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<?php $date = "2022-01-02 00:00:00"; $startOfYear = DateTime::createFromFormat('!Y+', $date); var_export( 1 + (int) ($startOfYear->diff(new DateTime($date))->days / 7) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aVYJ4
function name:  (null)
number of ops:  20
compiled vars:  !0 = $date, !1 = $startOfYear
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '2022-01-02+00%3A00%3A00'
    5     1        INIT_STATIC_METHOD_CALL                                      'DateTime', 'createFromFormat'
          2        SEND_VAL                                                     '%21Y%2B'
          3        SEND_VAR                                                     !0
          4        DO_FCALL                                          0  $3      
          5        ASSIGN                                                       !1, $3
    6     6        INIT_FCALL                                                   'var_export'
    7     7        INIT_METHOD_CALL                                             !1, 'diff'
          8        NEW                                                  $5      'DateTime'
          9        SEND_VAR_EX                                                  !0
         10        DO_FCALL                                          0          
         11        SEND_VAR_NO_REF_EX                                           $5
         12        DO_FCALL                                          0  $7      
         13        FETCH_OBJ_R                                          ~8      $7, 'days'
         14        DIV                                                  ~9      ~8, 7
         15        CAST                                              4  ~10     ~9
         16        ADD                                                  ~11     1, ~10
         17        SEND_VAL                                                     ~11
    6    18        DO_ICALL                                                     
    8    19      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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