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<?php $date1 = new \DateTime('2012-05-20 11:20:13'); $date2 = new \DateTime('2012-06-20 12:20:13'); var_dump($date2->diff($date1)->format('%h'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EKhQB
function name:  (null)
number of ops:  18
compiled vars:  !0 = $date1, !1 = $date2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              '2012-05-20+11%3A20%3A13'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    4     4        NEW                                              $5      'DateTime'
          5        SEND_VAL_EX                                              '2012-06-20+12%3A20%3A13'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $5
    6     8        INIT_FCALL                                               'var_dump'
          9        INIT_METHOD_CALL                                         !1, 'diff'
         10        SEND_VAR_EX                                              !0
         11        DO_FCALL                                      0  $8      
         12        INIT_METHOD_CALL                                         $8, 'format'
         13        SEND_VAL_EX                                              '%25h'
         14        DO_FCALL                                      0  $9      
         15        SEND_VAR                                                 $9
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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