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<?php $array = array( 3 => 2, 2 => 1, 1 => NULL, 4 => NULL, ); uasort($array, function ($a, $b) { if ($a === $b) { return 0; } elseif ($a === NULL) { return 1; } elseif ($b === NULL) { return -1; } return ($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/Y9r27
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>
   10     1        INIT_FCALL                                               'uasort'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FY9r27%3A10%240'
   22     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
   24     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FY9r27%3A10%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 13
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Y9r27
function name:  {closure}
number of ops:  20
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   11     2        IS_IDENTICAL                                             !0, !1
          3      > JMPZ                                                     ~2, ->6
   12     4    > > RETURN                                                   0
          5*       JMP                                                      ->13
   14     6    >   TYPE_CHECK                                    2          !0
          7      > JMPZ                                                     ~3, ->10
   15     8    > > RETURN                                                   1
          9*       JMP                                                      ->13
   17    10    >   TYPE_CHECK                                    2          !1
         11      > JMPZ                                                     ~4, ->13
   18    12    > > RETURN                                                   -1
   21    13    >   IS_SMALLER                                               !0, !1
         14      > JMPZ                                                     ~5, ->17
         15    >   QM_ASSIGN                                        ~6      -1
         16      > JMP                                                      ->18
         17    >   QM_ASSIGN                                        ~6      1
         18    > > RETURN                                                   ~6
   22    19*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FY9r27%3A10%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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