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<?php $dates = array( '0001-12-31', '1901-12-13', '1901-12-14', '1985-12-17', '2012-1-19', '2038-1-19', '2038-1-20', '9999-1-21', ); echo "DateTime getTimestamp() format(\"U\")\n"; foreach ($dates as $date) { $dt = new \DateTime($date); var_dump($date, $dt->getTimestamp(), $dt->format("U")); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 19
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 19
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/1Wsus
function name:  (null)
number of ops:  21
compiled vars:  !0 = $dates, !1 = $date, !2 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   15     1        ECHO                                                     'DateTime++++getTimestamp%28%29+++format%28%22U%22%29%0A'
   17     2      > FE_RESET_R                                       $4      !0, ->19
          3    > > FE_FETCH_R                                               $4, !1, ->19
   18     4    >   NEW                                              $5      'DateTime'
          5        SEND_VAR_EX                                              !1
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !2, $5
   19     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        INIT_METHOD_CALL                                         !2, 'getTimestamp'
         11        DO_FCALL                                      0  $8      
         12        SEND_VAR                                                 $8
         13        INIT_METHOD_CALL                                         !2, 'format'
         14        SEND_VAL_EX                                              'U'
         15        DO_FCALL                                      0  $9      
         16        SEND_VAR                                                 $9
         17        DO_ICALL                                                 
   17    18      > JMP                                                      ->3
         19    >   FE_FREE                                                  $4
   20    20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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