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<?php $array1 = [ [536870914 => 34213897], [536870914 => 34213905], [536870915 => 34213921], [536870914 => 34213913], [536870915 => 34213929], [536870917 => 34213937], [536870925 => 34218049], ]; $array2 = [ 536870925, 536870914, 536870915, 536870917, ]; $array2 = array_flip($array2); usort($array1, function($a, $b) use ($array2) { return $array2[key($a)] <=> $array2[key($b)]; }); var_export($array1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IvkY0
function name:  (null)
number of ops:  16
compiled vars:  !0 = $array1, !1 = $array2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   12     1        ASSIGN                                                   !1, <array>
   19     2        INIT_FCALL                                               'array_flip'
          3        SEND_VAR                                                 !1
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !1, $4
   21     6        INIT_FCALL                                               'usort'
          7        SEND_REF                                                 !0
          8        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FIvkY0%3A21%240'
          9        BIND_LEXICAL                                             ~6, !1
   23    10        SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
   25    12        INIT_FCALL                                               'var_export'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FIvkY0%3A21%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IvkY0
function name:  {closure}
number of ops:  14
compiled vars:  !0 = $a, !1 = $b, !2 = $array2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        BIND_STATIC                                              !2
   22     3        INIT_FCALL                                               'key'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        FETCH_DIM_R                                      ~4      !2, $3
          7        INIT_FCALL                                               'key'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $5      
         10        FETCH_DIM_R                                      ~6      !2, $5
         11        SPACESHIP                                        ~7      ~4, ~6
         12      > RETURN                                                   ~7
   23    13*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FIvkY0%3A21%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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