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<?php $data = ['_', '@', ...range(-10, 10), ...range('A', 'F'), ...range('a', 'f') ]; $negatives = []; $uppers = []; $integers = []; foreach ($data as $v) { $negatives[] = $v < 0; $uppers[] = ctype_upper((string) $v); $integers[] = is_int($v); } array_multisort( $negatives, SORT_DESC, $uppers, SORT_DESC, $integers, $data ); var_export($data);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 22, Position 2 = 36
Branch analysis from position: 22
2 jumps found. (Code = 78) Position 1 = 23, Position 2 = 36
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
Branch analysis from position: 36
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 36
filename:       /in/cdEUp
function name:  (null)
number of ops:  49
compiled vars:  !0 = $data, !1 = $negatives, !2 = $uppers, !3 = $integers, !4 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_ARRAY                                       ~5      '_'
          1        ADD_ARRAY_ELEMENT                                ~5      '%40'
          2        INIT_FCALL                                               'range'
          3        SEND_VAL                                                 -10
          4        SEND_VAL                                                 10
          5        DO_ICALL                                         $6      
          6        ADD_ARRAY_UNPACK                                 ~5      $6
          7        INIT_FCALL                                               'range'
          8        SEND_VAL                                                 'A'
          9        SEND_VAL                                                 'F'
         10        DO_ICALL                                         $7      
         11        ADD_ARRAY_UNPACK                                 ~5      $7
         12        INIT_FCALL                                               'range'
         13        SEND_VAL                                                 'a'
         14        SEND_VAL                                                 'f'
         15        DO_ICALL                                         $8      
         16        ADD_ARRAY_UNPACK                                 ~5      $8
         17        ASSIGN                                                   !0, ~5
    5    18        ASSIGN                                                   !1, <array>
    6    19        ASSIGN                                                   !2, <array>
    7    20        ASSIGN                                                   !3, <array>
    8    21      > FE_RESET_R                                       $13     !0, ->36
         22    > > FE_FETCH_R                                               $13, !4, ->36
    9    23    >   IS_SMALLER                                       ~15     !4, 0
         24        ASSIGN_DIM                                               !1
         25        OP_DATA                                                  ~15
   10    26        INIT_FCALL                                               'ctype_upper'
         27        CAST                                          6  ~17     !4
         28        SEND_VAL                                                 ~17
         29        DO_ICALL                                         $18     
         30        ASSIGN_DIM                                               !2
         31        OP_DATA                                                  $18
   11    32        TYPE_CHECK                                   16  ~20     !4
         33        ASSIGN_DIM                                               !3
         34        OP_DATA                                                  ~20
    8    35      > JMP                                                      ->22
         36    >   FE_FREE                                                  $13
   14    37        INIT_FCALL                                               'array_multisort'
   15    38        SEND_REF                                                 !1
   16    39        SEND_VAL                                                 3
   17    40        SEND_REF                                                 !2
   18    41        SEND_VAL                                                 3
   19    42        SEND_REF                                                 !3
   20    43        SEND_REF                                                 !0
   14    44        DO_ICALL                                                 
   22    45        INIT_FCALL                                               'var_export'
         46        SEND_VAR                                                 !0
         47        DO_ICALL                                                 
         48      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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