3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(mb_convert_encoding("str", "from_invalid", "UTF-8")); var_dump(mb_convert_encoding("str", "UTF-8", "to_invalid"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5cErI
function name:  (null)
number of ops:  17
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'mb_convert_encoding'
          2        SEND_VAL                                                     'str'
          3        SEND_VAL                                                     'from_invalid'
          4        SEND_VAL                                                     'UTF-8'
          5        DO_ICALL                                             $0      
          6        SEND_VAR                                                     $0
          7        DO_ICALL                                                     
    4     8        INIT_FCALL                                                   'var_dump'
          9        INIT_FCALL                                                   'mb_convert_encoding'
         10        SEND_VAL                                                     'str'
         11        SEND_VAL                                                     'UTF-8'
         12        SEND_VAL                                                     'to_invalid'
         13        DO_ICALL                                             $2      
         14        SEND_VAR                                                     $2
         15        DO_ICALL                                                     
         16      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
166.56 ms | 3426 KiB | 14 Q