3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = array('test' => 'some ©', 'hello' => 'json' . pack("H*" ,'c32e') ); var_dump(json_encode($str)); //$str['test'] = htmlentities( (string) $str['test'], ENT_QUOTES, 'utf-8', FALSE); $str['test'] = utf8_encode( $str['test'] ); var_dump(json_encode($str));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GZrjR
function name:  (null)
number of ops:  27
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_ARRAY                                       ~1      'some+%C2%A9', 'test'
          1        INIT_FCALL                                               'pack'
          2        SEND_VAL                                                 'H%2A'
          3        SEND_VAL                                                 'c32e'
          4        DO_ICALL                                         $2      
          5        CONCAT                                           ~3      'json', $2
          6        ADD_ARRAY_ELEMENT                                ~1      ~3, 'hello'
          7        ASSIGN                                                   !0, ~1
    5     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'json_encode'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $5      
         12        SEND_VAR                                                 $5
         13        DO_ICALL                                                 
    8    14        INIT_FCALL                                               'utf8_encode'
         15        FETCH_DIM_R                                      ~8      !0, 'test'
         16        SEND_VAL                                                 ~8
         17        DO_ICALL                                         $9      
         18        ASSIGN_DIM                                               !0, 'test'
         19        OP_DATA                                                  $9
   10    20        INIT_FCALL                                               'var_dump'
         21        INIT_FCALL                                               'json_encode'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $10     
         24        SEND_VAR                                                 $10
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.17 ms | 1395 KiB | 21 Q