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<?php $path = null; $list = array('f1.txt', 'f2.txt', 'f3.txt', 'f4.txt'); $mapping = array_map(function($item) use ($path) { return $path ? $path . $item : $item; }, $list); var_dump($mapping);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ddJXt
function name:  (null)
number of ops:  13
compiled vars:  !0 = $path, !1 = $list, !2 = $mapping
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, null
    3     1        ASSIGN                                                   !1, <array>
    4     2        INIT_FCALL                                               'array_map'
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FddJXt%3A4%240'
          4        BIND_LEXICAL                                             ~5, !0
          5        SEND_VAL                                                 ~5
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                         $6      
          8        ASSIGN                                                   !2, $6
    5     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FddJXt%3A4%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ddJXt
function name:  {closure}
number of ops:  9
compiled vars:  !0 = $item, !1 = $path
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2      > JMPZ                                                     !1, ->6
          3    >   CONCAT                                           ~2      !1, !0
          4        QM_ASSIGN                                        ~3      ~2
          5      > JMP                                                      ->7
          6    >   QM_ASSIGN                                        ~3      !0
          7    > > RETURN                                                   ~3
          8*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FddJXt%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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