3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = Array(0 => 1); $input = Array(0 => 2); $result = call_user_func_array("array_merge", $input); var_export($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Acj2a
function name:  (null)
number of ops:  11
compiled vars:  !0 = $input, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !0, <array>
    5     2        INIT_FCALL                                               'array_merge'
          3        SEND_ARRAY                                               !0
          4        CHECK_UNDEF_ARGS                                         
          5        DO_FCALL                                      0  $4      
          6        ASSIGN                                                   !1, $4
    7     7        INIT_FCALL                                               'var_export'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
184.59 ms | 1398 KiB | 17 Q