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<?php class Foo implements ArrayAccess { private $container = array(); public function offsetSet($offset, $value) { if (is_null($offset)) { $this->container[] = $value; } else { $this->container[$offset] = $value; } } public function offsetExists($offset) { return isset($this->container[$offset]); } public function offsetUnset($offset) { unset($this->container[$offset]); } public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } $object = new Foo(); $object->Id = 1; $object->Title = 'Test'; $records = array( $object, array( 'Id' => 2, 'Title' => 'John' ) ); print_r(array_column($records, 'Title'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M60W1
function name:  (null)
number of ops:  19
compiled vars:  !0 = $object, !1 = $records
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'foo'
   24     1        NEW                                              $2      'Foo'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
   25     4        ASSIGN_OBJ                                               !0, 'Id'
          5        OP_DATA                                                  1
   26     6        ASSIGN_OBJ                                               !0, 'Title'
          7        OP_DATA                                                  'Test'
   29     8        INIT_ARRAY                                       ~7      !0
          9        ADD_ARRAY_ELEMENT                                ~7      <array>
   28    10        ASSIGN                                                   !1, ~7
   36    11        INIT_FCALL                                               'print_r'
         12        INIT_FCALL                                               'array_column'
         13        SEND_VAR                                                 !1
         14        SEND_VAL                                                 'Title'
         15        DO_ICALL                                         $9      
         16        SEND_VAR                                                 $9
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Class Foo:
Function offsetset:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M60W1
function name:  offsetSet
number of ops:  12
compiled vars:  !0 = $offset, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    7     2        TYPE_CHECK                                    2          !0
          3      > JMPZ                                                     ~2, ->8
    8     4    >   FETCH_OBJ_W                                      $3      'container'
          5        ASSIGN_DIM                                               $3
          6        OP_DATA                                                  !1
          7      > JMP                                                      ->11
   10     8    >   FETCH_OBJ_W                                      $5      'container'
          9        ASSIGN_DIM                                               $5, !0
         10        OP_DATA                                                  !1
   12    11    > > RETURN                                                   null

End of function offsetset

Function offsetexists:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M60W1
function name:  offsetExists
number of ops:  5
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
   14     1        FETCH_OBJ_IS                                     ~1      'container'
          2        ISSET_ISEMPTY_DIM_OBJ                         0  ~2      ~1, !0
          3      > RETURN                                                   ~2
   15     4*     > RETURN                                                   null

End of function offsetexists

Function offsetunset:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M60W1
function name:  offsetUnset
number of ops:  4
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   RECV                                             !0      
   17     1        FETCH_OBJ_UNSET                                  $1      'container'
          2        UNSET_DIM                                                $1, !0
   18     3      > RETURN                                                   null

End of function offsetunset

Function offsetget:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M60W1
function name:  offsetGet
number of ops:  11
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   RECV                                             !0      
   20     1        FETCH_OBJ_IS                                     ~1      'container'
          2        ISSET_ISEMPTY_DIM_OBJ                         0          ~1, !0
          3      > JMPZ                                                     ~2, ->8
          4    >   FETCH_OBJ_R                                      ~3      'container'
          5        FETCH_DIM_R                                      ~4      ~3, !0
          6        QM_ASSIGN                                        ~5      ~4
          7      > JMP                                                      ->9
          8    >   QM_ASSIGN                                        ~5      null
          9    > > RETURN                                                   ~5
   21    10*     > RETURN                                                   null

End of function offsetget

End of class Foo.

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