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<?php echo (new \DateTimeImmutable($input->getOption('-7 days')))->format('Y-m-d');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/F9GIr
function name:  (null)
number of ops:  11
compiled vars:  !0 = $input
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTimeImmutable'
          1        INIT_METHOD_CALL                                         !0, 'getOption'
          2        SEND_VAL_EX                                              '-7+days'
          3        DO_FCALL                                      0  $2      
          4        SEND_VAR_NO_REF_EX                                       $2
          5        DO_FCALL                                      0          
          6        INIT_METHOD_CALL                                         $1, 'format'
          7        SEND_VAL_EX                                              'Y-m-d'
          8        DO_FCALL                                      0  $4      
          9        ECHO                                                     $4
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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