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<?php $array = array('a' => 'Hello', 'b' => 'World'); array_walk($array, 'adda'); function adda(&$value, &$key) { $key = "a".$key; } var_dump($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b8gAJ
function name:  (null)
number of ops:  9
compiled vars:  !0 = $array
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        INIT_FCALL                                                   'array_walk'
          2        SEND_REF                                                     !0
          3        SEND_VAL                                                     'adda'
          4        DO_ICALL                                                     
    9     5        INIT_FCALL                                                   'var_dump'
          6        SEND_VAR                                                     !0
          7        DO_ICALL                                                     
          8      > RETURN                                                       1

Function adda:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b8gAJ
function name:  adda
number of ops:  5
compiled vars:  !0 = $value, !1 = $key
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
    7     2        CONCAT                                               ~2      'a', !1
          3        ASSIGN                                                       !1, ~2
    8     4      > RETURN                                                       null

End of function adda

Generated using Vulcan Logic Dumper, using php 8.5.0


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