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<?php $dt = new DateTime("0000-00-00 00:00:00"); var_dump($dt->getTimestamp()); var_dump(date_timestamp_get($dt));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vgvTh
function name:  (null)
number of ops:  16
compiled vars:  !0 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '0000-00-00+00%3A00%3A00'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    3     4        INIT_FCALL                                               'var_dump'
          5        INIT_METHOD_CALL                                         !0, 'getTimestamp'
          6        DO_FCALL                                      0  $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
    4     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'date_timestamp_get'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                         $6      
         13        SEND_VAR                                                 $6
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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