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<?php $items=[3,7,2,9,2,3,8]; $c = function($a, $b) { return $a <=> $b; }; uasort($items, $c); print_r($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bL6mI
function name:  (null)
number of ops:  11
compiled vars:  !0 = $items, !1 = $c, !2 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FbL6mI%3A4%240'
          2        ASSIGN                                                   !1, ~4
    7     3        INIT_FCALL                                               'uasort'
          4        SEND_REF                                                 !0
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                                 
    8     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FbL6mI%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bL6mI
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        SPACESHIP                                        ~2      !0, !1
          3      > RETURN                                                   ~2
    6     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FbL6mI%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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