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<?php $date = new DateTime(); $test['test'] = $date->format('Y-m'); var_dump($test);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BcSul
function name:  (null)
number of ops:  12
compiled vars:  !0 = $date, !1 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'DateTime'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    5     3        INIT_METHOD_CALL                                         !0, 'format'
          4        SEND_VAL_EX                                              'Y-m'
          5        DO_FCALL                                      0  $6      
          6        ASSIGN_DIM                                               !1, 'test'
          7        OP_DATA                                                  $6
    7     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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