE                                                  $6
   14    14      > RETURN                                                   !2
   15    15*     > RETURN                                                   null

End of function foreachmap

Generated using Vulcan Logic Dumper, using php 8.0.0


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