3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = ['0' => '1', '1' => '2', '2' => '3', '3' => '4']; $array2 = ['0' => '3', '1' => '1']; foreach ($array1 as $k => $v) { if (in_array($v, $array2)) $array1[$k] = 0; } print_r($array1);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 13
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 13
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 12
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/k9DJU
function name:  (null)
number of ops:  18
compiled vars:  !0 = $array1, !1 = $array2, !2 = $v, !3 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    6     2      > FE_RESET_R                                       $6      !0, ->13
          3    > > FE_FETCH_R                                       ~7      $6, !2, ->13
          4    >   ASSIGN                                                   !3, ~7
    7     5        INIT_FCALL                                               'in_array'
          6        SEND_VAR                                                 !2
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $9      
          9      > JMPZ                                                     $9, ->12
         10    >   ASSIGN_DIM                                               !0, !3
         11        OP_DATA                                                  0
    6    12    > > JMP                                                      ->3
         13    >   FE_FREE                                                  $6
   10    14        INIT_FCALL                                               'print_r'
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.44 ms | 1386 KiB | 17 Q