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<?php $array = [ ['id' => 7867867, 'title' => 'Some Title'], ['id' => 3452342, 'title' => 'Some Title'], ['id' => 'foo', 'title' => 'Some Title'], ['id' => 1231233, 'title' => 'Some Title'], ['id' => 'bar', 'title' => 'Some Title'], ['id' => 5867867, 'title' => 'Some Title'] ]; // restructure with values as keys, and keys as order (ASC) $order = array_flip([3452342, 5867867, 7867867, 1231233]); // generating $order = [3452342 => 0, 5867867 => 1, 7867867 => 2, 1231233 => 3]; $default = count($order); // generating $default = 4 usort( $array, fn($a, $b) => ($order[$a['id']] ?? $default) <=> ($order[$b['id']] ?? $default) ); var_export($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8sKOL
function name:  (null)
number of ops:  18
compiled vars:  !0 = $array, !1 = $order, !2 = $default
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   13     1        INIT_FCALL                                               'array_flip'
          2        SEND_VAL                                                 <array>
          3        DO_ICALL                                         $4      
          4        ASSIGN                                                   !1, $4
   16     5        COUNT                                            ~6      !1
          6        ASSIGN                                                   !2, ~6
   19     7        INIT_FCALL                                               'usort'
   20     8        SEND_REF                                                 !0
   21     9        DECLARE_LAMBDA_FUNCTION                          ~8      [0]
         10        BIND_LEXICAL                                             ~8, !1
         11        BIND_LEXICAL                                             ~8, !2
   22    12        SEND_VAL                                                 ~8
   19    13        DO_ICALL                                                 
   24    14        INIT_FCALL                                               'var_export'
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
         17      > 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/8sKOL
function name:  {closure}
number of ops:  15
compiled vars:  !0 = $a, !1 = $b, !2 = $order, !3 = $default
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        BIND_STATIC                                              !2
          3        BIND_STATIC                                              !3
          4        FETCH_DIM_R                                      ~4      !0, 'id'
          5        FETCH_DIM_IS                                     ~5      !2, ~4
          6        COALESCE                                         ~6      ~5
          7        QM_ASSIGN                                        ~6      !3
          8        FETCH_DIM_R                                      ~7      !1, 'id'
          9        FETCH_DIM_IS                                     ~8      !2, ~7
         10        COALESCE                                         ~9      ~8
         11        QM_ASSIGN                                        ~9      !3
         12        SPACESHIP                                        ~10     ~6, ~9
         13      > RETURN                                                   ~10
   22    14*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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