3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array(1, 2, 3, 4); $arr2 = array("a" => array(1, 2, 3)); $arr3 = array(); print_r(array_merge_recursive($arr1, $arr2));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ddqmo
function name:  (null)
number of ops:  11
compiled vars:  !0 = $arr1, !1 = $arr2, !2 = $arr3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2        ASSIGN                                                   !2, <array>
    7     3        INIT_FCALL                                               'print_r'
          4        INIT_FCALL                                               'array_merge_recursive'
          5        SEND_VAR                                                 !0
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                         $6      
          8        SEND_VAR                                                 $6
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.59 ms | 1394 KiB | 17 Q