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<?php $array = array( array('status' => 4), array('status' => 2), array('status' => 4), array('status' => 2), array('status' => 1), array('status' => 3) ); usort($array, function($a, $b) { if ($a == $b) { return 0; } return ($a < $b) ? -1 : 1; }); var_dump($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EB9pZ
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>
   12     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FEB9pZ%3A12%240'
   17     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
   20     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FEB9pZ%3A12%240:
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
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EB9pZ
function name:  {closure}
number of ops:  12
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   13     2        IS_EQUAL                                                 !0, !1
          3      > JMPZ                                                     ~2, ->5
   14     4    > > RETURN                                                   0
   16     5    >   IS_SMALLER                                               !0, !1
          6      > JMPZ                                                     ~3, ->9
          7    >   QM_ASSIGN                                        ~4      -1
          8      > JMP                                                      ->10
          9    >   QM_ASSIGN                                        ~4      1
         10    > > RETURN                                                   ~4
   17    11*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FEB9pZ%3A12%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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