3v4l.org

run code in 500+ PHP versions simultaneously
<?php $chars = array_map('chr', range(32, 126)); $diff = array_filter( $chars, function ($c) { return $c !== mb_convert_encoding($c, 'UTF-8', 'SJIS'); } ); var_dump($diff);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eLeHE
function name:  (null)
number of ops:  19
compiled vars:  !0 = $chars, !1 = $diff
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'array_map'
          1        SEND_VAL                                                     'chr'
          2        INIT_FCALL                                                   'range'
          3        SEND_VAL                                                     32
          4        SEND_VAL                                                     126
          5        DO_ICALL                                             $2      
          6        SEND_VAR                                                     $2
          7        DO_ICALL                                             $3      
          8        ASSIGN                                                       !0, $3
    4     9        INIT_FCALL                                                   'array_filter'
    5    10        SEND_VAR                                                     !0
    6    11        DECLARE_LAMBDA_FUNCTION                              ~5      [0]
         12        SEND_VAL                                                     ~5
    4    13        DO_ICALL                                             $6      
         14        ASSIGN                                                       !1, $6
   10    15        INIT_FCALL                                                   'var_dump'
         16        SEND_VAR                                                     !1
         17        DO_ICALL                                                     
         18      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eLeHE
function name:  {closure:/in/eLeHE:6}
number of ops:  9
compiled vars:  !0 = $c
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   RECV                                                 !0      
          1        INIT_FCALL                                                   'mb_convert_encoding'
          2        SEND_VAR                                                     !0
          3        SEND_VAL                                                     'UTF-8'
          4        SEND_VAL                                                     'SJIS'
          5        DO_ICALL                                             $1      
          6        IS_NOT_IDENTICAL                                     ~2      !0, $1
          7      > RETURN                                                       ~2
          8*     > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
126.37 ms | 483 KiB | 12 Q