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<?php $tz = new DateTimeZone('America/Los_Angeles'); $now = new DateTime('now', $tz); $twoDaysAgo1 = new DateTime('-2 days', $tz); $twoDaysAgo1_1 = $now->sub(new DateInterval('P2D')); $twoDaysAgo2 = new DateTime('-172800 seconds', $tz); $twoDaysAgo3 = new DateTime('@' . ($now->getTimestamp() - 172800), $tz); var_dump($twoDaysAgo1->getTimestamp()); var_dump($twoDaysAgo1_1->getTimestamp()); var_dump($twoDaysAgo2->getTimestamp()); var_dump($twoDaysAgo3->getTimestamp());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lWQH7
function name:  (null)
number of ops:  56
compiled vars:  !0 = $tz, !1 = $now, !2 = $twoDaysAgo1, !3 = $twoDaysAgo1_1, !4 = $twoDaysAgo2, !5 = $twoDaysAgo3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $6      'DateTimeZone'
          1        SEND_VAL_EX                                              'America%2FLos_Angeles'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $6
    3     4        NEW                                              $9      'DateTime'
          5        SEND_VAL_EX                                              'now'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !1, $9
    4     9        NEW                                              $12     'DateTime'
         10        SEND_VAL_EX                                              '-2+days'
         11        SEND_VAR_EX                                              !0
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !2, $12
    5    14        INIT_METHOD_CALL                                         !1, 'sub'
         15        NEW                                              $15     'DateInterval'
         16        SEND_VAL_EX                                              'P2D'
         17        DO_FCALL                                      0          
         18        SEND_VAR_NO_REF_EX                                       $15
         19        DO_FCALL                                      0  $17     
         20        ASSIGN                                                   !3, $17
    6    21        NEW                                              $19     'DateTime'
         22        SEND_VAL_EX                                              '-172800+seconds'
         23        SEND_VAR_EX                                              !0
         24        DO_FCALL                                      0          
         25        ASSIGN                                                   !4, $19
    7    26        NEW                                              $22     'DateTime'
         27        INIT_METHOD_CALL                                         !1, 'getTimestamp'
         28        DO_FCALL                                      0  $23     
         29        SUB                                              ~24     $23, 172800
         30        CONCAT                                           ~25     '%40', ~24
         31        SEND_VAL_EX                                              ~25
         32        SEND_VAR_EX                                              !0
         33        DO_FCALL                                      0          
         34        ASSIGN                                                   !5, $22
    9    35        INIT_FCALL                                               'var_dump'
         36        INIT_METHOD_CALL                                         !2, 'getTimestamp'
         37        DO_FCALL                                      0  $28     
         38        SEND_VAR                                                 $28
         39        DO_ICALL                                                 
   10    40        INIT_FCALL                                               'var_dump'
         41        INIT_METHOD_CALL                                         !3, 'getTimestamp'
         42        DO_FCALL                                      0  $30     
         43        SEND_VAR                                                 $30
         44        DO_ICALL                                                 
   11    45        INIT_FCALL                                               'var_dump'
         46        INIT_METHOD_CALL                                         !4, 'getTimestamp'
         47        DO_FCALL                                      0  $32     
         48        SEND_VAR                                                 $32
         49        DO_ICALL                                                 
   12    50        INIT_FCALL                                               'var_dump'
         51        INIT_METHOD_CALL                                         !5, 'getTimestamp'
         52        DO_FCALL                                      0  $34     
         53        SEND_VAR                                                 $34
         54        DO_ICALL                                                 
         55      > RETURN                                                   1

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