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<?php $tz = new DateTimeZone('America/Los_Angeles'); $now = new DateTime('03 Nov 2014'); $twoDaysAgo1 = $now->sub(new DateInterval('P2D')); $twoDaysAgo2 = $now->sub(new DateInterval('PT172800S')); $twoDaysAgo3 = new DateTime('@' . ($now->getTimestamp() - 172800)); var_dump($twoDaysAgo1->getTimestamp()); var_dump($twoDaysAgo2->getTimestamp()); var_dump($twoDaysAgo3->getTimestamp());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6cSo8
function name:  (null)
number of ops:  46
compiled vars:  !0 = $tz, !1 = $now, !2 = $twoDaysAgo1, !3 = $twoDaysAgo2, !4 = $twoDaysAgo3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $5      'DateTimeZone'
          1        SEND_VAL_EX                                              'America%2FLos_Angeles'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $5
    3     4        NEW                                              $8      'DateTime'
          5        SEND_VAL_EX                                              '03+Nov+2014'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $8
    4     8        INIT_METHOD_CALL                                         !1, 'sub'
          9        NEW                                              $11     'DateInterval'
         10        SEND_VAL_EX                                              'P2D'
         11        DO_FCALL                                      0          
         12        SEND_VAR_NO_REF_EX                                       $11
         13        DO_FCALL                                      0  $13     
         14        ASSIGN                                                   !2, $13
    5    15        INIT_METHOD_CALL                                         !1, 'sub'
         16        NEW                                              $15     'DateInterval'
         17        SEND_VAL_EX                                              'PT172800S'
         18        DO_FCALL                                      0          
         19        SEND_VAR_NO_REF_EX                                       $15
         20        DO_FCALL                                      0  $17     
         21        ASSIGN                                                   !3, $17
    6    22        NEW                                              $19     'DateTime'
         23        INIT_METHOD_CALL                                         !1, 'getTimestamp'
         24        DO_FCALL                                      0  $20     
         25        SUB                                              ~21     $20, 172800
         26        CONCAT                                           ~22     '%40', ~21
         27        SEND_VAL_EX                                              ~22
         28        DO_FCALL                                      0          
         29        ASSIGN                                                   !4, $19
    8    30        INIT_FCALL                                               'var_dump'
         31        INIT_METHOD_CALL                                         !2, 'getTimestamp'
         32        DO_FCALL                                      0  $25     
         33        SEND_VAR                                                 $25
         34        DO_ICALL                                                 
    9    35        INIT_FCALL                                               'var_dump'
         36        INIT_METHOD_CALL                                         !3, 'getTimestamp'
         37        DO_FCALL                                      0  $27     
         38        SEND_VAR                                                 $27
         39        DO_ICALL                                                 
   10    40        INIT_FCALL                                               'var_dump'
         41        INIT_METHOD_CALL                                         !4, 'getTimestamp'
         42        DO_FCALL                                      0  $29     
         43        SEND_VAR                                                 $29
         44        DO_ICALL                                                 
         45      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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