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<?php $b = 123; $a = array(&$b, 1,4,3); uasort($a, function($a, $b) { $b - $a; }); var_dump($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cPaF3
function name:  (null)
number of ops:  15
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 123
    4     1        INIT_ARRAY                                       ~3      !0
          2        ADD_ARRAY_ELEMENT                                ~3      1
          3        ADD_ARRAY_ELEMENT                                ~3      4
          4        ADD_ARRAY_ELEMENT                                ~3      3
          5        ASSIGN                                                   !1, ~3
    5     6        INIT_FCALL                                               'uasort'
          7        SEND_REF                                                 !1
          8        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FcPaF3%3A5%240'
    7     9        SEND_VAL                                                 ~5
         10        DO_ICALL                                                 
    9    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FcPaF3%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cPaF3
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    6     2        SUB                                              ~2      !1, !0
          3        FREE                                                     ~2
    7     4      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FcPaF3%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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