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<?php $startDate = date_create_from_format( 'Y-m-d H:i', '2021-03-28 08:45', new DateTimeZone("Europe/Madrid") ); $startMinusDays = (clone $startDate)->sub(new DateInterval('P3D')); $startMinusHours = (clone $startDate)->sub(new DateInterval('PT72H')); echo "Date: : ".$startDate->format('Y-m-d H:i:s'); echo "\n"; echo "Date - 3 Days : ".$startMinusDays->format('Y-m-d H:i:s'); echo "\n"; echo "Date - 72 Hours: ".$startMinusHours->format('Y-m-d H:i:s');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/j94ae
function name:  (null)
number of ops:  43
compiled vars:  !0 = $startDate, !1 = $startMinusDays, !2 = $startMinusHours
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date_create_from_format'
    4     1        SEND_VAL                                                 'Y-m-d+H%3Ai'
    5     2        SEND_VAL                                                 '2021-03-28+08%3A45'
    6     3        NEW                                              $3      'DateTimeZone'
          4        SEND_VAL_EX                                              'Europe%2FMadrid'
          5        DO_FCALL                                      0          
          6        SEND_VAR                                                 $3
    3     7        DO_ICALL                                         $5      
          8        ASSIGN                                                   !0, $5
    9     9        CLONE                                            ~7      !0
         10        INIT_METHOD_CALL                                         ~7, 'sub'
         11        NEW                                              $8      'DateInterval'
         12        SEND_VAL_EX                                              'P3D'
         13        DO_FCALL                                      0          
         14        SEND_VAR_NO_REF_EX                                       $8
         15        DO_FCALL                                      0  $10     
         16        ASSIGN                                                   !1, $10
   10    17        CLONE                                            ~12     !0
         18        INIT_METHOD_CALL                                         ~12, 'sub'
         19        NEW                                              $13     'DateInterval'
         20        SEND_VAL_EX                                              'PT72H'
         21        DO_FCALL                                      0          
         22        SEND_VAR_NO_REF_EX                                       $13
         23        DO_FCALL                                      0  $15     
         24        ASSIGN                                                   !2, $15
   12    25        INIT_METHOD_CALL                                         !0, 'format'
         26        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         27        DO_FCALL                                      0  $17     
         28        CONCAT                                           ~18     'Date%3A++++++++++%3A+', $17
         29        ECHO                                                     ~18
   13    30        ECHO                                                     '%0A'
   14    31        INIT_METHOD_CALL                                         !1, 'format'
         32        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         33        DO_FCALL                                      0  $19     
         34        CONCAT                                           ~20     'Date+-+3+Days++%3A+', $19
         35        ECHO                                                     ~20
   15    36        ECHO                                                     '%0A'
   16    37        INIT_METHOD_CALL                                         !2, 'format'
         38        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         39        DO_FCALL                                      0  $21     
         40        CONCAT                                           ~22     'Date+-+72+Hours%3A+', $21
         41        ECHO                                                     ~22
         42      > RETURN                                                   1

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