3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = [ [ "time" => 1494182396, "id" => "1" ], [ "time" => 1494182067, "id" => "2" ] ]; usort( $a, function( $a, $b ) { return $a["time"] <=> $b["time"]; } ); var_dump( ["aufsteigend" => $a] ); usort( $a, function( $a, $b ) { return ($a["time"] <=> $b["time"]) * -1; } ); var_dump( ["absteigend" => $a] );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nHtIO
function name:  (null)
number of ops:  20
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
   14     1        INIT_FCALL                                                   'usort'
          2        SEND_REF                                                     !0
          3        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          4        SEND_VAL                                                     ~2
          5        DO_ICALL                                                     
   15     6        INIT_FCALL                                                   'var_dump'
          7        INIT_ARRAY                                           ~4      !0, 'aufsteigend'
          8        SEND_VAL                                                     ~4
          9        DO_ICALL                                                     
   17    10        INIT_FCALL                                                   'usort'
         11        SEND_REF                                                     !0
         12        DECLARE_LAMBDA_FUNCTION                              ~6      [1]
         13        SEND_VAL                                                     ~6
         14        DO_ICALL                                                     
   18    15        INIT_FCALL                                                   'var_dump'
         16        INIT_ARRAY                                           ~8      !0, 'absteigend'
         17        SEND_VAL                                                     ~8
         18        DO_ICALL                                                     
         19      > 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/nHtIO
function name:  {closure:/in/nHtIO:14}
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   14     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        FETCH_DIM_R                                          ~2      !0, 'time'
          3        FETCH_DIM_R                                          ~3      !1, 'time'
          4        SPACESHIP                                            ~4      ~2, ~3
          5      > RETURN                                                       ~4
          6*     > RETURN                                                       null

End of Dynamic Function 0

Dynamic Function 1
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nHtIO
function name:  {closure:/in/nHtIO:17}
number of ops:  8
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, 'time'
          3        FETCH_DIM_R                                          ~3      !1, 'time'
          4        SPACESHIP                                            ~4      ~2, ~3
          5        MUL                                                  ~5      ~4, -1
          6      > RETURN                                                       ~5
          7*     > RETURN                                                       null

End of Dynamic Function 1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
166.8 ms | 2262 KiB | 15 Q