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<?php function createDtFromTimestamp(float $timestamp): \DateTime { $timestamp = round($timestamp * 1e6) * 1e-6; $sec = (int) sprintf('%0.0f', floor($timestamp)); $usec = (int) sprintf('%0.0f', min(max(($timestamp - $sec) * 1e6, 0), 999999)); $datetime = new \DateTime(date('Y-m-d H:i:s.', $sec) . sprintf('%06d', $usec)); return $datetime; } function dumpDt(\DateTime $dt) { echo $dt->format('Y-m-d H:i:s.u') . ' ' . $dt->getTimestamp() . ' ' . $dt->format('u') . "\n"; } foreach ([0.4, 0, -0.4, -1, -1.4] as $ts) { $dateExpected = createDtFromTimestamp($ts); dumpDt($dateExpected); $date = new DateTime('@' . $ts); dumpDt($date); echo "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 1, Position 2 = 19
Branch analysis from position: 1
2 jumps found. (Code = 78) Position 1 = 2, Position 2 = 19
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 1
Branch analysis from position: 1
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/CjJLf
function name:  (null)
number of ops:  21
compiled vars:  !0 = $ts, !1 = $dateExpected, !2 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E > > FE_RESET_R                                       $3      <array>, ->19
          1    > > FE_FETCH_R                                               $3, !0, ->19
   18     2    >   INIT_FCALL                                               'createdtfromtimestamp'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $4      
          5        ASSIGN                                                   !1, $4
   19     6        INIT_FCALL                                               'dumpdt'
          7        SEND_VAR                                                 !1
          8        DO_FCALL                                      0          
   20     9        NEW                                              $7      'DateTime'
         10        CONCAT                                           ~8      '%40', !0
         11        SEND_VAL_EX                                              ~8
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !2, $7
   21    14        INIT_FCALL                                               'dumpdt'
         15        SEND_VAR                                                 !2
         16        DO_FCALL                                      0          
   22    17        ECHO                                                     '%0A'
   17    18      > JMP                                                      ->1
         19    >   FE_FREE                                                  $3
   23    20      > RETURN                                                   1

Function createdtfromtimestamp:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CjJLf
function name:  createDtFromTimestamp
number of ops:  49
compiled vars:  !0 = $timestamp, !1 = $sec, !2 = $usec, !3 = $datetime
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        INIT_FCALL                                               'round'
          2        MUL                                              ~4      !0, 1.0e+6
          3        SEND_VAL                                                 ~4
          4        DO_ICALL                                         $5      
          5        MUL                                              ~6      $5, 1.0e-6
          6        ASSIGN                                                   !0, ~6
    6     7        INIT_FCALL                                               'sprintf'
          8        SEND_VAL                                                 '%250.0f'
          9        INIT_FCALL                                               'floor'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $8      
         12        SEND_VAR                                                 $8
         13        DO_ICALL                                         $9      
         14        CAST                                          4  ~10     $9
         15        ASSIGN                                                   !1, ~10
    7    16        INIT_FCALL                                               'sprintf'
         17        SEND_VAL                                                 '%250.0f'
         18        INIT_FCALL                                               'min'
         19        INIT_FCALL                                               'max'
         20        SUB                                              ~12     !0, !1
         21        MUL                                              ~13     ~12, 1.0e+6
         22        SEND_VAL                                                 ~13
         23        SEND_VAL                                                 0
         24        DO_ICALL                                         $14     
         25        SEND_VAR                                                 $14
         26        SEND_VAL                                                 999999
         27        DO_ICALL                                         $15     
         28        SEND_VAR                                                 $15
         29        DO_ICALL                                         $16     
         30        CAST                                          4  ~17     $16
         31        ASSIGN                                                   !2, ~17
    9    32        NEW                                              $19     'DateTime'
         33        INIT_FCALL                                               'date'
         34        SEND_VAL                                                 'Y-m-d+H%3Ai%3As.'
         35        SEND_VAR                                                 !1
         36        DO_ICALL                                         $20     
         37        INIT_FCALL                                               'sprintf'
         38        SEND_VAL                                                 '%2506d'
         39        SEND_VAR                                                 !2
         40        DO_ICALL                                         $21     
         41        CONCAT                                           ~22     $20, $21
         42        SEND_VAL_EX                                              ~22
         43        DO_FCALL                                      0          
         44        ASSIGN                                                   !3, $19
   10    45        VERIFY_RETURN_TYPE                                       !3
         46      > RETURN                                                   !3
   11    47*       VERIFY_RETURN_TYPE                                       
         48*     > RETURN                                                   null

End of function createdtfromtimestamp

Function dumpdt:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CjJLf
function name:  dumpDt
number of ops:  16
compiled vars:  !0 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
   14     1        INIT_METHOD_CALL                                         !0, 'format'
          2        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As.u'
          3        DO_FCALL                                      0  $1      
          4        CONCAT                                           ~2      $1, '+'
          5        INIT_METHOD_CALL                                         !0, 'getTimestamp'
          6        DO_FCALL                                      0  $3      
          7        CONCAT                                           ~4      ~2, $3
          8        CONCAT                                           ~5      ~4, '+'
          9        INIT_METHOD_CALL                                         !0, 'format'
         10        SEND_VAL_EX                                              'u'
         11        DO_FCALL                                      0  $6      
         12        CONCAT                                           ~7      ~5, $6
         13        CONCAT                                           ~8      ~7, '%0A'
         14        ECHO                                                     ~8
   15    15      > RETURN                                                   null

End of function dumpdt

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
225.8 ms | 1016 KiB | 22 Q