3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = get_defined_functions(); echo implode("\n",preg_fiter('/^(is_)/','\1',$f['internal']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YDKHH
function name:  (null)
number of ops:  16
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_BY_NAME                                       'preg_fiter'
          6        SEND_VAL_EX                                              '%2F%5E%28is_%29%2F'
          7        SEND_VAL_EX                                              '%5C1'
          8        CHECK_FUNC_ARG                                           
          9        FETCH_DIM_FUNC_ARG                               $3      !0, 'internal'
         10        SEND_FUNC_ARG                                            $3
         11        DO_FCALL                                      0  $4      
         12        SEND_VAR                                                 $4
         13        DO_ICALL                                         $5      
         14        ECHO                                                     $5
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.78 ms | 1394 KiB | 17 Q