3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ "A - 1.0 - Title Page.PDF", "A - 2.2 - Enlarged Floor Plans", "A - 2.1.0 - Structural Details.PDF", "E - 1.0 - Electrical Title Page.PDF", "A - 1.2 - Floor Plan.PDF", "P - 1.0 - Plumbing Title Page2.PDF", "A - 2.1.1 - Structural Details.PDF", "C - 1.0 - Civil Title Page.PDF", "M - 1.0 - Mechanical Title Page.PDF", "ESC - 1.0 - Erosion Control Plan.PDF", "P - 1.0 - Plumbing Title Page.PDF", ]; $priorities = array_flip(['A', 'ESC', 'C', 'M', 'E', 'P']); usort($arr, function ($a, $b) use ($priorities) { [$categoryA, $versionA, $nameA] = explode(' - ', $a, 3); [$categoryB, $versionB, $nameB] = explode(' - ', $b, 3); return $priorities[$categoryA] <=> $priorities[$categoryB] // priorities as first criteria ?: version_compare($versionB, $versionA) // then descending versions as second criteria ?: $nameA <=> $nameB; // then compare names ascending }); var_export($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GVb3I
function name:  (null)
number of ops:  15
compiled vars:  !0 = $arr, !1 = $priorities
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   17     1        INIT_FCALL                                               'array_flip'
          2        SEND_VAL                                                 <array>
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
   19     5        INIT_FCALL                                               'usort'
          6        SEND_REF                                                 !0
          7        DECLARE_LAMBDA_FUNCTION                          ~5      [0]
          8        BIND_LEXICAL                                             ~5, !1
   26     9        SEND_VAL                                                 ~5
   19    10        DO_ICALL                                                 
   27    11        INIT_FCALL                                               'var_export'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
         14      > 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/GVb3I
function name:  {closure}
number of ops:  41
compiled vars:  !0 = $a, !1 = $b, !2 = $priorities, !3 = $categoryA, !4 = $versionA, !5 = $nameA, !6 = $categoryB, !7 = $versionB, !8 = $nameB
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        BIND_STATIC                                              !2
   20     3        INIT_FCALL                                               'explode'
          4        SEND_VAL                                                 '+-+'
          5        SEND_VAR                                                 !0
          6        SEND_VAL                                                 3
          7        DO_ICALL                                         $9      
          8        FETCH_LIST_R                                     $10     $9, 0
          9        ASSIGN                                                   !3, $10
         10        FETCH_LIST_R                                     $12     $9, 1
         11        ASSIGN                                                   !4, $12
         12        FETCH_LIST_R                                     $14     $9, 2
         13        ASSIGN                                                   !5, $14
         14        FREE                                                     $9
   21    15        INIT_FCALL                                               'explode'
         16        SEND_VAL                                                 '+-+'
         17        SEND_VAR                                                 !1
         18        SEND_VAL                                                 3
         19        DO_ICALL                                         $16     
         20        FETCH_LIST_R                                     $17     $16, 0
         21        ASSIGN                                                   !6, $17
         22        FETCH_LIST_R                                     $19     $16, 1
         23        ASSIGN                                                   !7, $19
         24        FETCH_LIST_R                                     $21     $16, 2
         25        ASSIGN                                                   !8, $21
         26        FREE                                                     $16
   23    27        FETCH_DIM_R                                      ~23     !2, !3
         28        FETCH_DIM_R                                      ~24     !2, !6
         29        SPACESHIP                                        ~25     ~23, ~24
         30        JMP_SET                                          ~26     ~25, ->36
   24    31        INIT_FCALL                                               'version_compare'
         32        SEND_VAR                                                 !7
         33        SEND_VAR                                                 !4
         34        DO_ICALL                                         $27     
         35        QM_ASSIGN                                        ~26     $27
         36        JMP_SET                                          ~28     ~26, ->39
   25    37        SPACESHIP                                        ~29     !5, !8
         38        QM_ASSIGN                                        ~28     ~29
         39      > RETURN                                                   ~28
   26    40*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
184.56 ms | 1446 KiB | 18 Q