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<?php $array = array('a', 'b', 'c'); function nestArray($arr) { if(empty($arr)) { return array(); } return array(array_shift($arr) => $arr); } var_dump(nestArray($array));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MsBcJ
function name:  (null)
number of ops:  8
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   12     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'nestarray'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function nestarray:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MsBcJ
function name:  nestArray
number of ops:  10
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    5     1        ISSET_ISEMPTY_CV                                         !0
          2      > JMPZ                                                     ~1, ->4
    6     3    > > RETURN                                                   <array>
    9     4    >   INIT_FCALL                                               'array_shift'
          5        SEND_REF                                                 !0
          6        DO_ICALL                                         $2      
          7        INIT_ARRAY                                       ~3      !0, $2
          8      > RETURN                                                   ~3
   10     9*     > RETURN                                                   null

End of function nestarray

Generated using Vulcan Logic Dumper, using php 8.0.0


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