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<?php $d1 = new DateTime('2012-05-31'); $d2 = new DateTime('2013-03-02'); $diff1 = $d1->diff ($d2); $diff2 = $d2->diff ($d1); echo "case 1: ".$diff1->m." months, case 2: ".$diff2->m." months";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RXqjW
function name:  (null)
number of ops:  24
compiled vars:  !0 = $d1, !1 = $d2, !2 = $diff1, !3 = $diff2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'DateTime'
          1        SEND_VAL_EX                                              '2012-05-31'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $4
    4     4        NEW                                              $7      'DateTime'
          5        SEND_VAL_EX                                              '2013-03-02'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $7
    6     8        INIT_METHOD_CALL                                         !0, 'diff'
          9        SEND_VAR_EX                                              !1
         10        DO_FCALL                                      0  $10     
         11        ASSIGN                                                   !2, $10
    8    12        INIT_METHOD_CALL                                         !1, 'diff'
         13        SEND_VAR_EX                                              !0
         14        DO_FCALL                                      0  $12     
         15        ASSIGN                                                   !3, $12
   10    16        FETCH_OBJ_R                                      ~14     !2, 'm'
         17        CONCAT                                           ~15     'case+1%3A+', ~14
         18        CONCAT                                           ~16     ~15, '+months%2C+case+2%3A+'
         19        FETCH_OBJ_R                                      ~17     !3, 'm'
         20        CONCAT                                           ~18     ~16, ~17
         21        CONCAT                                           ~19     ~18, '+months'
         22        ECHO                                                     ~19
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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