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<?php $datetime = new \DateTimeImmutable( '2770-01-00 15:00:00.000000', new \DateTimeZone('UTC') ); \var_dump($datetime->format('j') === '0'); \var_dump($datetime);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nA0p0
function name:  (null)
number of ops:  19
compiled vars:  !0 = $datetime
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $1      'DateTimeImmutable'
    4     1        SEND_VAL_EX                                                  '2770-01-00+15%3A00%3A00.000000'
    5     2        NEW                                                  $2      'DateTimeZone'
          3        SEND_VAL_EX                                                  'UTC'
          4        DO_FCALL                                          0          
          5        SEND_VAR_NO_REF_EX                                           $2
    3     6        DO_FCALL                                          0          
          7        ASSIGN                                                       !0, $1
    7     8        INIT_FCALL                                                   'var_dump'
          9        INIT_METHOD_CALL                                             !0, 'format'
         10        SEND_VAL_EX                                                  'j'
         11        DO_FCALL                                          0  $6      
         12        IS_IDENTICAL                                         ~7      $6, '0'
         13        SEND_VAL                                                     ~7
         14        DO_ICALL                                                     
    8    15        INIT_FCALL                                                   'var_dump'
         16        SEND_VAR                                                     !0
         17        DO_ICALL                                                     
         18      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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