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<?php $array = [ ['array-5', 0], ['array-7', -.5], ['array-4', 0], ['array-1',-1], ['array-3', 2], ['array-6', .5], ['array-2', 3], ['array-8', -2] ]; usort( $array, fn($a, $b) => [$b[1] < 0, abs($b[1])] <=> [$a[1] < 0, abs($a[1])] ); var_export($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hmUVn
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   14     1        INIT_FCALL                                               'usort'
   15     2        SEND_REF                                                 !0
   16     3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
   19     4        SEND_VAL                                                 ~2
   14     5        DO_ICALL                                                 
   20     6        INIT_FCALL                                               'var_export'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > 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/hmUVn
function name:  {closure}
number of ops:  21
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        FETCH_DIM_R                                      ~2      !1, 1
          3        IS_SMALLER                                       ~3      ~2, 0
          4        INIT_ARRAY                                       ~4      ~3
          5        INIT_FCALL                                               'abs'
          6        FETCH_DIM_R                                      ~5      !1, 1
          7        SEND_VAL                                                 ~5
          8        DO_ICALL                                         $6      
          9        ADD_ARRAY_ELEMENT                                ~4      $6
   18    10        FETCH_DIM_R                                      ~7      !0, 1
         11        IS_SMALLER                                       ~8      ~7, 0
         12        INIT_ARRAY                                       ~9      ~8
         13        INIT_FCALL                                               'abs'
         14        FETCH_DIM_R                                      ~10     !0, 1
         15        SEND_VAL                                                 ~10
         16        DO_ICALL                                         $11     
         17        ADD_ARRAY_ELEMENT                                ~9      $11
         18        SPACESHIP                                        ~12     ~4, ~9
         19      > RETURN                                                   ~12
   19    20*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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