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<?php declare(strict_types=1); print_r(DateTimeImmutable::createFromFormat('Y-m', '2021-02')); print_r(DateTimeImmutable::createFromFormat('Y-m', '2021-02', new DateTimeZone('Europe/Moscow'))); print_r(DateTimeImmutable::createFromFormat('Y-m-d', '2021-02-01'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/T61fE
function name:  (null)
number of ops:  26
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_STATIC_METHOD_CALL                                  'DateTimeImmutable', 'createFromFormat'
          2        SEND_VAL                                                 'Y-m'
          3        SEND_VAL                                                 '2021-02'
          4        DO_FCALL                                      0  $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
    5     7        INIT_FCALL                                               'print_r'
          8        INIT_STATIC_METHOD_CALL                                  'DateTimeImmutable', 'createFromFormat'
          9        SEND_VAL                                                 'Y-m'
         10        SEND_VAL                                                 '2021-02'
         11        NEW                                              $2      'DateTimeZone'
         12        SEND_VAL_EX                                              'Europe%2FMoscow'
         13        DO_FCALL                                      0          
         14        SEND_VAR                                                 $2
         15        DO_FCALL                                      0  $4      
         16        SEND_VAR                                                 $4
         17        DO_ICALL                                                 
    6    18        INIT_FCALL                                               'print_r'
         19        INIT_STATIC_METHOD_CALL                                  'DateTimeImmutable', 'createFromFormat'
         20        SEND_VAL                                                 'Y-m-d'
         21        SEND_VAL                                                 '2021-02-01'
         22        DO_FCALL                                      0  $6      
         23        SEND_VAR                                                 $6
         24        DO_ICALL                                                 
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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