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<?php $datetime1 = new DateTime('2014-08-26'); $datetime2 = new DateTime('2012-12-24'); $interval = $datetime1->diff($datetime2); $elapsed = $interval->format('%y years, %m months, %d days'); echo $elapsed;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rptao
function name:  (null)
number of ops:  18
compiled vars:  !0 = $datetime1, !1 = $datetime2, !2 = $interval, !3 = $elapsed
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $4      'DateTime'
          1        SEND_VAL_EX                                              '2014-08-26'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $4
    3     4        NEW                                              $7      'DateTime'
          5        SEND_VAL_EX                                              '2012-12-24'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $7
    4     8        INIT_METHOD_CALL                                         !0, 'diff'
          9        SEND_VAR_EX                                              !1
         10        DO_FCALL                                      0  $10     
         11        ASSIGN                                                   !2, $10
    5    12        INIT_METHOD_CALL                                         !2, 'format'
         13        SEND_VAL_EX                                              '%25y+years%2C+%25m+months%2C+%25d+days'
         14        DO_FCALL                                      0  $12     
         15        ASSIGN                                                   !3, $12
    6    16        ECHO                                                     !3
         17      > RETURN                                                   1

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