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<?php $array = ['x', 'y', 'z']; foreach($array as &$element) { if ($element=='x') { $element = 'a'; } } function array_fetch(array $a) { $element = current($a); next($a); return $element; } var_dump($array);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 7
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 6
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/9o9XU
function name:  (null)
number of ops:  12
compiled vars:  !0 = $array, !1 = $element
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1      > FE_RESET_RW                                      $3      !0, ->7
          2    > > FE_FETCH_RW                                              $3, !1, ->7
    5     3    >   IS_EQUAL                                                 !1, 'x'
          4      > JMPZ                                                     ~4, ->6
    6     5    >   ASSIGN                                                   !1, 'a'
    4     6    > > JMP                                                      ->2
          7    >   FE_FREE                                                  $3
   16     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function array_fetch:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9o9XU
function name:  array_fetch
number of ops:  10
compiled vars:  !0 = $a, !1 = $element
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
   11     1        INIT_FCALL                                               'current'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4        ASSIGN                                                   !1, $2
   12     5        INIT_FCALL                                               'next'
          6        SEND_REF                                                 !0
          7        DO_ICALL                                                 
   13     8      > RETURN                                                   !1
   14     9*     > RETURN                                                   null

End of function array_fetch

Generated using Vulcan Logic Dumper, using php 8.0.0


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