3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array( array ( 'excluded_by_default' => false, 'name' => 'Erik1' ), array ( 'excluded_by_default' => true, 'name' => 'Erik2' ), array ( 'excluded_by_default' => false, 'name' => 'Erik3' ) ); //Sort by excluded by default. function cmp($a, $b) { $test = $a['excluded_by_default'] == $b['excluded_by_default'] ? 1 : -1; var_dump($test) ; return $a['excluded_by_default'] == $b['excluded_by_default'] ? -1 : 1; } usort($list, "cmp"); var_dump($list);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I54Gr
function name:  (null)
number of ops:  9
compiled vars:  !0 = $list
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   25     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'cmp'
          4        DO_ICALL                                                 
   27     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function cmp:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
Branch analysis from position: 19
filename:       /in/I54Gr
function name:  cmp
number of ops:  22
compiled vars:  !0 = $a, !1 = $b, !2 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   20     2        FETCH_DIM_R                                      ~3      !0, 'excluded_by_default'
          3        FETCH_DIM_R                                      ~4      !1, 'excluded_by_default'
          4        IS_EQUAL                                                 ~3, ~4
          5      > JMPZ                                                     ~5, ->8
          6    >   QM_ASSIGN                                        ~6      1
          7      > JMP                                                      ->9
          8    >   QM_ASSIGN                                        ~6      -1
          9    >   ASSIGN                                                   !2, ~6
   21    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !2
         12        DO_ICALL                                                 
   22    13        FETCH_DIM_R                                      ~9      !0, 'excluded_by_default'
         14        FETCH_DIM_R                                      ~10     !1, 'excluded_by_default'
         15        IS_EQUAL                                                 ~9, ~10
         16      > JMPZ                                                     ~11, ->19
         17    >   QM_ASSIGN                                        ~12     -1
         18      > JMP                                                      ->20
         19    >   QM_ASSIGN                                        ~12     1
         20    > > RETURN                                                   ~12
   23    21*     > RETURN                                                   null

End of function cmp

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.16 ms | 1388 KiB | 17 Q