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<?php $dt = new DateTime(null, new DateTimeZone('UTC')); var_dump(constant(sprintf('%s::ISO8601', get_class($dt))));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0Jb32
function name:  (null)
number of ops:  20
compiled vars:  !0 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              null
          2        NEW                                              $2      'DateTimeZone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $2
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $1
    5     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'constant'
         10        INIT_FCALL                                               'sprintf'
         11        SEND_VAL                                                 '%25s%3A%3AISO8601'
         12        GET_CLASS                                        ~6      !0
         13        SEND_VAL                                                 ~6
         14        DO_ICALL                                         $7      
         15        SEND_VAR                                                 $7
         16        DO_ICALL                                         $8      
         17        SEND_VAR                                                 $8
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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