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<?php $f = get_defined_functions(); echo implode("\n",preg_filter('/^(is_)/','\1',$f['internal']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1fYT4
function name:  (null)
number of ops:  15
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'get_defined_functions'
          1        DO_ICALL                                         $1      
          2        ASSIGN                                                   !0, $1
    3     3        INIT_FCALL                                               'implode'
          4        SEND_VAL                                                 '%0A'
          5        INIT_FCALL                                               'preg_filter'
          6        SEND_VAL                                                 '%2F%5E%28is_%29%2F'
          7        SEND_VAL                                                 '%5C1'
          8        FETCH_DIM_R                                      ~3      !0, 'internal'
          9        SEND_VAL                                                 ~3
         10        DO_ICALL                                         $4      
         11        SEND_VAR                                                 $4
         12        DO_ICALL                                         $5      
         13        ECHO                                                     $5
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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