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<?php $input = new \DateTime('2017-07-17'); $firstDayOfMonth = new \DateTime($input->format('Y-m-01')); $order = (int)($input->format('n') / 7) + 1; var_dump($input->format('l')); var_dump($input->format('n') / 7 + 1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Y8l4f
function name:  (null)
number of ops:  33
compiled vars:  !0 = $input, !1 = $firstDayOfMonth, !2 = $order
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTime'
          1        SEND_VAL_EX                                              '2017-07-17'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    4     4        NEW                                              $6      'DateTime'
          5        INIT_METHOD_CALL                                         !0, 'format'
          6        SEND_VAL_EX                                              'Y-m-01'
          7        DO_FCALL                                      0  $7      
          8        SEND_VAR_NO_REF_EX                                       $7
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $6
    5    11        INIT_METHOD_CALL                                         !0, 'format'
         12        SEND_VAL_EX                                              'n'
         13        DO_FCALL                                      0  $10     
         14        DIV                                              ~11     $10, 7
         15        CAST                                          4  ~12     ~11
         16        ADD                                              ~13     ~12, 1
         17        ASSIGN                                                   !2, ~13
    6    18        INIT_FCALL                                               'var_dump'
         19        INIT_METHOD_CALL                                         !0, 'format'
         20        SEND_VAL_EX                                              'l'
         21        DO_FCALL                                      0  $15     
         22        SEND_VAR                                                 $15
         23        DO_ICALL                                                 
    7    24        INIT_FCALL                                               'var_dump'
         25        INIT_METHOD_CALL                                         !0, 'format'
         26        SEND_VAL_EX                                              'n'
         27        DO_FCALL                                      0  $17     
         28        DIV                                              ~18     $17, 7
         29        ADD                                              ~19     ~18, 1
         30        SEND_VAL                                                 ~19
         31        DO_ICALL                                                 
         32      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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