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<?php $indexes = [ 'id_1_2_3_0' => 1, 'id_1_2_-0.25_0' => 2, 'id_1_2_1.75_0' => 3, 'id_1_2_-4_0' => 4, 'id_1_2_0_0' => 5, 'id_1_2_-1.25_0' => 6, ]; uksort($indexes, fn($a, $b) => explode('_', $a) <=> explode('_', $b)); var_export($indexes);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WGL15
function name:  (null)
number of ops:  10
compiled vars:  !0 = $indexes
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   12     1        INIT_FCALL                                               'uksort'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
   14     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/WGL15
function name:  {closure}
number of ops:  13
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        INIT_FCALL                                               'explode'
          3        SEND_VAL                                                 '_'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        INIT_FCALL                                               'explode'
          7        SEND_VAL                                                 '_'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $3      
         10        SPACESHIP                                        ~4      $2, $3
         11      > RETURN                                                   ~4
         12*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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