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

Generated using Vulcan Logic Dumper, using php 8.0.0


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