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<?php $array = [ 'a' => 'food', 'b' => 'foo', 'c' => 'goo', 'd' => 'foo', 'e' => 'good' ]; $needle = 'foo'; $newValue = 'bar'; var_export( array_map(fn($v) => $v === $needle ? $newValue : $v, $array) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qOi1t
function name:  (null)
number of ops:  14
compiled vars:  !0 = $array, !1 = $needle, !2 = $newValue
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   11     1        ASSIGN                                                   !1, 'foo'
   12     2        ASSIGN                                                   !2, 'bar'
   14     3        INIT_FCALL                                               'var_export'
   15     4        INIT_FCALL                                               'array_map'
          5        DECLARE_LAMBDA_FUNCTION                          ~6      [0]
          6        BIND_LEXICAL                                             ~6, !1
          7        BIND_LEXICAL                                             ~6, !2
          8        SEND_VAL                                                 ~6
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                         $7      
         11        SEND_VAR                                                 $7
   14    12        DO_ICALL                                                 
   16    13      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qOi1t
function name:  {closure}
number of ops:  10
compiled vars:  !0 = $v, !1 = $needle, !2 = $newValue
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2        BIND_STATIC                                              !2
          3        IS_IDENTICAL                                             !0, !1
          4      > JMPZ                                                     ~3, ->7
          5    >   QM_ASSIGN                                        ~4      !2
          6      > JMP                                                      ->8
          7    >   QM_ASSIGN                                        ~4      !0
          8    > > RETURN                                                   ~4
          9*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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