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<?php function cmp($a, $b) { return $b - $a; } $a = array(3, 2, 5, 6, 1); usort($a, "cmp"); foreach ($a as $key => $value) { echo "$key: $value\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 14
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 14
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/AUmFT
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $value, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'cmp'
          4        DO_ICALL                                                 
   12     5      > FE_RESET_R                                       $5      !0, ->14
          6    > > FE_FETCH_R                                       ~6      $5, !1, ->14
          7    >   ASSIGN                                                   !2, ~6
   13     8        ROPE_INIT                                     4  ~9      !2
          9        ROPE_ADD                                      1  ~9      ~9, '%3A+'
         10        ROPE_ADD                                      2  ~9      ~9, !1
         11        ROPE_END                                      3  ~8      ~9, '%0A'
         12        ECHO                                                     ~8
   12    13      > JMP                                                      ->6
         14    >   FE_FREE                                                  $5
   14    15      > RETURN                                                   1

Function cmp:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AUmFT
function name:  cmp
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        SUB                                              ~2      !1, !0
          3      > RETURN                                                   ~2
    6     4*     > RETURN                                                   null

End of function cmp

Generated using Vulcan Logic Dumper, using php 8.0.0


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