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<?php function sum($carry, $item) { echo $carry."==".$item.PHP_EOL; $carry += $item; return $carry; } $a = array(1, 2, 3, 4, 5); var_dump(array_reduce($a, "sum"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TvAv4
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, <array>
   11     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_reduce'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 'sum'
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function sum:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TvAv4
function name:  sum
number of ops:  9
compiled vars:  !0 = $carry, !1 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        CONCAT                                           ~2      !0, '%3D%3D'
          3        CONCAT                                           ~3      ~2, !1
          4        CONCAT                                           ~4      ~3, '%0A'
          5        ECHO                                                     ~4
    5     6        ASSIGN_OP                                     1          !0, !1
    6     7      > RETURN                                                   !0
    7     8*     > RETURN                                                   null

End of function sum

Generated using Vulcan Logic Dumper, using php 8.0.0


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