3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); $abc = "123"; $def = $abc; $array[] = $abc; var_dump(in_array($def, $array));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9F93V
function name:  (null)
number of ops:  13
compiled vars:  !0 = $array, !1 = $abc, !2 = $def
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, '123'
    4     2        ASSIGN                                                   !2, !1
    5     3        ASSIGN_DIM                                               !0
          4        OP_DATA                                                  !1
    6     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'in_array'
          7        SEND_VAR                                                 !2
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $7      
         10        SEND_VAR                                                 $7
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.53 ms | 1394 KiB | 17 Q