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<?php $data = ['_', '@', ...range(-10, 10), ...range('A', 'F'), ...range('a', 'f') ]; usort( $data, fn($a, $b) => ($b < 0 <=> $a < 0) // prioritize negatives ?: (is_int($a) <=> is_int($b)) // deprioritize integers ?: (ltrim($a, 'A..Z') <=> ltrim($b, 'A..Z')) // prioritize uppercase letters ?: ($a <=> $b) // sort normally ); var_export($data);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zg7Zt
function name:  (null)
number of ops:  27
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_ARRAY                                       ~1      '_'
          1        ADD_ARRAY_ELEMENT                                ~1      '%40'
          2        INIT_FCALL                                               'range'
          3        SEND_VAL                                                 -10
          4        SEND_VAL                                                 10
          5        DO_ICALL                                         $2      
          6        ADD_ARRAY_UNPACK                                 ~1      $2
          7        INIT_FCALL                                               'range'
          8        SEND_VAL                                                 'A'
          9        SEND_VAL                                                 'F'
         10        DO_ICALL                                         $3      
         11        ADD_ARRAY_UNPACK                                 ~1      $3
         12        INIT_FCALL                                               'range'
         13        SEND_VAL                                                 'a'
         14        SEND_VAL                                                 'f'
         15        DO_ICALL                                         $4      
         16        ADD_ARRAY_UNPACK                                 ~1      $4
         17        ASSIGN                                                   !0, ~1
    5    18        INIT_FCALL                                               'usort'
    6    19        SEND_REF                                                 !0
    7    20        DECLARE_LAMBDA_FUNCTION                          ~6      [0]
   11    21        SEND_VAL                                                 ~6
    5    22        DO_ICALL                                                 
   12    23        INIT_FCALL                                               'var_export'
         24        SEND_VAR                                                 !0
         25        DO_ICALL                                                 
         26      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zg7Zt
function name:  {closure}
number of ops:  26
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        IS_SMALLER                                       ~2      !1, 0
          3        IS_SMALLER                                       ~3      !0, 0
          4        SPACESHIP                                        ~4      ~2, ~3
          5        JMP_SET                                          ~5      ~4, ->10
    8     6        TYPE_CHECK                                   16  ~6      !0
          7        TYPE_CHECK                                   16  ~7      !1
          8        SPACESHIP                                        ~8      ~6, ~7
          9        QM_ASSIGN                                        ~5      ~8
         10        JMP_SET                                          ~9      ~5, ->21
    9    11        INIT_FCALL                                               'ltrim'
         12        SEND_VAR                                                 !0
         13        SEND_VAL                                                 'A..Z'
         14        DO_ICALL                                         $10     
         15        INIT_FCALL                                               'ltrim'
         16        SEND_VAR                                                 !1
         17        SEND_VAL                                                 'A..Z'
         18        DO_ICALL                                         $11     
         19        SPACESHIP                                        ~12     $10, $11
         20        QM_ASSIGN                                        ~9      ~12
         21        JMP_SET                                          ~13     ~9, ->24
   10    22        SPACESHIP                                        ~14     !0, !1
         23        QM_ASSIGN                                        ~13     ~14
         24      > RETURN                                                   ~13
   11    25*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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