3v4l.org

run code in 300+ PHP versions simultaneously
<?php //Create an array $array=array('a','b','c','d','e','f','g'); //Loop over the array by reference foreach($array as &$a){ } unset($a); //Loop again over the array foreach($array as $a){ } //Print the array print_r($array);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 4
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 9
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
Branch analysis from position: 4
filename:       /in/qcZZW
function name:  (null)
number of ops:  14
compiled vars:  !0 = $array, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    6     1      > FE_RESET_RW                                      $3      !0, ->4
          2    > > FE_FETCH_RW                                              $3, !1, ->4
          3    > > JMP                                                      ->2
          4    >   FE_FREE                                                  $3
    8     5        UNSET_CV                                                 !1
   10     6      > FE_RESET_R                                       $4      !0, ->9
          7    > > FE_FETCH_R                                               $4, !1, ->9
          8    > > JMP                                                      ->7
          9    >   FE_FREE                                                  $4
   14    10        INIT_FCALL                                               'print_r'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
166.93 ms | 1395 KiB | 15 Q