3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $a[0] = 2; $a[1] = 2; echo json_encode($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HueEC
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN_DIM                                               !0, 0
          2        OP_DATA                                                  2
    6     3        ASSIGN_DIM                                               !0, 1
          4        OP_DATA                                                  2
    8     5        INIT_FCALL                                               'json_encode'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $4      
          8        ECHO                                                     $4
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.08 ms | 1394 KiB | 15 Q