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<?php function cmp($a, $b) { if ($a == $b) { return 0; } try { throw new Exception(); } catch (Exception $E) { } return ($a < $b) ? -1 : 1; } $a = array(3, 2, 5, 6, 1); usort($a, "cmp");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8NnXd
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   18     0  E >   ASSIGN                                                       !0, <array>
   20     1        INIT_FCALL                                                   'usort'
          2        SEND_REF                                                     !0
          3        SEND_VAL                                                     'cmp'
          4        DO_ICALL                                                     
          5      > RETURN                                                       1

Function cmp:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 108) Position 1 = -2
Found catch point at position: 9
Branch analysis from position: 9
2 jumps found. (Code = 107) Position 1 = 10, Position 2 = -2
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8NnXd
function name:  cmp
number of ops:  17
compiled vars:  !0 = $a, !1 = $b, !2 = $E
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
    5     2        IS_EQUAL                                                     !0, !1
          3      > JMPZ                                                         ~3, ->5
    6     4    > > RETURN                                                       0
   10     5    >   NEW                                                  $4      'Exception'
          6        DO_FCALL                                          0          
          7      > THROW                                             0          $4
          8*       JMP                                                          ->10
   11     9  E > > CATCH                                           last         'Exception'
   15    10    >   IS_SMALLER                                                   !0, !1
         11      > JMPZ                                                         ~6, ->14
         12    >   QM_ASSIGN                                            ~7      -1
         13      > JMP                                                          ->15
         14    >   QM_ASSIGN                                            ~7      1
         15    > > RETURN                                                       ~7
   16    16*     > RETURN                                                       null

End of function cmp

Generated using Vulcan Logic Dumper, using php 8.5.0


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