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<?php $arr = [ ['p' => 0.0003], ['p' => 0.042] ]; usort($arr, function($a,$b){ return $a['p']<$b['p']; }); var_dump($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XYMks
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FXYMks%3A5%240'
    7     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
    9     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FXYMks%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XYMks
function name:  {closure}
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    6     2        FETCH_DIM_R                                      ~2      !0, 'p'
          3        FETCH_DIM_R                                      ~3      !1, 'p'
          4        IS_SMALLER                                       ~4      ~2, ~3
          5      > RETURN                                                   ~4
    7     6*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FXYMks%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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