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<?php function cmp( $a, $b ) { if( $a->weight == $b->weight ){ return 0 ; } return ($a->weight < $b->weight) ? -1 : 1; } $unsortedObjectArray = [1,3,5,77,37,523,243,546,14,3,4,6,5]; usort($unsortedObjectArray,'cmp');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aZ1Lk
function name:  (null)
number of ops:  6
compiled vars:  !0 = $unsortedObjectArray
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ASSIGN                                                   !0, <array>
    7     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 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aZ1Lk
function name:  cmp
number of ops:  16
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    3     2        FETCH_OBJ_R                                      ~2      !0, 'weight'
          3        FETCH_OBJ_R                                      ~3      !1, 'weight'
          4        IS_EQUAL                                                 ~2, ~3
          5      > JMPZ                                                     ~4, ->7
          6    > > RETURN                                                   0
    4     7    >   FETCH_OBJ_R                                      ~5      !0, 'weight'
          8        FETCH_OBJ_R                                      ~6      !1, 'weight'
          9        IS_SMALLER                                               ~5, ~6
         10      > JMPZ                                                     ~7, ->13
         11    >   QM_ASSIGN                                        ~8      -1
         12      > JMP                                                      ->14
         13    >   QM_ASSIGN                                        ~8      1
         14    > > RETURN                                                   ~8
    5    15*     > RETURN                                                   null

End of function cmp

Generated using Vulcan Logic Dumper, using php 8.0.0


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