3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( array('cid' => 123, 'detail' => array( 'sourceid' => '789', 'name' => 'haha', )), 'bduss' => 'abc' ); $tmp = current($data)['detail']; $data[0]['detail'] = json_encode($tmp); var_dump($data);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/stScc
function name:  (null)
number of ops:  16
compiled vars:  !0 = $data, !1 = $tmp
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   12     1        INIT_FCALL                                               'current'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        FETCH_DIM_R                                      ~4      $3, 'detail'
          5        ASSIGN                                                   !1, ~4
   14     6        INIT_FCALL                                               'json_encode'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $8      
          9        FETCH_DIM_W                                      $6      !0, 0
         10        ASSIGN_DIM                                               $6, 'detail'
         11        OP_DATA                                                  $8
   16    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
170.07 ms | 1398 KiB | 20 Q