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<?php $a = new DateTime(date('c')); $b = new DateTime(date('c', time() + 60*15));var_dump($b); echo $a->diff($b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sR1AR
function name:  (null)
number of ops:  26
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'DateTime'
          1        INIT_FCALL                                               'date'
          2        SEND_VAL                                                 'c'
          3        DO_ICALL                                         $3      
          4        SEND_VAR_NO_REF_EX                                       $3
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $2
    3     7        NEW                                              $6      'DateTime'
          8        INIT_FCALL                                               'date'
          9        SEND_VAL                                                 'c'
         10        INIT_FCALL                                               'time'
         11        DO_ICALL                                         $7      
         12        ADD                                              ~8      $7, 900
         13        SEND_VAL                                                 ~8
         14        DO_ICALL                                         $9      
         15        SEND_VAR_NO_REF_EX                                       $9
         16        DO_FCALL                                      0          
         17        ASSIGN                                                   !1, $6
         18        INIT_FCALL                                               'var_dump'
         19        SEND_VAR                                                 !1
         20        DO_ICALL                                                 
    5    21        INIT_METHOD_CALL                                         !0, 'diff'
         22        SEND_VAR_EX                                              !1
         23        DO_FCALL                                      0  $13     
         24        ECHO                                                     $13
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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