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<?php $array = array( array('name' => 'Array 1', 'distance' => 3.4), array('name' => 'Array 2', 'distance' => 2.4), array('name' => 'Array 3', 'distance' => false), array('name' => 'Array 4', 'distance' => 5.4), array('name' => 'Array 5', 'distance' => false), array('name' => 'Array 6', 'distance' => 1), array('name' => 'Array 7', 'distance' => false), array('name' => 'Array 8', 'distance' => false), array('name' => 'Array 9', 'distance' => 3.6), ); usort( $array, fn($a, $b) => [$a['distance'] === false, $a['distance']] <=> [$b['distance'] === false, $b['distance']] ); var_export($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dGMNj
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>
   15     1        INIT_FCALL                                               'usort'
   16     2        SEND_REF                                                 !0
   17     3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
   18     4        SEND_VAL                                                 ~2
   15     5        DO_ICALL                                                 
   19     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/dGMNj
function name:  {closure}
number of ops:  15
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        FETCH_DIM_R                                      ~2      !0, 'distance'
          3        TYPE_CHECK                                    4  ~3      ~2
          4        INIT_ARRAY                                       ~4      ~3
          5        FETCH_DIM_R                                      ~5      !0, 'distance'
          6        ADD_ARRAY_ELEMENT                                ~4      ~5
          7        FETCH_DIM_R                                      ~6      !1, 'distance'
          8        TYPE_CHECK                                    4  ~7      ~6
          9        INIT_ARRAY                                       ~8      ~7
         10        FETCH_DIM_R                                      ~9      !1, 'distance'
         11        ADD_ARRAY_ELEMENT                                ~8      ~9
         12        SPACESHIP                                        ~10     ~4, ~8
         13      > RETURN                                                   ~10
   18    14*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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