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<?php $date = new DateTime('2018-12-31'); echo $date->format('Y/W');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3rKqK
function name:  (null)
number of ops:  9
compiled vars:  !0 = $date
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   NEW                                              $1      :-5
         1        SEND_VAL_EX                                              '2018-12-31'
         2        DO_FCALL                                      0          
         3        ASSIGN                                                   !0, $1
   4     4        INIT_METHOD_CALL                                         !0, 'format'
         5        SEND_VAL_EX                                              'Y%2FW'
         6        DO_FCALL                                      0  $4      
         7        ECHO                                                     $4
         8      > RETURN                                                   1

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