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<?php function ageMonths($dob) { //new date time $dob must be Y-m-d format $dobObject = DateTime::createFromFormat('Y-m-d',$dob); //current date $nowObject = new DateTime('2014-03-11'); //difference $diff = $nowObject->diff($dobObject); return $diff->y.'.'.$diff->m; } $date = new DateTime('2014-03-11'); while ($date > new DateTime('2014-01-01')) { $date->sub(new DateInterval('P1D')); var_dump(ageMonths($date->format('Y-m-d'))); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
2 jumps found. (Code = 44) Position 1 = 25, Position 2 = 5
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 25, Position 2 = 5
Branch analysis from position: 25
Branch analysis from position: 5
filename:       /in/1m8RV
function name:  (null)
number of ops:  26
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2014-03-11'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   18     4      > JMP                                                      ->20
   19     5    >   INIT_METHOD_CALL                                         !0, 'sub'
          6        NEW                                              $4      'DateInterval'
          7        SEND_VAL_EX                                              'P1D'
          8        DO_FCALL                                      0          
          9        SEND_VAR_NO_REF_EX                                       $4
         10        DO_FCALL                                      0          
   20    11        INIT_FCALL                                               'var_dump'
         12        INIT_FCALL                                               'agemonths'
         13        INIT_METHOD_CALL                                         !0, 'format'
         14        SEND_VAL_EX                                              'Y-m-d'
         15        DO_FCALL                                      0  $7      
         16        SEND_VAR                                                 $7
         17        DO_FCALL                                      0  $8      
         18        SEND_VAR                                                 $8
         19        DO_ICALL                                                 
   18    20    >   NEW                                              $10     'DateTime'
         21        SEND_VAL_EX                                              '2014-01-01'
         22        DO_FCALL                                      0          
         23        IS_SMALLER                                               $10, !0
         24      > JMPNZ                                                    ~12, ->5
   21    25    > > RETURN                                                   1

Function agemonths:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1m8RV
function name:  ageMonths
number of ops:  20
compiled vars:  !0 = $dob, !1 = $dobObject, !2 = $nowObject, !3 = $diff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    6     1        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          2        SEND_VAL                                                 'Y-m-d'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $4      
          5        ASSIGN                                                   !1, $4
    9     6        NEW                                              $6      'DateTime'
          7        SEND_VAL_EX                                              '2014-03-11'
          8        DO_FCALL                                      0          
          9        ASSIGN                                                   !2, $6
   12    10        INIT_METHOD_CALL                                         !2, 'diff'
         11        SEND_VAR_EX                                              !1
         12        DO_FCALL                                      0  $9      
         13        ASSIGN                                                   !3, $9
   13    14        FETCH_OBJ_R                                      ~11     !3, 'y'
         15        CONCAT                                           ~12     ~11, '.'
         16        FETCH_OBJ_R                                      ~13     !3, 'm'
         17        CONCAT                                           ~14     ~12, ~13
         18      > RETURN                                                   ~14
   14    19*     > RETURN                                                   null

End of function agemonths

Generated using Vulcan Logic Dumper, using php 8.0.0


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