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<?php $date = new \DateTime('2021-11-10 00:00:00.000001', new \DateTimeZone('Europe/Rome')); // Oggetto $date2 = new \DateTime('2021-11-10 00:00:00.000006', new \DateTimeZone('Europe/Rome')); // Oggetto $result = null; //Uguale allo stesso secondo if($date->format('U') === $date2->format('U')) $result = ('0.' . ($date2)->format('u')) - ('0.' . ($date)->format('u')); else $hi = ''; //Altro codice php //Attenzione php non può usare i numeri in virgola fissa ma in virgola mobile e spesso perde precisione e anche la visualizzazione (impostazione ini precision) può modificare distorcendo il valore effettivamente memorizzato var_dump($result, $date2->modify(substr(str_replace('.', '0', sprintf('%00.6F', $result)) . '0', 0, 8) . ' usec')); echo substr(str_replace('.', '0', sprintf('%00.6F', $result)) . '0', 0, 8);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 25, Position 2 = 36
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 36
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lTgT5
function name:  (null)
number of ops:  77
compiled vars:  !0 = $date, !1 = $date2, !2 = $result, !3 = $hi
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'DateTime'
          1        SEND_VAL_EX                                              '2021-11-10+00%3A00%3A00.000001'
          2        NEW                                              $5      'DateTimeZone'
          3        SEND_VAL_EX                                              'Europe%2FRome'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $5
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $4
    4     8        NEW                                              $9      'DateTime'
          9        SEND_VAL_EX                                              '2021-11-10+00%3A00%3A00.000006'
         10        NEW                                              $10     'DateTimeZone'
         11        SEND_VAL_EX                                              'Europe%2FRome'
         12        DO_FCALL                                      0          
         13        SEND_VAR_NO_REF_EX                                       $10
         14        DO_FCALL                                      0          
         15        ASSIGN                                                   !1, $9
    5    16        ASSIGN                                                   !2, null
    7    17        INIT_METHOD_CALL                                         !0, 'format'
         18        SEND_VAL_EX                                              'U'
         19        DO_FCALL                                      0  $15     
         20        INIT_METHOD_CALL                                         !1, 'format'
         21        SEND_VAL_EX                                              'U'
         22        DO_FCALL                                      0  $16     
         23        IS_IDENTICAL                                             $15, $16
         24      > JMPZ                                                     ~17, ->36
    8    25    >   INIT_METHOD_CALL                                         !1, 'format'
         26        SEND_VAL_EX                                              'u'
         27        DO_FCALL                                      0  $18     
         28        CONCAT                                           ~19     '0.', $18
         29        INIT_METHOD_CALL                                         !0, 'format'
         30        SEND_VAL_EX                                              'u'
         31        DO_FCALL                                      0  $20     
         32        CONCAT                                           ~21     '0.', $20
         33        SUB                                              ~22     ~19, ~21
         34        ASSIGN                                                   !2, ~22
         35      > JMP                                                      ->37
   10    36    >   ASSIGN                                                   !3, ''
   15    37    >   INIT_FCALL                                               'var_dump'
         38        SEND_VAR                                                 !2
         39        INIT_METHOD_CALL                                         !1, 'modify'
         40        INIT_FCALL                                               'substr'
         41        INIT_FCALL                                               'str_replace'
         42        SEND_VAL                                                 '.'
         43        SEND_VAL                                                 '0'
         44        INIT_FCALL                                               'sprintf'
         45        SEND_VAL                                                 '%2500.6F'
         46        SEND_VAR                                                 !2
         47        DO_ICALL                                         $25     
         48        SEND_VAR                                                 $25
         49        DO_ICALL                                         $26     
         50        CONCAT                                           ~27     $26, '0'
         51        SEND_VAL                                                 ~27
         52        SEND_VAL                                                 0
         53        SEND_VAL                                                 8
         54        DO_ICALL                                         $28     
         55        CONCAT                                           ~29     $28, '+usec'
         56        SEND_VAL_EX                                              ~29
         57        DO_FCALL                                      0  $30     
         58        SEND_VAR                                                 $30
         59        DO_ICALL                                                 
   16    60        INIT_FCALL                                               'substr'
         61        INIT_FCALL                                               'str_replace'
         62        SEND_VAL                                                 '.'
         63        SEND_VAL                                                 '0'
         64        INIT_FCALL                                               'sprintf'
         65        SEND_VAL                                                 '%2500.6F'
         66        SEND_VAR                                                 !2
         67        DO_ICALL                                         $32     
         68        SEND_VAR                                                 $32
         69        DO_ICALL                                         $33     
         70        CONCAT                                           ~34     $33, '0'
         71        SEND_VAL                                                 ~34
         72        SEND_VAL                                                 0
         73        SEND_VAL                                                 8
         74        DO_ICALL                                         $35     
         75        ECHO                                                     $35
         76      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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